{"elementGlobalId":103944,"circumscripConfidence":{"id":1,"circumscripConfidenceDescEn":"1 - Strong","circumscripConfidenceDescEs":"1 - Fuerte","circumscripConfidenceDescFr":"1 – Forte"},"classificationLevel":{"id":7,"classificationLevelNameEn":"Species","classificationLevelNameEs":"Especies","classificationLevelNameFr":"Espèce"},"classificationStatus":{"id":1,"classificationStatusDescEn":"Standard","classificationStatusDescEs":"Estándar","classificationStatusDescFr":"Standard"},"iucn":{"id":11,"iucnDescEn":"Least concern","iucnDescEs":"Menos preocupante","iucnDescFr":"Moins préoccupante","iucnCode":"LC"},"nameCategory":{"id":1,"nameCategoryDescEn":"Vertebrate Animal","nameCategoryDescEs":"Animal vertebrado","nameCategoryDescFr":"Animal vertébré","nameTypeCd":"A","nameTypeDesc":"Zoological"},"rankMethodUsed":{"id":7,"rankMethodUsedDescEn":" Rank calculation - Biotics v2","rankMethodUsedDescEs":null,"rankMethodUsedDescFr":null,"rankMethodUsedExternalDescEn":"Ranked by calculator","rankMethodUsedExternalDescEs":null,"rankMethodUsedExternalDescFr":null},"formattedScientificName":"<i>Ondatra zibethicus</i>","scientificName":"Ondatra zibethicus","scientificNameAuthor":"(Linnaeus, 1766)","primaryCommonName":"Common Muskrat","relatedItisNames":"<i>Ondatra zibethicus</i> (Linnaeus, 1766) (TSN 180318)","uniqueId":"ELEMENT_GLOBAL.2.103944","elcode":"AMAFF15010","conceptRefFullCitation":"Wilson, D. E., and D. M. Reeder (editors). 1993. Mammal species of the world: a taxonomic and geographic reference. Second edition. Smithsonian Institution Press, Washington, DC. xviii + 1206 pp. Available online at: http://www.nmnh.si.edu/msw/.","conceptName":"<i>Ondatra zibethicus</i>","taxonomicComments":null,"roundedGRank":"G5","conservationStatusFactorsEditionDate":"2024-08-18","conservationStatusFactorsEditionAuthors":"Young, B.","primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":162784,"classifConfidence":null,"nation":{"id":38,"nameEn":"Canada","nameEs":"Canadá","nameFr":"Canada","isoCode":"CA","region":"Canada"},"roundedNRank":"N5","elementSubnationals":[{"elementSubnationalId":373021,"subnation":{"id":62,"nameEn":"Manitoba","nameEs":"Manitoba","nameFr":"Manitoba","subnationCode":"MB","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":373021,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":291125,"subnation":{"id":91,"nameEn":"Labrador","nameEs":"Labrador","nameFr":"Labrador","subnationCode":"LB","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":291125,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":282775,"subnation":{"id":69,"nameEn":"Quebec","nameEs":"Quebec","nameFr":"Québec","subnationCode":"QC","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":282775,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":274089,"subnation":{"id":67,"nameEn":"Ontario","nameEs":"Ontario","nameFr":"Ontario","subnationCode":"ON","dnationId":38},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":274089,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":280441,"subnation":{"id":65,"nameEn":"Northwest Territories","nameEs":"Territorios del Noroeste","nameFr":"Territoires du Nord-Ouest","subnationCode":"NT","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":280441,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":274088,"subnation":{"id":68,"nameEn":"Prince Edward Island","nameEs":"Isla del Príncipe Eduardo","nameFr":"Île-du-Prince-Édouard","subnationCode":"PE","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":274088,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":353202,"subnation":{"id":93,"nameEn":"Yukon Territory","nameEs":"Territorio del Yukón","nameFr":"Territoire du Yukon","subnationCode":"YT","dnationId":38},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4S5","speciesSubnational":{"elementSubnationalId":353202,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":327702,"subnation":{"id":70,"nameEn":"Saskatchewan","nameEs":"Saskatchewan","nameFr":"Saskatchewan","subnationCode":"SK","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":327702,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":367850,"subnation":{"id":60,"nameEn":"Alberta","nameEs":"Alberta","nameFr":"Alberta","subnationCode":"AB","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":1,"dataSensitiveDescEn":"Yes","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"Y"},"dataSensitiveCategory":{"id":2,"dataSensitiveCategoryDescEn":"Proprietary Data","dataSensitiveCategoryDescEs":null,"dataSensitiveCategoryDescFr":null,"nsStandardInd":true},"srank":"S5","speciesSubnational":{"elementSubnationalId":367850,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":284437,"subnation":{"id":227,"nameEn":"Nunavut","nameEs":"Nunavut","nameFr":"Nunavut","subnationCode":"NU","dnationId":38},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S3S5","speciesSubnational":{"elementSubnationalId":284437,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":319952,"subnation":{"id":63,"nameEn":"New Brunswick","nameEs":"New Brunswick","nameFr":"Nouveau-Brunswick","subnationCode":"NB","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":319952,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":357648,"subnation":{"id":66,"nameEn":"Nova Scotia","nameEs":"Nueva Escocia","nameFr":"Nouvelle-Écosse","subnationCode":"NS","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":357648,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":343581,"subnation":{"id":61,"nameEn":"British Columbia","nameEs":"Columbia Británica","nameFr":"Colombie-Britannique","subnationCode":"BC","dnationId":38},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":343581,"hybrid":false,"exotic":true,"native":true}},{"elementSubnationalId":374824,"subnation":{"id":92,"nameEn":"Island of Newfoundland","nameEs":"Isla de Terranova","nameFr":"Île de Terre­Neuve","subnationCode":"NF","dnationId":38},"roundedSRank":"S3","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S3S4","speciesSubnational":{"elementSubnationalId":374824,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":2024,"nrank":"N5","speciesNational":{"elementNationalId":162784,"exotic":false,"native":true}},{"elementNationalId":166873,"classifConfidence":null,"nation":{"id":225,"nameEn":"United States","nameEs":"Estados Unidos","nameFr":"États-Unis","isoCode":"US","region":"United