{"elementGlobalId":102412,"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":null,"formattedScientificName":"<i>Dryophytes arenicolor</i>","scientificName":"Dryophytes arenicolor","scientificNameAuthor":"Cope, 1866","primaryCommonName":"Canyon Treefrog","relatedItisNames":"<i>Hyla arenicolor</i> Cope, 1866 (TSN 173510)","uniqueId":"ELEMENT_GLOBAL.2.102412","elcode":"AAABC02020","conceptRefFullCitation":"Frost, D. R. 1985. Amphibian species of the world. A taxonomic and geographical reference. Allen Press, Inc., and The Association of  Systematics Collections, Lawrence, Kansas. v + 732 pp.","conceptName":"<i>Hyla arenicolor</i>","taxonomicComments":"Duellman et al. (2016) restricted <i>Hyla </i>to Eurasia and North Africa and referred the North American and east Asian sister taxon of this group to <i>Dryophytes</i>.<br/><br/>Bryson et al. (2010) reported on molecular geographic variation and demonstrated introgression with <i>D. wrightorum</i>. Based only on the mitochondrial subset of their data, Li et al. (2015) found multiple divergent lineages within a monophyletic <i>D. arenicolor</i>. Barber (1999) examined geographic variation and suggested that at least two other species should be recognized within the Mexican component of its range (Nicholson 2025).","roundedGRank":"G5","conservationStatusFactorsEditionDate":"2002-04-01","conservationStatusFactorsEditionAuthors":"Hammerson, G.","primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":164844,"classifConfidence":null,"nation":{"id":225,"nameEn":"United States","nameEs":"Estados Unidos","nameFr":"États-Unis","isoCode":"US","region":"United States"},"roundedNRank":"N5","elementSubnationals":[{"elementSubnationalId":340365,"subnation":{"id":8,"nameEn":"Colorado","nameEs":"Colorado","nameFr":"Colorado","subnationCode":"CO","dnationId":225},"roundedSRank":"S2","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S2","speciesSubnational":{"elementSubnationalId":340365,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":353367,"subnation":{"id":51,"nameEn":"Texas","nameEs":"Texas","nameFr":"Texas","subnationCode":"TX","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":353367,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":397597,"subnation":{"id":6,"nameEn":"Arizona","nameEs":"Arizona","nameFr":"Arizona","subnationCode":"AZ","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":397597,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":403274,"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":"S4","speciesSubnational":{"elementSubnationalId":403274,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":376291,"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":"S4S5","speciesSubnational":{"elementSubnationalId":376291,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":267021,"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":267021,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":1996,"nrank":"N5","speciesNational":{"elementNationalId":164844,"exotic":false,"native":true}}],"lastModified":"2026-10-02T21:38:38.207795Z","lastPublished":"2026-10-02T21:32:08.892226Z","promotionalDescription":null,"conceptLineageSummary":null,"nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.102412/Dryophytes_arenicolor","grankAdjustmentReasons":null,"grankChangeDate":"2001-10-29","grankReviewDate":"2002-04-01","grankReasons":"Secure in most of large range in southwestern North America.","grank":"G5","rankInfo":{"elementGlobalId":102412,"aooPercentGood":null,"enviromentalSpecificity":{"id":5,"enviromentalSpecificityDescEn":"Narrow.  Specialist or community with key requirements common.","enviromentalSpecificityDescEs":"Estrecho.  Especialista o comunidad con requisitos claves comunes.","enviromentalSpecificityDescFr":"Étroit. 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There are also isolated populations in northeastern New Mexico and the Big Bend area of western Texas. It is found from near sea level to about 3,000m (9800 ft) (Stebbins 1985).","areaOfOccupancy":null,"areaOfOccupancyComments":null,"numberEosComments":"Represented by many and/or large occurrences throughout most of the range.","popSizeComments":"Total adult population size is unknown but likely exceeds 100,000.","viabilityComments":null,"threatImpactComments":"No major pervasive threats.","shortTermTrendComments":"No quantitative data but likely stable.","longTermTrendComments":"Likely relatively stable in extent of occurrence, probably less than 25% decline in population size, area of occurrence, and