{"elementGlobalId":106232,"circumscripConfidence":null,"classificationLevel":{"id":8,"classificationLevelNameEn":"Subspecies","classificationLevelNameEs":"Subespecie","classificationLevelNameFr":"Sous-espèce"},"classificationStatus":{"id":1,"classificationStatusDescEn":"Standard","classificationStatusDescEs":"Estándar","classificationStatusDescFr":"Standard"},"iucn":null,"nameCategory":{"id":1,"nameCategoryDescEn":"Vertebrate Animal","nameCategoryDescEs":"Animal vertebrado","nameCategoryDescFr":"Animal vertébré","nameTypeCd":"A","nameTypeDesc":"Zoological"},"rankMethodUsed":{"id":4,"rankMethodUsedDescEn":"Expertise without calculation","rankMethodUsedDescEs":null,"rankMethodUsedDescFr":null,"rankMethodUsedExternalDescEn":"Ranked by inspection","rankMethodUsedExternalDescEs":null,"rankMethodUsedExternalDescFr":null},"formattedScientificName":"<i>Rangifer tarandus dawsoni</i>","scientificName":"Rangifer tarandus dawsoni","scientificNameAuthor":"Thompson-Seton, 1900","primaryCommonName":"Dawson Caribou","relatedItisNames":null,"uniqueId":"ELEMENT_GLOBAL.2.106232","elcode":"AMALC04012","conceptRefFullCitation":"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.","conceptName":"<i>Rangifer tarandus dawsoni</i>","taxonomicComments":null,"roundedGRank":"TX","conservationStatusFactorsEditionDate":null,"conservationStatusFactorsEditionAuthors":null,"primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":162417,"classifConfidence":null,"nation":{"id":38,"nameEn":"Canada","nameEs":"Canadá","nameFr":"Canada","isoCode":"CA","region":"Canada"},"roundedNRank":"NX","elementSubnationals":[{"elementSubnationalId":400161,"subnation":{"id":61,"nameEn":"British Columbia","nameEs":"Columbia Británica","nameFr":"Colombie-Britannique","subnationCode":"BC","dnationId":38},"roundedSRank":"SX","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SX","speciesSubnational":{"elementSubnationalId":400161,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":2016,"nrank":"NX","speciesNational":{"elementNationalId":162417,"exotic":false,"native":true}}],"lastModified":"2026-10-02T21:47:40.554211Z","lastPublished":"2026-10-02T21:32:08.892226Z","promotionalDescription":null,"conceptLineageSummary":null,"nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.106232/Rangifer_tarandus_dawsoni","grankAdjustmentReasons":null,"grankChangeDate":"1991-05-16","grankReviewDate":"2016-04-04","grankReasons":"Dawson Caribou (<i>Rangifer tarandus dawsoni</i>) is endemic to British Columbia and was limited to Haida Gwaii. The last verified record was in 1908. Extinct by the 1920s.","grank":"G5TX","rankInfo":{"elementGlobalId":106232,"aooPercentGood":null,"enviromentalSpecificity":null,"intrinsicVulnerability":null,"longTermTrend":null,"numberEos":null,"numberGoodEos":null,"numberProtEos":null,"popSize":null,"rangeExtent":{"id":37,"rangeExtentDescEn":"Zero (no occurrences believed extant)","rangeExtentDescEs":"Cero (no se detecta presencia)","rangeExtentDescFr":"Zéro (aucune présence détectée)"},"shortTermTrend":null,"threatImpactAssigned":null,"rangeExtentComments":"This subspecies is endemic to British Columbia and was limited to Haida Gwaii.","areaOfOccupancy":null,"areaOfOccupancyComments":null,"numberEosComments":null,"popSizeComments":null,"viabilityComments":null,"threatImpactComments":null,"shortTermTrendComments":null,"longTermTrendComments":null,"inventoryNeeds":null,"numberProtEosComments":null,"protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":{"elementGlobalId":106232,"majorHabitat":{"id":3,"majorHabitatDescEn":"Terrestrial","majorHabitatDescEs":"Terrestre","majorHabitatDescFr":"Terrestre"},"nonMigrant":false,"localMigrant":false,"longDistanceMigrant":false,"mobilityMigrationComments":null,"foodHabitsComments":null,"animalPhenologyComments":null,"colonialBreeder":false,"length":null,"width":null,"weight":null,"animalPhenologies":[],"animalFoodHabits":[]},"occurrenceDelineations":[{"eoSpecsDetailId":1645,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"eoSpecGroupName":"Caribou","subtypes":"Calving area, Rutting area, Summer range","inferredExtentDistance":null,"inferredExtentNotes":"Not applicable; most herd boundaries are well enough known to be mapped without using an Inferred Extent feature.","minimumEoCriteria":"Evidence of historical presence, or current and likely recurring presence of a specific population (herd). Such evidence minimally includes collection or reliable observation and documentation of one or more individuals in appropriate habitat over several years.","mappingGuidance":"Individual occurrences should be mapped as multiple, adjacent polygons, each labeled with appropriate feature labels.","separationBarriers":null,"separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Occurrence separations should be based on populations that exhibit specific migration patterns, or on appropriate resource agency management units, rather than on specific prescribed distances.","separationJustification":"Some herd territories may be immediately