States"},"roundedNRank":"N5","elementSubnationals":[{"elementSubnationalId":353725,"subnation":{"id":22,"nameEn":"Kentucky","nameEs":"Kentucky","nameFr":"Kentucky","subnationCode":"KY","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":353725,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":329123,"subnation":{"id":44,"nameEn":"Oregon","nameEs":"Oregón","nameFr":"Oregon","subnationCode":"OR","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":329123,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":389150,"subnation":{"id":56,"nameEn":"Washington","nameEs":"Washington","nameFr":"Washington","subnationCode":"WA","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":389150,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":341400,"subnation":{"id":39,"nameEn":"New Mexico","nameEs":"Nuevo México","nameFr":"Nouveau-Mexique","subnationCode":"NM","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":341400,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":336597,"subnation":{"id":25,"nameEn":"Maryland","nameEs":"Maryland","nameFr":"Maryland","subnationCode":"MD","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":336597,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":358528,"subnation":{"id":52,"nameEn":"Utah","nameEs":"Utah","nameFr":"Utah","subnationCode":"UT","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4S5","speciesSubnational":{"elementSubnationalId":358528,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":361959,"subnation":{"id":10,"nameEn":"District of Columbia","nameEs":"Distrito de Columbia","nameFr":"District de Columbia","subnationCode":"DC","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":361959,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":289774,"subnation":{"id":8,"nameEn":"Colorado","nameEs":"Colorado","nameFr":"Colorado","subnationCode":"CO","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":289774,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":291225,"subnation":{"id":14,"nameEn":"Georgia","nameEs":"Georgia","nameFr":"Géorgie","subnationCode":"GA","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":291225,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":305053,"subnation":{"id":21,"nameEn":"Kansas","nameEs":"Kansas","nameFr":"Kansas","subnationCode":"KS","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":305053,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":322789,"subnation":{"id":33,"nameEn":"Montana","nameEs":"Montana","nameFr":"Montana","subnationCode":"MT","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":322789,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":285151,"subnation":{"id":51,"nameEn":"Texas","nameEs":"Texas","nameFr":"Texas","subnationCode":"TX","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":285151,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":291408,"subnation":{"id":40,"nameEn":"Nevada","nameEs":"Nevada","nameFr":"Nevada","subnationCode":"NV","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":291408,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":264893,"subnation":{"id":7,"nameEn":"California","nameEs":"California","nameFr":"Californie","subnationCode":"CA","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":264893,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":396150,"subnation":{"id":41,"nameEn":"New York","nameEs":"Nueva York","nameFr":"New York","subnationCode":"NY","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":396150,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":299054,"subnation":{"id":28,"nameEn":"Michigan","nameEs":"Michigan","nameFr":"Michigan","subnationCode":"MI","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":299054,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":319857,"subnation":{"id":49,"nameEn":"South Dakota","nameEs":"Dakota del Sur","nameFr":"Dakota du Sud","subnationCode":"SD","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":319857,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":740073,"subnation":{"id":88,"nameEn":"Navajo Nation","nameEs":"La Nación Navajo","nameFr":"Nation Navajo","subnationCode":"NN","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":740073,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":388909,"subnation":{"id":30,"nameEn":"Missouri","nameEs":"Missouri","nameFr":"Missouri","subnationCode":"MO","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":388909,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":335481,"subnation":{"id":2,"nameEn":"Alabama","nameEs":"Alabama","nameFr":"Alabama","subnationCode":"AL","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":335481,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":297593,"subnation":{"id":20,"nameEn":"Indiana","nameEs":"Indiana","nameFr":"Indiana","subnationCode":"IN","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":297593,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":305057,"subnation":{"id":24,"nameEn":"Massachusetts","nameEs":"Massachusetts","nameFr":"Massachusetts","subnationCode":"MA","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":305057,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":277708,"subnation":{"id":37,"nameEn":"New Hampshire","nameEs":"New Hampshire","nameFr":"New Hampshire","subnationCode":"NH","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":277708,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":304072,"subnation":{"id":55,"nameEn":"Vermont","nameEs":"Vermont","nameFr":"Vermont","subnationCode":"VT","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":304072,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":357763,"subnation":{"id":50,"nameEn":"Tennessee","nameEs":"Tennessee","nameFr":"Tennessee","subnationCode":"TN","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":357763,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":352659,"subnation":{"id":43,"nameEn":"Oklahoma","nameEs":"Oklahoma","nameFr":"Oklahoma","subnationCode":"OK","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":352659,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":279310,"subnation":{"id":6,"nameEn":"Arizona","nameEs":"Arizona","nameFr":"Arizona","subnationCode":"AZ","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":279310,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":370466,"subnation":{"id":26,"nameEn":"Maine","nameEs":"Maine","nameFr":"Maine","subnationCode":"ME","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":370466,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":298659,"subnation":{"id":32,"nameEn":"Mississippi","nameEs":"Mississippi","nameFr":"Mississippi","subnationCode":"MS","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":298659,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":298655,"subnation":{"id":38,"nameEn":"New Jersey","nameEs":"Nueva Jersey","nameFr":"New