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Canadian Species at Risk

Table 7

Species assessed and designated in a "risk category" (Extirpated, Endangered, Threatened or Special Concern) (487 species), with range of occurrence (by province, territory or ocean), date of assessment and Legal Listing stage (SARA). For Extirpated species, the historical range of occurrence and the approximate date of disappearance from Canada are shown.

Extirpated (22)

Mammals (4)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
∆    ↔ Bear, Grizzly Ursus arctosPrairie populationAB SK MB1880sMay 20021
[]    ↔ Ferret, Black-footed Mustela nigripes AB SK MB1974May 20001
[]    ↔ Walrus, Atlantic Odobenus rosmarus rosmarusNorthwest Atlantic populationQC NB NS NL Atlantic Oceanmid 19th centuryMay 20001
[]    ↔ Whale, Grey Eschrichtius robustusAtlantic populationAtlantic Ocean before end of 1800sMay 20001

Birds (3)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
[]    ↔ Prairie-Chicken, Greater Tympanuchus cupido AB SK MB ONlast reported in 1987 in SaskatchewanMay 20001
[]    ↔ Sage-Grouse phaios subspecies, Greater Centrocercus urophasianus phaios BCnot observed since 1960sMay 20001

Reptiles (4)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
∆  Gophersnake, Pacific Pituophis catenifer catenifer BCnot observed since 1957May 20021
[]    ↔ Lizard, Pigmy Short-horned Phrynosoma douglasiiBritish Columbia populationBClast reported in 1898, near Osoyoos, BCMay 20001
∆  Rattlesnake, Timber Crotalus horridus ON1941May 20011
∆  Turtle, Pacific Pond Actinemys marmorata BCnot observed since 1959May 20021

Amphibians (1)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
∆  Salamander, Tiger Ambystoma tigrinumGreat Lakes populationON1915November 20011

Fishes (3)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
∆  Bass, Striped Morone saxatilisSt. Lawrence Estuary populationQC Atlantic OceanLast recorded in 1968.November 2004**
[]    ↔ Chub, Gravel Erimystax x-punctatus ONlast reported in 1958, Thames River drainageMay 20001
[]    ↔ Paddlefish Polyodon spathula ON1917May 20001

Arthropods (3)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
[]    ↔ Blue, Karner Lycaeides melissa samuelis ON1991May 20001
[]    ↔ Elfin, Frosted Callophrys [Incisalia] irus ON1988May 20001
[]    ↔ Marble, Island Euchloe ausonides BCbefore 1910May 20001

Molluscs (2)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
∆  Snail, Puget Oregonian Cryptomastix devia BCnot observed since 1905November 20021
[]    ↔ Wedgemussel, Dwarf Alasmidonta heterodon NB1968May 20001

Vascular Plants (2)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
[]    ↔ Spring Blue-eyed Mary Collinsia verna ONnot observed since 1954May 20001
[]    ↔ Tick-trefoil, Illinois Desmodium illinoense ONnot observed since 1888May 20001

Mosses (1)

Taxon/ Assessment DetailsCommon NameScientific NamePopulation NameHistorical Range of OccurrenceExtirpation DateAssessment DateSARA
∆  Moss, Incurved Grizzled Ptychomitrium incurvum ON1828November 20021