adjacent to one another, and in some cases overlaps in EOs may occur, especially where the territory of one ecotype (e.g., 'barren ground' caribou) overlaps that of another ecotype (e.g., 'mountain' caribou).","versionDate":"2004-09-23","versionAuthor":"Cannings, S., and G. Hammerson","versionNotes":"This LUC record should be deleted. Need to ask programs to update existing EOs with one of the other LUC values.","lastModified":"2020-11-11T02:02:43.356119Z"},{"eoSpecsDetailId":156482,"locationUseClass":{"id":18,"locationUseClassDescEn":"Calving area","locationUseClassDescEs":"Zona de parto","locationUseClassDescFr":"Aire de mise bas","displayOrder":18},"eoSpecGroupName":"Caribou","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":"Not applicable; most population (herd) boundaries are well enough known to be mapped without using an Inferred Extent feature.","minimumEoCriteria":"Evidence of historical calving, or current and likely recurring calving of specific populations (herds). Such evidence minimally includes collection, or reliable observations of one or more calving events in appropriate habitat over a documented number of years. Or proxy evidence determined by accepted protocols from the appropriate resource agency such as locations with significant reduction in movements of collared females during calving season.","mappingGuidance":"For rapidly changing EOs, changes in calving ground location, map the most current delineations, documenting dates of applicability and store non-current delineations as source features un-assigned to EOs (e.g, independent Source Features) (or sub-EOs).","separationBarriers":"Fences and other barriers.","separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Occurrence separations should be based on populations (herds) that occupy specific calving sites, or on appropriate resource agency management units, rather than on specific prescribed distances. Overlapping EOs may occur where there is spatial overlap for different sub-species, ecotypes, or herds.","separationJustification":"Some population (herd) territories may be immediately adjacent to one another, and in some cases overlaps in EOs may occur, especially where the territory of one sub-species or ecotype (e.g., 'barren ground' caribou) overlaps that of another (e.g., 'mountain' caribou).","versionDate":"2020-10-30","versionAuthor":"Canadian EO Specifications Working Group","versionNotes":null,"lastModified":"2020-11-11T02:02:43.356119Z"},{"eoSpecsDetailId":156481,"locationUseClass":{"id":13,"locationUseClassDescEn":"Nonmigratory","locationUseClassDescEs":"No migratorio","locationUseClassDescFr":"Non migratrice","displayOrder":20},"eoSpecGroupName":"Caribou","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":"Not applicable; most population (herd) boundaries are well enough known to be mapped without using an Inferred Extent feature.","minimumEoCriteria":"Evidence of historical presence, or current and likely recurring presence of specific populations (herds). Such evidence minimally includes collection or reliable observations and documentation of one or more individuals in appropriate habitat over a documented number of years. These occurrence specifications are used for non-migratory populations of caribou.","mappingGuidance":"Mapping a population (herd) as an occurrence should take into account the concept of “wild by nature”, where only wild populations that contribute to biodiversity conservation should be mapped. This excludes the mapping of farmed or private populations. For rapidly changing EOs (for example for rapidly declining populations or changes in calving ground location), map the most current delineations, documenting dates of applicability and store non-current delineations as source features un-assigned to EOs (e.g., independent Source Features) or as sub-EOs.","separationBarriers":"Fences and other barriers.","separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Occurrence separations should be based on populations (herds) that occupy specific seasonal ranges, or on appropriate resource agency management units, rather than on specific prescribed distances. Overlapping EOs may occur where there is spatial overlap for different sub-species, ecotypes, or herds.","separationJustification":"Some population (herd) territories may be immediately adjacent to one another, and in some cases overlaps in EOs may occur, especially where the territory of one sub-species or ecotype (e.g., 'barren ground' caribou) overlaps that of another (e.g., 'mountain' caribou).","versionDate":"2020-10-30","versionAuthor":"Canadian EO Specifications Working Group","versionNotes":null,"lastModified":"2020-11-11T02:02:43.356119Z"},{"eoSpecsDetailId":156483,"locationUseClass":{"id":20,"locationUseClassDescEn":"Winter range","locationUseClassDescEs":null,"locationUseClassDescFr":null,"displayOrder":22},"eoSpecGroupName":"Caribou","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":"Not applicable; most population (herd) boundaries are