Jersey","subnationCode":"NJ","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":298655,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":405038,"subnation":{"id":4,"nameEn":"Arkansas","nameEs":"Arkansas","nameFr":"Arkansas","subnationCode":"AR","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":405038,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":338272,"subnation":{"id":58,"nameEn":"West Virginia","nameEs":"Virginia Occidental","nameFr":"Virginie-Occidentale","subnationCode":"WV","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":338272,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":338558,"subnation":{"id":53,"nameEn":"Virginia","nameEs":"Virginia","nameFr":"Virginie","subnationCode":"VA","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":338558,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":402008,"subnation":{"id":23,"nameEn":"Louisiana","nameEs":"Louisiana","nameFr":"Louisiane","subnationCode":"LA","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":402008,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":369240,"subnation":{"id":34,"nameEn":"North Carolina","nameEs":"Carolina del Norte","nameFr":"Caroline du Nord","subnationCode":"NC","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":369240,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":344327,"subnation":{"id":29,"nameEn":"Minnesota","nameEs":"Minnesota","nameFr":"Minnesota","subnationCode":"MN","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":344327,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":345519,"subnation":{"id":9,"nameEn":"Connecticut","nameEs":"Connecticut","nameFr":"Connecticut","subnationCode":"CT","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":345519,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":363113,"subnation":{"id":18,"nameEn":"Idaho","nameEs":"Idaho","nameFr":"Idaho","subnationCode":"ID","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":363113,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":336090,"subnation":{"id":35,"nameEn":"North Dakota","nameEs":"Dakota del Norte","nameFr":"Dakota du Nord","subnationCode":"ND","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":336090,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":396445,"subnation":{"id":19,"nameEn":"Illinois","nameEs":"Illinois","nameFr":"Illinois","subnationCode":"IL","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":396445,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":391730,"subnation":{"id":1,"nameEn":"Alaska","nameEs":"Alaska","nameFr":"Alaska","subnationCode":"AK","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":391730,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":350619,"subnation":{"id":57,"nameEn":"Wisconsin","nameEs":"Wisconsin","nameFr":"Wisconsin","subnationCode":"WI","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":350619,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":310810,"subnation":{"id":48,"nameEn":"South Carolina","nameEs":"Carolina del Sur","nameFr":"Caroline du Sud","subnationCode":"SC","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4S5","speciesSubnational":{"elementSubnationalId":310810,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":288974,"subnation":{"id":11,"nameEn":"Delaware","nameEs":"Delaware","nameFr":"Delaware","subnationCode":"DE","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":288974,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":362600,"subnation":{"id":47,"nameEn":"Rhode Island","nameEs":"Rhode Island","nameFr":"Rhode Island","subnationCode":"RI","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":362600,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":307520,"subnation":{"id":42,"nameEn":"Ohio","nameEs":"Ohio","nameFr":"Ohio","subnationCode":"OH","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":307520,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":352081,"subnation":{"id":59,"nameEn":"Wyoming","nameEs":"Wyoming","nameFr":"Wyoming","subnationCode":"WY","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":352081,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":344328,"subnation":{"id":36,"nameEn":"Nebraska","nameEs":"Nebraska","nameFr":"Nebraska","subnationCode":"NE","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":3,"dataSensitiveDescEn":"Conditional","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"C"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":344328,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":275508,"subnation":{"id":17,"nameEn":"Iowa","nameEs":"Iowa","nameFr":"Iowa","subnationCode":"IA","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":275508,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":325317,"subnation":{"id":45,"nameEn":"Pennsylvania","nameEs":"Pennsylvania","nameFr":"Pennsylvanie","subnationCode":"PA","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":325317,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":1996,"nrank":"N5","speciesNational":{"elementNationalId":166873,"exotic":false,"native":true}}],"lastModified":"2026-10-02T21:43:04.730109Z","lastPublished":"2026-10-02T21:32:08.892226Z","promotionalDescription":null,"conceptLineageSummary":null,"nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.103944/Ondatra_zibethicus","grankAdjustmentReasons":null,"grankChangeDate":"1996-11-13","grankReviewDate":"2024-08-18","grankReasons":"Although it is undergoing widespread and long-term population declines, this species remains geographically broadly distributed and common.","grank":"G5","rankInfo":{"elementGlobalId":103944,"aooPercentGood":null,"enviromentalSpecificity":{"id":9,"enviromentalSpecificityDescEn":"Moderate to broad.","enviromentalSpecificityDescEs":"Moderado a amplio.","enviromentalSpecificityDescFr":"De modéré à vaste."