number/condition of occurrences.","inventoryNeeds":null,"numberProtEosComments":"This species occurs in a wide variety of habitats and part of its range includes Biosphere Reserves and Natural parks.","protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":{"elementGlobalId":102412,"majorHabitat":null,"nonMigrant":true,"localMigrant":false,"longDistanceMigrant":false,"mobilityMigrationComments":null,"foodHabitsComments":"Adults feed on ants, beetles, centipedes, spiders, etc. Larvae eat suspended matter, organic debris, algae, and plant tissue.","animalPhenologyComments":"Inactive in cold temperatures and hot, dry weather when it retreats to rock crevices. Most active at night but can be observed among rocks along stream courses diurnally.","colonialBreeder":false,"length":6,"width":null,"weight":null,"animalPhenologies":[{"animalCagPhenologyId":101818,"animalPhenology":{"id":1,"animalPhenologyDescEn":"Hibernates/aestivates","animalPhenologyDescEs":"Hibernación/Estivación","animalPhenologyDescFr":"Hiberne/estive","displayOrder":1},"adult":true,"immature":true},{"animalCagPhenologyId":101819,"animalPhenology":{"id":2,"animalPhenologyDescEn":"Circadian","animalPhenologyDescEs":"Circadiano","animalPhenologyDescFr":"Circadien","displayOrder":2},"adult":true,"immature":true}],"animalFoodHabits":[{"animalCagFoodHabitsId":103396,"foodHabits":{"id":3,"foodHabitsDescEn":"Invertivore","foodHabitsDescEs":"Invertívoro","foodHabitsDescFr":"Invertivore","displayOrder":3},"adult":true,"immature":false},{"animalCagFoodHabitsId":103397,"foodHabits":{"id":4,"foodHabitsDescEn":"Herbivore","foodHabitsDescEs":"Herbívoro","foodHabitsDescFr":"Herbivore","displayOrder":4},"adult":false,"immature":true}]},"occurrenceDelineations":[{"eoSpecsDetailId":1108,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"eoSpecGroupName":"Hylid Frogs (Treefrogs)","subtypes":null,"inferredExtentDistance":0.5,"inferredExtentNotes":"Inferred extent distance pertains to distance from breeding sites.","minimumEoCriteria":"Occurrences are based on 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 (including larvae or eggs) in or near appropriate habitat where the species is presumed to be established and  breeding.","mappingGuidance":null,"separationBarriers":"Busy major highway such that frogs rarely if ever cross successfully; intensive urban development dominated by buildings and pavement and lacking suitable vegetated frog refuges.","separationDistanceUnsuitableHabitatat":1.0,"separationDistanceSuitableHabitatat":5.0,"altSeparationProcedure":null,"separationJustification":"Available information is limited but indicates that hylids generally exhibit limited movements on a short-term basis. In New Jersey, Freda and Morin (1984) and Freda and Gonzalez (1986) demonstrated that individual Hyla andersonii often travel distances of 100 m from breeding ponds during the nonbreeding season. In montane Colorado, Spencer (1964) found that Pseudacris triseriata range into wet meadows usually within about 700 m of their breeding sites and sometimes cross a few hundred meters of upland habitat. Kay (1989) determined that most Pseudacris cadaverina individuals range over small segments of streamcourse; 83 percent of movements were less than 25 m in a 1-year study. In Michigan, nonbreeding home range diameters of Pseudacris crucifer, established around forest debris and vegetation, ranged from 1.2 to 5.5 m (Delzell 1958). <br><br>Based on this information it appears that 1 km is an appropriate separation distance for unsuitable habitat. Despite limited data suggesting restricted movements, dispersal data are scant, and these frogs are clearly physically capable of long moves. It seems unlikely that occupied locations separated by a gap of less than several kilometers of suitable habitat would represent independent occurrences over the long term.","versionDate":"2004-09-21","versionAuthor":"Hammerson, G.","versionNotes":null,"lastModified":"2020-04-30T02:04:11.316048Z"}],"plantCharacteristics":null,"elementManagement":{"elementGlobalId":102412,"eoManagementGroupName":null,"stewardshipOverview":null,"impacts":null,"restorationPotential":null,"siteConservationPlansConsidered":null,"managementMethods":null,"monitoringMethods":null,"managementProgramContacts":null,"monitoringProgramContacts":null,"managementResearchPrograms":null,"managementResearchNeeds":null,"biologicalResearchNeeds":null,"additionalTopics":null},"occurrenceViabilities":[{"eoRankSpecsDetailId":103925,"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":"2020-05-14T02:21:29.28657Z"}],"references":[{"id":1101130,"citation":"Barber, P. H. 