well enough known to be mapped without using an Inferred Extent feature.","minimumEoCriteria":"Any area used traditionally in the over-wintering season. Evidence of historical presence, or current and likely recurring presence of specific populations (herds). Such evidence minimally includes collection or reliable observations and documentation of one or more individuals in appropriate habitat over a documented number of years.","mappingGuidance":"For rapidly changing EOs (for example rapidly declining populations), map the most current delineations, documenting dates of applicability and store non-current delineations as source features un-assigned to EOs (e.g., independent Source Features) (or sub-EOs).","separationBarriers":"Fences and other barriers.","separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Occurrence separations should be based on populations (herds) that occupy specific winter ranges, or on appropriate resource agency management units, rather than on specific prescribed distances. Overlapping EOs may occur where there is spatial overlap for different sub-species, ecotypes, or herds.","separationJustification":"Some population (herd) territories may be immediately adjacent to one another, and in some cases overlaps in EOs may occur, especially where the territory of one sub-species or ecotype (e.g., 'barren ground' caribou) overlaps that of another (e.g., 'mountain' caribou).","versionDate":"2020-10-30","versionAuthor":"Canadian EO Specifications Working Group","versionNotes":null,"lastModified":"2020-11-11T02:02:43.356119Z"},{"eoSpecsDetailId":156488,"locationUseClass":{"id":23,"locationUseClassDescEn":"Summer range","locationUseClassDescEs":null,"locationUseClassDescFr":null,"displayOrder":23},"eoSpecGroupName":"Caribou","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":"Not applicable; most population (herd) boundaries are well enough known to be mapped without using an Inferred Extent feature.","minimumEoCriteria":"Any area used traditionally in the summer season. Evidence of historical presence, or current and likely recurring presence of specific populations (herds). Such evidence minimally includes collection or reliable observations and documentation of one or more individuals in appropriate habitat over a documented number of years.","mappingGuidance":"For rapidly changing EOs (for example rapidly declining populations), map the most current delineations, documenting dates of applicability and store non-current delineations as source features un-assigned to EOs (e.g., independent Source Features) (or sub-EOs).","separationBarriers":"Fences and other barriers.","separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Occurrence separations should be based on populations (herds) that occupy specific summer ranges, or on appropriate resource agency management units, rather than on specific prescribed distances. Overlapping EOs may occur where there is spatial overlap for different sub-species, ecotypes, or herds.","separationJustification":"Some population (herd) territories may be immediately adjacent to one another, and in some cases overlaps in EOs may occur, especially where the territory of one sub-species or ecotype (e.g., 'barren ground' caribou) overlaps that of another (e.g., 'mountain' caribou).","versionDate":"2020-10-30","versionAuthor":"Canadian EO Specifications Working Group","versionNotes":null,"lastModified":"2020-12-05T01:33:01.999263Z"},{"eoSpecsDetailId":156489,"locationUseClass":{"id":24,"locationUseClassDescEn":"Spring migration route","locationUseClassDescEs":null,"locationUseClassDescFr":null,"displayOrder":24},"eoSpecGroupName":"Caribou","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":"Not applicable; most population (herd) boundaries are well enough known to be mapped without using an Inferred Extent feature.","minimumEoCriteria":"Any area used traditionally during the spring migration. Evidence of historical presence, or current and likely recurring presence of specific populations (herds). Such evidence minimally includes collection or reliable observations and documentation of one or more individuals in appropriate habitat over a documented number of years.","mappingGuidance":"For rapidly changing EOs (for example rapidly declining populations), map the most current delineations, documenting dates of applicability and store non-current delineations as source features un-assigned to EOs (e.g., independent source features) (or sub-EOs).","separationBarriers":"Fences and other barriers.","separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Occurrence separations should be based on populations (herds) that occupy specific spring migration routes, or on appropriate resource agency management units, rather than on specific prescribed distances. Overlapping EOs may occur where there is spatial overlap for different sub-species, ecotypes, or herds.","separationJustification":"Some population (herd) territories may be immediately adjacent to one another, and in some