},"intrinsicVulnerability":{"id":6,"intrinsicVulnerabilityDescEn":"Not intrinsically vulnerable","intrinsicVulnerabilityDescEs":"No intrínsecamente vulnerable","intrinsicVulnerabilityDescFr":"Non intrinsèquement vulnérable"},"longTermTrend":{"id":5,"longTermTrendDescEn":"Decline of >30%","longTermTrendDescEs":"Disminución de >30%.","longTermTrendDescFr":"Diminution de >30 %"},"numberEos":{"id":15,"numberEosDescEn":"> 300","numberEosDescEs":"> 300","numberEosDescFr":"> 300"},"numberGoodEos":null,"numberProtEos":null,"popSize":{"id":36,"popSizeDescEn":">1,000,000 individuals","popSizeDescEs":">1.000.000 de individuos","popSizeDescFr":">1 000 000 individus"},"rangeExtent":{"id":35,"rangeExtentDescEn":">2,500,000 square km (greater than 1,000,000 square miles)","rangeExtentDescEs":">2.500.000 kilómetros cuadrados (más ","rangeExtentDescFr":">2 500 000 km carrés (plus de 1 000 000 miles carrés)"},"shortTermTrend":{"id":36,"shortTermTrendDescEn":"Decline of 10-30%","shortTermTrendDescEs":"Disminución del 10 al 30%.","shortTermTrendDescFr":"Diminution de 10 à 30 %"},"threatImpactAssigned":null,"rangeExtentComments":"This species occurs in North America, north to the treeline, including Newfoundland, Canada; south to the Gulf Coast, Rio Grande, and lower Colorado River valleys, U.S.A.; introduced and now widespread in Eurasia as well as Argentina.","areaOfOccupancy":null,"areaOfOccupancyComments":null,"numberEosComments":"Widespread with likely many hundreds to thousands of occurrences.","popSizeComments":"Unknown, but trapping data from 1970-2012 indicated than an average of 1,890,000 individuals were harvested annually from 37 states with available data, suggesting a very large overall population (Ahlers and Heske 2017).","viabilityComments":null,"threatImpactComments":"Causes of declines are not well understood rangewide, but four factors appear to be important at least in portions of the range. These are loss of wetlands (and accompanying loss of connectivity among persisting wetlands) due to draining, pollution (runoff of pesticides, herbicides, and pharmaceutical waste), climate change and the effects of weather extremes on hydrology, increased predation from coyotes and raccoons (which feed on kits) (Ahlers and Heske 2017, Ward and Gorelick 2018). Water level management, while directly affecting water available, also indirectly affects the quality of emergent vegetation, an essential habitat feature for this species (Sadowski and Bowman 2021).","shortTermTrendComments":"Population rates of decline are unknown but appear to be widespread across the native range, especially in Ontario and in the southern, lower midwestern, and northeastern U.S. states (Ahlers and Heske 2017, Sadowski and Bowman 2021). Comparison between contemporary (2014-2019) and historical (1950-1990) surveys in southern Ontario revealed 91-93% declines (Sadowski and Bowman 2021).","longTermTrendComments":"Available data and traditional knowledge indicate that the species has undergone long-term, widespread declines across the U.S. and in Canada (Ahlers and Heske 2017, Ward and Gorelick 2018, Sadowski and Bowman 2021).","inventoryNeeds":null,"numberProtEosComments":null,"protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":"This species has a rapid reproductive rate and can increase rapidly when given the chance, as evidenced by the widespread success of introduced populations.","enviromentalSpecificityComments":"Adaptable to a wide range of wetland habitats, including in urban areas."},"animalCharacteristics":{"elementGlobalId":103944,"majorHabitat":{"id":3,"majorHabitatDescEn":"Terrestrial","majorHabitatDescEs":"Terrestre","majorHabitatDescFr":"Terrestre"},"nonMigrant":true,"localMigrant":false,"longDistanceMigrant":false,"mobilityMigrationComments":null,"foodHabitsComments":"Diet mainly consists of aquatic plants, particularly cattails (TYPHUS spp.), cordgrass, and bulrush. Also eats crustaceans and mollusks; may eat large numbers mussels in some areas (Hanson et al. 1989). Builds rooted feeding platforms. Eats mainly upland vegetation in some areas.","animalPhenologyComments":"Mainly nocturnal but frequently seen in daylight. Active year-round. Two peaks of activity: between 1600 and 1700 h and 2200-2300 hours (Stewart and Boder 1977).","colonialBreeder":false,"length":62,"width":null,"weight":1816,"animalPhenologies":[{"animalCagPhenologyId":102751,"animalPhenology":{"id":2,"animalPhenologyDescEn":"Circadian","animalPhenologyDescEs":"Circadiano","animalPhenologyDescFr":"Circadien","displayOrder":2},"adult":true,"immature":true},{"animalCagPhenologyId":102752,"animalPhenology":{"id":4,"animalPhenologyDescEn":"Nocturnal","animalPhenologyDescEs":"Nocturno","animalPhenologyDescFr":"Nocturne","displayOrder":4},"adult":true,"immature":true},{"animalCagPhenologyId":102753,"animalPhenology":{"id":5,"animalPhenologyDescEn":"Crepuscular","animalPhenologyDescEs":"Crepuscular","animalPhenologyDescFr":"Crépusculaire","displayOrder":5},"adult":true,"immature":true}],"animalFoodHabits":[{"animalCagFoodHabitsId":105074,"foodHabits":{"id":3,"foodHabitsDescEn":"Invertivore","foodHabitsDescEs":"Invertívoro","foodHabitsDescFr":"Invertivore","displayOrder":3},"adult":true,"immature":true},{"animalCagFoodHabitsId":105073,"foodHabits":{"id":4,"foodHabitsDescEn":"Herbivore","foodHabitsDescEs":"Herbívoro","foodHabitsDescFr":"Herbivore","displayOrder":4},"adult":true,"immature":true}]},"occurrenceDelineations":[{"eoSpecsDetailId":1581,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"eoSpecGroupName":null,"subtypes":null,"inferredExtentDistance":0.08,"inferredExtentNotes":"Based on a home range of 0.5 hectares (Takos 1944). Along linear waterways, an inferred extent of 0.2 kilometers may be used (Willner et al. 1980).","minimumEoCriteria":"Evidence of historical presence, or current and likely recurring presence, at a given location. Such evidence minimally includes collection or reliable observation and documentation of one or more individuals in appropriate habitat where the species is presumed to be established and breeding.","mappingGuidance":null,"separationBarriers":null,"separationDistanceUnsuitableHabitatat":2.0,"separationDistanceSuitableHabitatat":5.0,"altSeparationProcedure":null,"separationJustification":"Home ranges are small, but movement capability and dispersal potential are large. For example, regardless of obstacles, 31% of muskrats displaced 3 km returned to the home range, and 15% returned from 4 km (Erickson 1963). Dispersal rate in Sweden averaged 3.2 km per year (Danell 1978, cited by Willner et al. 1980).","versionDate":"2004-04-02","versionAuthor":"Hammerson, G., and S. Cannings","versionNotes":null,"lastModified":"2020-02-25T18:21:19.674413Z"}],"plantCharacteristics":null,"elementManagement":{"elementGlobalId":103944,"eoManagementGroupName":null,"stewardshipOverview":null,"impacts":"Predation by muskrat appears to be inhibiting the recovery of endangered mussel species, and probably is placing some demes of endangered pigtoe mussel species in further jeopardy of extirpation from sites in upper Tennessee River drainage (Neves and Odom 1989).","restorationPotential":null,"siteConservationPlansConsidered":null,"managementMethods":null,"monitoringMethods":null,"managementProgramContacts":null,"monitoringProgramContacts":null,"managementResearchPrograms":null,"managementResearchNeeds":null,"biologicalResearchNeeds":null,"additionalTopics":null},"occurrenceViabilities":[{"eoRankSpecsDetailId":105405,"eoRankSpecsGroupName":null,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"excellentViability":null,"goodViability":null,"fairViability":null,"poorViability":null,"viabilityJustification":"Use the Generic Guidelines for the Application of Occurrence Ranks (2008).