1999. Phylogeography of the Canyon Treefrog, <i>Hyla arenicolor</i> (Cope) based on mitochondrial DNA sequence data. Molecular Ecology 8:547-562.","shortCitationAuthor":"Barber","shortCitationYear":1999,"referenceCode":"A99BAR04NAUS","lastModified":"2021-06-05T02:54:16.629232Z"},{"id":137372,"citation":"Behler, J. L., and F. W. King. 1979. The Audubon Society field guide to North American reptiles and amphibians. Alfred A. Knopf, New York. 719 pp.","shortCitationAuthor":"Behler and King","shortCitationYear":1979,"referenceCode":"B79BEH01NAUS","lastModified":"2020-02-25T14:38:24.173666Z"},{"id":112779,"citation":"Blackburn, L., P. Nanjappa, and M. J. Lannoo. 2001. An Atlas of the Distribution of U.S. Amphibians. Copyright, Ball State University, Muncie, Indiana, USA.","shortCitationAuthor":"Blackburn et al.","shortCitationYear":2001,"referenceCode":"B01BLA01EHUS","lastModified":"2020-02-25T14:38:24.173666Z"},{"id":1101131,"citation":"Bryson, R. W., Jr., A. Nieto-Montes de Oca, J. R. Jaeger, and B. R. Riddle. 2010. Elucidation of cryptic diversity in a widespread Nearctic treefrog reveals episodes of mitochondrial gene capture as frogs diversified across a dynamic landscape. Evolution 64:2315-2330.","shortCitationAuthor":"Bryson et al.","shortCitationYear":2010,"referenceCode":"A10BRY01NAUS","lastModified":"2021-06-05T02:54:16.629232Z"},{"id":1101132,"citation":"Bryson, R. W., Jr., B. T. Smith, A. Nieto-Montes de Oca, U. O. García-Vázquez, and B. R. Riddle. 2014. The role of mitochondrial introgression in illuminating the evolutionary history of Nearctic treefrogs. Zoological Journal of the Linnean Society 172:103-116.","shortCitationAuthor":"Bryson et al.","shortCitationYear":2014,"referenceCode":"A14BRY01NAUS","lastModified":"2021-06-05T02:54:16.629232Z"},{"id":104608,"citation":"Conant, R. and J. T. Collins. 1991. A field guide to reptiles and amphibians: eastern and central North America. Third edition. Houghton Mifflin Co., Boston, Massachusetts. 450 pp.","shortCitationAuthor":"Conant and Collins","shortCitationYear":1991,"referenceCode":"B91CON01NAUS","lastModified":"2020-02-25T18:11:51.303794Z"},{"id":943912,"citation":"Crother, B. I. (editor). 2017. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. 8th edition. SSAR Herpetological Circular 43:1-104. [Updates in SSAR North American Species Names Database at: https://ssarherps.org/cndb]","shortCitationAuthor":"Crother","shortCitationYear":2017,"referenceCode":"B17CRO01EHUS","lastModified":"2020-02-25T18:11:53.413199Z"},{"id":103692,"citation":"Degenhardt, W. G., C. W. Painter, and A. H. Price. 1996. Amphibians and reptiles of New Mexico. University of New Mexico Press, Albuquerque. xix + 431 pp.","shortCitationAuthor":"Degenhardt et al.","shortCitationYear":1996,"referenceCode":"B96DEG01NAUS","lastModified":"2020-02-25T18:11:51.303794Z"},{"id":159361,"citation":"Duellman, W. E. 2001. Hylid frogs of Middle America. Society for the Study of Amphibians and Reptiles, Ithaca, New York, USA. Two volumes, 1,180 pp.","shortCitationAuthor":"Duellman","shortCitationYear":2001,"referenceCode":"B01DUE0100LA","lastModified":"2020-02-25T18:17:35.027552Z"},{"id":767107,"citation":"Duellman, W. E., A. B. Marion, and S. B. Hedges. 2016. Phylogenetics, classification, and biogeography of the treefrogs (Amphibia: Anura: Arboranae). Zootaxa 4104: 1–109.","shortCitationAuthor":"Duellman et al.","shortCitationYear":2016,"referenceCode":"A16DUE01NAUS","lastModified":"2020-02-25T18:16:50.683118Z"},{"id":510594,"citation":"Faivovich, J., C.F.B. Haddad, P.C.A. Garcia, D.R. Frost, J.A. Campbell and W.C. Wheeler. 2005. Systematic review of the frog family Hylidae, with special reference to Hylinae: Phylogenetic analysis and taxonomic revision. Bulletin of the American Museum of Natural History 294:1-240.","shortCitationAuthor":"Faivovich et al.","shortCitationYear":2005,"referenceCode":"B05FAI01EHUS","lastModified":"2020-02-25T19:36:54.41177Z"},{"id":849097,"citation":"Fouquette Jr., M.J., and A. DuBois. 2014. A Checklist of North American Amphibians and Reptiles. Seventh Edition. Volume 1—Amphibians. Xlibris LLC, Bloomington, Indiana. 586 pp.","shortCitationAuthor":"Fouquette and DuBois","shortCitationYear":2014,"referenceCode":"B14FOU01EHUS","lastModified":"2020-02-25T18:12:22.147815Z"},{"id":119796,"citation":"Frost, D. R. 1985. Amphibian species of the world. A taxonomic and geographical reference. 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