cases overlaps in EOs may occur, especially where the territory of one sub-species or ecotype (e.g., 'barren ground' caribou) overlaps that of another (e.g., 'mountain' caribou).","versionDate":"2020-10-30","versionAuthor":"Canadian EO Specifications Working Group","versionNotes":null,"lastModified":"2020-12-05T01:33:01.999263Z"},{"eoSpecsDetailId":156490,"locationUseClass":{"id":25,"locationUseClassDescEn":"Fall migration route","locationUseClassDescEs":null,"locationUseClassDescFr":null,"displayOrder":25},"eoSpecGroupName":"Caribou","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":"Not applicable; most population (herd) boundaries are well enough known to be mapped without using an Inferred Extent feature.","minimumEoCriteria":"Any area used traditionally during the fall migration. Evidence of historical presence, or current and likely recurring presence of specific populations (herds). Such evidence minimally includes collection or reliable observations and documentation of one or more individuals in appropriate habitat over a documented number of years.","mappingGuidance":"For rapidly changing EOs (for example rapidly declining populations), map the most current delineations, documenting dates of applicability and store non-current delineations as source features un-assigned to EOs (e.g., independent source features) (or sub-EOs).","separationBarriers":"Fences and other barriers.","separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Occurrence separations should be based on populations (herds) that occupy specific fall migration routes, or on appropriate resource agency management units, rather than on specific prescribed distances. Overlapping EOs may occur where there is spatial overlap for different sub-species, ecotypes, or herds.","separationJustification":"Some population (herd) territories may be immediately adjacent to one another, and in some cases overlaps in EOs may occur, especially where the territory of one sub-species or ecotype (e.g., 'barren ground' caribou) overlaps that of another (e.g., 'mountain' caribou).","versionDate":"2020-10-30","versionAuthor":"Canadian EO Specifications Working Group","versionNotes":null,"lastModified":"2020-12-05T01:33:01.999263Z"}],"plantCharacteristics":null,"elementManagement":{"elementGlobalId":106232,"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":107636,"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":"2020-05-14T02:30:57.873494Z"}],"references":[{"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"}],"otherCommonNames":[{"id":136398,"name":"Caribou de Dawson","language":"FR"},{"id":136400,"name":"Dawson's Caribou","language":"EN"},{"id":136399,"name":"Queen Charlotte Islands Caribou","language":"EN"}],"speciesGlobal":{"elementGlobalId":106232,"cites":null,"cosewic":{"id":1,"cosewicDescEn":"Extinct","cosewicDescEs":"Extinto","cosewicDescFr":"Disparue","cosewicCode":"X"},"fwsRegion":null,"genusSize":{"id":1,"genusSizeDescEn":"Monotypic genus","genusSizeDescEs":"Género monotípico","genusSizeDescFr":"Genre monotypique"},"jurisEndem":{"id":3,"jurisEndemDescEn":"endemic to a single nation","jurisEndemDescEs":"Endémico de una nación","jurisEndemDescFr":"Endémique à une nation"},"nomenclaturallyEst":null,"usesa":null,"informalTaxonomy":{"informalTaxonomyId":6,"level1":"Animals","level2":"Vertebrates","level3":"Mammals","level":3,"hasChildren":false,"parentId":2,"distributionStatus":"complete","displayOrder":1090},"parentSpecies":{"parentSpeciesId":103369,"uniqueId":"ELEMENT_GLOBAL.2.103369","formattedScientificName":"<i>Rangifer tarandus</i>","scientificName":"Rangifer tarandus","primaryCommonName":"Caribou","lastModified":"2020-02-25T18:12:59.57029Z","nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.103369/Rangifer_tarandus"},"infraspecies":true,"kingdom":"Animalia","phylum":"Craniata","taxclass":"Mammalia","taxorder":"Artiodactyla","family":"Cervidae","genus":"Rangifer","americanFisheriesStatus":null,"americanFisheriesStatusDate":null,"saraStatus":null,"saraStatusDate":null,"cosewicDate":"2000-05-01","interpretedCosewic":null,"cosewicComments":"Reason for designation: An island population that was limited to Haida Gwaii. The last verified record was in 1908.<br /><br />Status history: Extinct by the 1920s. Designated Extinct in April 1984. Status re-examined and confirmed in May 2000.","usesaDate":null,"interpretedUsesa":null,"usesaComments":null,"completeDistribution":true,"synonyms":[],"infraspeciesList":[],"ebarId":null,"ebarCanadianScope":null,"ebarGlobalScope":null,"ebarKbaGroup":"Mammals","caGeneralStatusId":null},"speciesCharacteristics":{"elementGlobalId":106232,"reproductionComments":null,"ecologyComments":null,"habitatComments":null,"generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[],"speciesRiverineHabitats":[],"speciesPalustrineHabitats":[],"speciesLacustrineHabitats":[],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"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"},"predecessors":[],"elementGlobalThreatAssessments":[]}