<br>The Key for Ranking Species Occurrences Using the Generic Approach provides a step-wise process for implementing this method.","versionDate":null,"versionAuthor":null,"versionNotes":null,"lastModified":"2020-05-14T02:25:20.837045Z"}],"references":[{"id":1144306,"citation":"Ahlers, A. A., and E. J. Heske. 2017. Empirical evidence for declines in muskrat populations across the United States. The Journal of Wildlife Management 81(8):1408-1416.","shortCitationAuthor":"Ahlers and Heske","shortCitationYear":2017,"referenceCode":"A17AHL02NAUS","lastModified":"2024-10-05T00:21:54.314035Z"},{"id":1151804,"citation":"American Society of Mammalogists (ASM). 2025. Mammal Diversity Database (Version 1.13) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10595931. Online. Available: https://www.mammaldiversity.org/","shortCitationAuthor":"American Society of Mammalogists (ASM)","shortCitationYear":2025,"referenceCode":"W25ASM01NAUS","lastModified":"2025-04-04T21:45:15.526109Z"},{"id":120395,"citation":"Baker, R. H. 1983. Michigan mammals. Michigan State University Press. 642 pp.","shortCitationAuthor":"Baker","shortCitationYear":1983,"referenceCode":"B83BAK01NAUS","lastModified":"2020-02-25T18:12:47.27318Z"},{"id":119122,"citation":"Banfield, A. W. F. 1974. The mammals of Canada. University of Toronto Press, Toronto, Canada. 438 pp.","shortCitationAuthor":"Banfield","shortCitationYear":1974,"referenceCode":"B74BAN01NAUS","lastModified":"2020-02-25T18:12:03.631914Z"},{"id":112445,"citation":"Boutin, S. and D. E. Birkenholz. 1987. Muskrat and Round-tailed Muskrat. Pages 314-324 In M. Novak, J. A. Baker, M. E. Obbard and B. Malloch (editors). Wild furbearer management and conservation in North America. Ontario Ministry of Natural Resources, Toronto, Ont.","shortCitationAuthor":"Boutin and Birkenholz","shortCitationYear":1987,"referenceCode":"A87BOU01NACA","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":102597,"citation":"Caire, W., J. D. Tyler, B. P. Glass, and M. A. Mares. 1989. Mammals of Oklahoma. University of Oklahoma Press, Norman. Oklahoma. 567 pp.","shortCitationAuthor":"Caire et al.","shortCitationYear":1989,"referenceCode":"B89CAI01NAUS","lastModified":"2020-02-25T18:12:05.975685Z"},{"id":141351,"citation":"Clark, W. R. 1994. Habitat selection by muskrats in experimental marshes undergoing succession. Can. J. Zool. 72:675-680.","shortCitationAuthor":"Clark","shortCitationYear":1994,"referenceCode":"A94CLA03NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":138333,"citation":"Clark, W. R., and D. W. Kroeker. 1993. Population dynamics of muskrats in experimental marshes at Delta, Manitoba. Can. J. Zool. 71:1620-1628.","shortCitationAuthor":"Clark and Kroeker","shortCitationYear":1993,"referenceCode":"A93CLA01NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":109173,"citation":"Clough, G. C. 1987. Ecology of island muskrats, <i>Ondatra zibethicus</i>, adapted to upland habitat. Can. Field-Nat. 101:63-69.","shortCitationAuthor":"Clough","shortCitationYear":1987,"referenceCode":"A87CLO02NAUS","lastModified":"2025-03-01T01:33:18.348106Z"},{"id":266619,"citation":"Erickson, H. R. 1963. Reproduction, growth, and movement of muskrats inhabiting small water areas in New York state. New York Fish and Game Journal 10:90-117.","shortCitationAuthor":"Erickson","shortCitationYear":1963,"referenceCode":"A63ERI01NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":122221,"citation":"Errington, P.L. 1961. Muskrats and marsh management. Stackpole Co., Harrisburg, PA. 183 pp.","shortCitationAuthor":"Errington","shortCitationYear":1961,"referenceCode":"B61ERR01NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":126094,"citation":"Errington, P.L. 1963. Muskrat populations. Iowa State Univ. Press, Ames. 665 pp.","shortCitationAuthor":"Errington","shortCitationYear":1963,"referenceCode":"B63ERR01NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":118294,"citation":"Godin, A. J. 1977. Wild mammals of New England. Johns Hopkins University Press, Baltimore. 304 pp.","shortCitationAuthor":"Godin","shortCitationYear":1977,"referenceCode":"B77GOD01NAUS","lastModified":"2020-02-25T18:12:30.710457Z"},{"id":119546,"citation":"Hall, E. R. 1981a. The Mammals of North America, second edition. Vols. I &amp; II. John Wiley &amp; Sons, New York, New York. 1181 pp.","shortCitationAuthor":"Hall","shortCitationYear":1981,"referenceCode":"B81HAL01NAUS","lastModified":"2020-02-25T14:38:13.267235Z"},{"id":125104,"citation":"Hamilton, W. J., Jr., and J. O. Whitaker, Jr. 1979. Mammals of the eastern United States. Cornell Univ. Press, Ithaca, New York. 346 pp.","shortCitationAuthor":"Hamilton and Whitaker","shortCitationYear":1979,"referenceCode":"B79HAM01NAUS","lastModified":"2020-02-25T18:12:03.881928Z"},{"id":119151,"citation":"Hanson, J. M., W. C. Mackay, and E. E. Prepas. 1989. Effect of size-selective predation by muskrats (<i>Ondatra zibethicus</i>) on a population of unionid clams (<i>Anodonta grandis simpsoniana</i>). J. Anim. Ecol. 58:15-28.","shortCitationAuthor":"Hanson et al.","shortCitationYear":1989,"referenceCode":"A89HAN01NAUS","lastModified":"2025-03-01T01:33:18.348106Z"},{"id":810394,"citation":"Hebda, A.J. 2011. List of mammals of Nova Scotia (including synonyms used in the literature relating to Nova Scotia) (revision 2) 24 July 2011. Nova Scotia Museum Collections Unit, Halifax, Nova Scotia. 24 pp. Online. Available: https://naturalhistory.novascotia.ca/sites/default/files/inline/images/names_and_synonyms_ver3.pdf","shortCitationAuthor":"Hebda","shortCitationYear":2011,"referenceCode":"N11HEB01EHUS","lastModified":"2020-02-25T18:12:30.726311Z"},{"id":103209,"citation":"Hollister, N. 1911. A systematic synopsis of the muskrats. North American Fauna 32:1-47.","shortCitationAuthor":"Hollister","shortCitationYear":1911,"referenceCode":"B11HOL01NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":137340,"citation":"Johnson, C.E. 1925. The muskrat in New York: Its natural history and economics. Roosevelt Wildlife Bull., 3(2):205- 320.","shortCitationAuthor":"Johnson","shortCitationYear":1925,"referenceCode":"A25JOH01NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":158410,"citation":"Lever, C. 1985. Naturalized mammals of the world. Longman Group Limited, England.","shortCitationAuthor":"Lever","shortCitationYear":1985,"referenceCode":"B85LEV0100LA","lastModified":"2020-02-25T18:12:14.069551Z"},{"id":810393,"citation":"Linzey, D.W. 2016. Mammals of Great Smoky Mountains National Park: 2016 revision. Southeastern Naturalist 15(Monograph 8):1–93.","shortCitationAuthor":"Linzey","shortCitationYear":2016,"referenceCode":"A16LIN02EHUS","lastModified":"2020-02-25T18:12:52.46115Z"},{"id":158374,"citation":"Mammalian Species, nos. 1-604. Published by the American Society of Mammalogists.","shortCitationAuthor":"American Society of Mammalogists","shortCitationYear":null,"referenceCode":"JNDAME0100LA","lastModified":"2020-02-25T18:12:05.991304Z"},{"id":141865,"citation":"Marinelli, L., and F. Messier. 1993. Space use and the social system of muskrats. Can. J. Zool. 71:869-875.","shortCitationAuthor":"Marinelli and Messier","shortCitationYear":1993,"referenceCode":"A93MAR02NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":124742,"citation":"Neves, R. J., and M. C. Odom. 1989. Muskrat predation on endangered freshwater mussels in Virginia. J. Wild. Manage. 53:934-941.","shortCitationAuthor":"Neves and Odom","shortCitationYear":1989,"referenceCode":"A89NEV01NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":126042,"citation":"Perry, H. R., Jr. 1982. Muskrats (<i>Ondatra zibethicus</i> and <i>Neofiber alleni</i>). Pages 282-325 in J. A. Chapman and G. A. Feldhamer, editors. Wild mammals of North America. Johns Hopkins Univ. Press, Baltimore.","shortCitationAuthor":"Perry","shortCitationYear":1982,"referenceCode":"A82PER01NAUS","lastModified":"2020-02-25T18:15:02.540878Z"},{"id":1144305,"citation":"Sadowski, C., and J. Bowman. 2021. Historical surveys reveal a long-term decline in muskrat populations. Ecology and Evolution 11(12):7557-7568.","shortCitationAuthor":"Sadowski and Bowman","shortCitationYear":2021,"referenceCode":"A21SAD01NAUS","lastModified":"2024-10-05T00:21:54.313042Z"},{"id":100987,"citation":"Schwartz, C. W., and E. R. Schwartz. 1981. The wild mammals of Missouri. University of Missouri Press, Columbia. 356 pp.","shortCitationAuthor":"Schwartz and Schwartz","shortCitationYear":1981,"referenceCode":"B81SCH01NAUS","lastModified":"2020-02-25T18:12:47.27318Z"},{"id":129425,"citation":"Stewart, R.W. and J.R. Boder. 1977. Summer activity of muskrats in relation to weather. J. Wildl. Mgmt. 41:487-499.","shortCitationAuthor":"Stewart and Boder","shortCitationYear":1977,"referenceCode":"A77STE01NAUS","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":121242,"citation":"Takos, M. J. 1944. Summer movements of banded muskrats. Journal of Wildlife Management 8:307-311.","shortCitationAuthor":"Takos","shortCitationYear":1944,"referenceCode":"A44TAK01NACA","lastModified":"2020-02-25T18:21:19.674413Z"},{"id":1144307,"citation":"Ward, E. M., and S. M. Gorelick. 2018. Drying drives decline in muskrat population in the Peace-Athabasca Delta, Canada. Environmental Research Letters 13(12):124026.","shortCitationAuthor":"Ward and Gorelick","shortCitationYear":2018,"referenceCode":"A18WAR01NAUS","lastModified":"2024-10-05T00:21:54.314035Z"},{"id":114139,"citation":"Willner, G. R., G. A. Feldhammer, E. E. Zocker, and J. A. Chapman. 1980. <i>Ondatra zibethicus</i>. American Society of Mammalogists, Mammalian Species No. 141. 8 pp.","shortCitationAuthor":"Willner et al.","shortCitationYear":1980,"referenceCode":"A80WIL01NAUS","lastModified":"2025-03-01T01:22:01.00476Z"},{"id":117022,"citation":"Wilson, D. E., and D. M. Reeder (editors). 1993. Mammal species of the world: a taxonomic and geographic reference. Second edition. Smithsonian Institution Press, Washington, DC. xviii + 1206 pp. Available online at: http://www.nmnh.si.edu/msw/.","shortCitationAuthor":"Wilson and Reeder","shortCitationYear":1993,"referenceCode":"B93WIL01NAUS","lastModified":"2020-02-25T14:38:17.880059Z"},{"id":477777,"citation":"Wilson, D. E., and D. M. Reeder (editors). 2005. Mammal species of the world: a taxonomic and geographic reference. Third edition. The Johns Hopkins University Press, Baltimore. Two volumes. 2,142 pp. [As modified by ASM the Mammal Diversity Database (MDD) at https://www.mammaldiversity.org/index.html]","shortCitationAuthor":"Wilson and Reeder","shortCitationYear":2005,"referenceCode":"B05WIL01NAUS","lastModified":"2022-07-02T00:44:59.638537Z"},{"id":138611,"citation":"Wilson, D. E., and S. Ruff. 1999. The Smithsonian book of North American mammals. Smithsonian Institution Press, Washington, D.C. 750 pp.","shortCitationAuthor":"Wilson and Ruff","shortCitationYear":1999,"referenceCode":"B99WIL01NACA","lastModified":"2020-02-25T18:12:03.647505Z"}],"otherCommonNames":[{"id":145205,"name":"common muskrat","language":"EN"},{"id":136350,"name":"Muskrat","language":"EN"},{"id":136351,"name":"Rat musqué","language":"FR"}],"speciesGlobal":{"elementGlobalId":103944,"cites":null,"cosewic":null,"fwsRegion":null,"genusSize":{"id":1,"genusSizeDescEn":"Monotypic genus","genusSizeDescEs":"Género monotípico","genusSizeDescFr":"Genre monotypique"},"jurisEndem":{"id":5,"jurisEndemDescEn":"occurs (regularly, as a native taxon) in multiple nations","jurisEndemDescEs":"Se encuentra en varias naciones (de manera regular, como un taxón nativo)","jurisEndemDescFr":"Se trouve dans plusieurs nations (de façon régulière, tel un taxon indigène)"},"nomenclaturallyEst":null,"usesa":null,"informalTaxonomy":{"informalTaxonomyId":6,"level1":"Animals","level2":"Vertebrates","level3":"Mammals","level":3,"hasChildren":false,"parentId":2,"distributionStatus":"complete","displayOrder":1090},"parentSpecies":null,"infraspecies":false,"kingdom":"Animalia","phylum":"Craniata","taxclass":"Mammalia","taxorder":"Rodentia","family":"Cricetidae","genus":"Ondatra","americanFisheriesStatus":null,"americanFisheriesStatusDate":null,"saraStatus":null,"saraStatusDate":null,"cosewicDate":null,"interpretedCosewic":null,"cosewicComments":null,"usesaDate":null,"interpretedUsesa":null,"usesaComments":null,"completeDistribution":true,"synonyms":[],"infraspeciesList":[{"infraspeciesId":105625,"uniqueId":"ELEMENT_GLOBAL.2.105625","formattedScientificName":"<i>Ondatra zibethicus ripensis</i>","scientificName":"Ondatra zibethicus ripensis","primaryCommonName":"Pecos River Muskrat","nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.105625/Ondatra_zibethicus_ripensis"}],"ebarId":null,"ebarCanadianScope":false,"ebarGlobalScope":false,"ebarKbaGroup":"Mammals","caGeneralStatusId":"GS001632"},"speciesCharacteristics":{"elementGlobalId":103944,"reproductionComments":"Gestation lasts 28-30 days. Average of 2-3 litters/year. Litter size is 1-12 (usually averages about 5-6). Weaned and fairly independent after about 1 month. Sexually mature in 4-6 months. In Saskatchewan, polygyny was common (Marinelli and Messier 1993). Typically high rate of mortality in young.","ecologyComments":"Generally solitary but several may use same general area; in winter several may congregate in single den. Territoriality common (Caire et al. 1989), mostly in breeding season. <br /><br />Home range sizes relatively small; usually does not forage more than 11 m from home site (Baker 1983). In marginal areas, foraging excursions greater. Seasonal home range may range from less than 0.1 ha to several hectares (see Marinelli and Messier 1993). Home ranges generally less than 100 m in diameter (Takos 1944, Boutin and Birkenholz 1987). However, along linear waterways, home ranges average 411 meters long (Willner et al. 1980). <br /><br />Populations fluctuate, density up to about 90/ha, usually much less (6/ha, 24/ha, and 36/ha in three studies cited by Marinelli and Messier 1993). <br /><br />In Manitoba, spatial and temporal variation in vegetation response to flooding contributed to variation in the density dependence of both survival and recruitment; reductions in emergent vegetation caused by flooding resulted in decreased winter survival (Clark and Kroeker 1993).","habitatComments":"Prefers fresh or brackish marshes, lakes, ponds, swamps, and other bodies of slow-moving water. Most abundant in areas with cattail. Rare or absent in large artificial impoundments where fluctuating water levels eliminate littoral zone plants (food supply) (Caire et al. 1989). Dens in bank burrow or conical house of vegetation in shallow vegetated water. Sometimes in uplands-Clough 1987. <br /><br />See Clark (1994) for information on habitat selection in experimental marshes undergoing succession in Manitoba.","generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[],"speciesRiverineHabitats":[{"cagRiverineHabId":-105764,"riverineHabitat":{"id":1,"riverineHabitatDescEn":"BIG RIVER","riverineHabitatDescEs":"RÍO GRANDE","riverineHabitatDescFr":"GRANDE RIVIÈRE","displayOrder":1}},{"cagRiverineHabId":-105765,"riverineHabitat":{"id":2,"riverineHabitatDescEn":"MEDIUM RIVER","riverineHabitatDescEs":"RÍO MEDIANO","riverineHabitatDescFr":"MOYENNE RIVIÈRE","displayOrder":2}},{"cagRiverineHabId":-105766,"riverineHabitat":{"id":3,"riverineHabitatDescEn":"CREEK","riverineHabitatDescEs":"ARROYO","riverineHabitatDescFr":"RUISSEAU","displayOrder":3}},{"cagRiverineHabId":-105767,"riverineHabitat":{"id":7,"riverineHabitatDescEn":"Low gradient","riverineHabitatDescEs":"Pendiente de bajo flujo","riverineHabitatDescFr":"Pente d’écoulement faible","displayOrder":7}}],"speciesPalustrineHabitats":[{"cagPalusHabId":-102971,"palustrineHabitat":{"id":2,"palustrineHabitatDescEn":"HERBACEOUS WETLAND","palustrineHabitatDescEs":"HUMEDAL HERBÁCEO","palustrineHabitatDescFr":"TERRE HUMIDE HERBACÉE","displayOrder":2}},{"cagPalusHabId":-102972,"palustrineHabitat":{"id":4,"palustrineHabitatDescEn":"FORESTED WETLAND","palustrineHabitatDescEs":"HUMEDAL BOSCOSO","palustrineHabitatDescFr":"TERRE HUMIDE FORESTIÈRE","displayOrder":4}},{"cagPalusHabId":-102973,"palustrineHabitat":{"id":6,"palustrineHabitatDescEn":"Riparian","palustrineHabitatDescEs":"Ribereño","palustrineHabitatDescFr":"Riverain","displayOrder":6}}],"speciesLacustrineHabitats":[{"cagLacusHabId":-100893,"lacustrineHabitat":{"id":2,"lacustrineHabitatDescEn":"Shallow water","lacustrineHabitatDescEs":"Aguas poco profundas","lacustrineHabitatDescFr":"Eau peu profonde","displayOrder":2}}],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[{"cagEstuarineHabId":-101280,"estuarineHabitat":{"id":5,"estuarineHabitatDescEn":"Herbaceous wetland","estuarineHabitatDescEs":"Humedal herbáceo","estuarineHabitatDescFr":"Terre humide herbacée","displayOrder":5}}]},"primaryReference":{"id":1151804,"citation":"American Society of Mammalogists (ASM). 2025. Mammal Diversity Database (Version 1.13) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10595931. Online. Available: https://www.mammaldiversity.org/","shortCitationAuthor":"American Society of Mammalogists (ASM)","shortCitationYear":2025,"referenceCode":"W25ASM01NAUS","lastModified":"2025-04-04T21:45:15.526109Z"},"predecessors":[],"elementGlobalThreatAssessments":[{"elementGlobalThreatAssessId":62361,"iucnThreatCategory":{"id":28,"iucnThreatCategoryCd":"7","iucnThreatCategoryDescEn":"Natural system modifications","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"7 - Natural system modifications","displayValueEs":null,"displayValueFr":null,"displayOrder":420,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":{"id":1,"iucnThreatScopeDescEn":"Pervasive: Affects all or most (71-100%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Pervasive (71-100%)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"iucnThreatSeverity":{"id":8,"iucnThreatSeverityDescEn":"Serious - slight","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Serious - slight","displayValueEs":null,"displayValueFr":null,"displayOrder":10},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":7,"threatImpactCalcCd":"BD","threatImpactCalcDescEn":"High - low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"BD = High - low","displayValueEs":null,"displayValueFr":null,"displayOrder":14}},{"elementGlobalThreatAssessId":62362,"iucnThreatCategory":{"id":30,"iucnThreatCategoryCd":"7.2","iucnThreatCategoryDescEn":"Dams & water management/use","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"7.2 - Dams & water management/use","displayValueEs":null,"displayValueFr":null,"displayOrder":440,"iucnThreat":"Y","parentThreatId":28,"iucnThreatLevel":2},"iucnThreatScope":{"id":1,"iucnThreatScopeDescEn":"Pervasive: Affects all or most (71-100%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Pervasive (71-100%)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"iucnThreatSeverity":{"id":8,"iucnThreatSeverityDescEn":"Serious - slight","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Serious - slight","displayValueEs":null,"displayValueFr":null,"displayOrder":10},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":7,"threatImpactCalcCd":"BD","threatImpactCalcDescEn":"High - low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"BD = High - low","displayValueEs":null,"displayValueFr":null,"displayOrder":14}},{"elementGlobalThreatAssessId":62368,"iucnThreatCategory":{"id":32,"iucnThreatCategoryCd":"8","iucnThreatCategoryDescEn":"Invasive & other problematic species,  genes & diseases","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"8 - Invasive & other problematic species,  genes & diseases","displayValueEs":null,"displayValueFr":null,"displayOrder":590,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":{"id":10,"iucnThreatScopeDescEn":"Unknown","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":11},"iucnThreatSeverity":{"id":10,"iucnThreatSeverityDescEn":"Unknown","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":12},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":15,"threatImpactCalcCd":"U","threatImpactCalcDescEn":"Unknown","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":9}},{"elementGlobalThreatAssessId":62369,"iucnThreatCategory":{"id":34,"iucnThreatCategoryCd":"8.2","iucnThreatCategoryDescEn":"Problematic native species/diseases","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"8.2 - Problematic native species/diseases","displayValueEs":null,"displayValueFr":null,"displayOrder":610,"iucnThreat":"Y","parentThreatId":32,"iucnThreatLevel":2},"iucnThreatScope":{"id":10,"iucnThreatScopeDescEn":"Unknown","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":11},"iucnThreatSeverity":{"id":10,"iucnThreatSeverityDescEn":"Unknown","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":12},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":15,"threatImpactCalcCd":"U","threatImpactCalcDescEn":"Unknown","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":9}},{"elementGlobalThreatAssessId":62363,"iucnThreatCategory":{"id":36,"iucnThreatCategoryCd":"9","iucnThreatCategoryDescEn":"Pollution","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"9 - Pollution","displayValueEs":null,"displayValueFr":null,"displayOrder":630,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":{"id":9,"iucnThreatScopeDescEn":"Restricted - small","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Restricted - small","displayValueEs":null,"displayValueFr":null,"displayOrder":10},"iucnThreatSeverity":{"id":9,"iucnThreatSeverityDescEn":"Moderate - slight","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Moderate - slight","displayValueEs":null,"displayValueFr":null,"displayOrder":11},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":10,"threatImpactCalcCd":"D","threatImpactCalcDescEn":"Low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"D = Low","displayValueEs":null,"displayValueFr":null,"displayOrder":4}},{"elementGlobalThreatAssessId":62365,"iucnThreatCategory":{"id":38,"iucnThreatCategoryCd":"9.2","iucnThreatCategoryDescEn":"Industrial & military effluents","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"9.2 - Industrial & military effluents","displayValueEs":null,"displayValueFr":null,"displayOrder":650,"iucnThreat":"Y","parentThreatId":36,"iucnThreatLevel":2},"iucnThreatScope":{"id":10,"iucnThreatScopeDescEn":"Unknown","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":11},"iucnThreatSeverity":{"id":10,"iucnThreatSeverityDescEn":"Unknown","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":12},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":15,"threatImpactCalcCd":"U","threatImpactCalcDescEn":"Unknown","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":9}},{"elementGlobalThreatAssessId":62364,"iucnThreatCategory":{"id":39,"iucnThreatCategoryCd":"9.3","iucnThreatCategoryDescEn":"Agricultural & forestry effluents","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"9.3 - Agricultural & forestry effluents","displayValueEs":null,"displayValueFr":null,"displayOrder":660,"iucnThreat":"Y","parentThreatId":36,"iucnThreatLevel":2},"iucnThreatScope":{"id":9,"iucnThreatScopeDescEn":"Restricted - small","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Restricted - small","displayValueEs":null,"displayValueFr":null,"displayOrder":10},"iucnThreatSeverity":{"id":9,"iucnThreatSeverityDescEn":"Moderate - slight","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Moderate - slight","displayValueEs":null,"displayValueFr":null,"displayOrder":11},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":10,"threatImpactCalcCd":"D","threatImpactCalcDescEn":"Low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"D = Low","displayValueEs":null,"displayValueFr":null,"displayOrder":4}},{"elementGlobalThreatAssessId":62366,"iucnThreatCategory":{"id":47,"iucnThreatCategoryCd":"11","iucnThreatCategoryDescEn":"Climate change & severe weather","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"11 - Climate change & severe weather","displayValueEs":null,"displayValueFr":null,"displayOrder":840,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":{"id":1,"iucnThreatScopeDescEn":"Pervasive: Affects all or most (71-100%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Pervasive (71-100%)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"iucnThreatSeverity":{"id":3,"iucnThreatSeverityDescEn":"Moderate: Likely to moderately degrade/reduce affected occurrences or habitat, or reduce  population 11-30%","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Moderate or 11-30% pop. decline","displayValueEs":null,"displayValueFr":null,"displayOrder":3},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":8,"threatImpactCalcCd":"C","threatImpactCalcDescEn":"Medium","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"C = Medium","displayValueEs":null,"displayValueFr":null,"displayOrder":3}},{"elementGlobalThreatAssessId":62367,"iucnThreatCategory":{"id":51,"iucnThreatCategoryCd":"11.4","iucnThreatCategoryDescEn":"Storms & flooding","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"11.4 - Storms & flooding","displayValueEs":null,"displayValueFr":null,"displayOrder":880,"iucnThreat":"Y","parentThreatId":47,"iucnThreatLevel":2},"iucnThreatScope":{"id":1,"iucnThreatScopeDescEn":"Pervasive: Affects all or most (71-100%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Pervasive (71-100%)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"iucnThreatSeverity":{"id":3,"iucnThreatSeverityDescEn":"Moderate: Likely to moderately degrade/reduce affected occurrences or habitat, or reduce  population 11-30%","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Moderate or 11-30% pop. decline","displayValueEs":null,"displayValueFr":null,"displayOrder":3},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":8,"threatImpactCalcCd":"C","threatImpactCalcDescEn":"Medium","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"C = Medium","displayValueEs":null,"displayValueFr":null,"displayOrder":3}}]}