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Canadian Species at Risk (November 2001)

List 1. Species designated in the five "risk" categories, with geographical occurrence (by province / territory / ocean) and year of designation. For extinct and extirpated species, the approximate date of disappearance is indicated and geographical occurrence is based on historical distribution records.

EXTINCT CATEGORY (12)
Taxon/ Assessment Details

Common

Name

Scientific

Name

Population Name

Historical

Range of Occurrence

Extinction DateExamination Date
Mammals (2)
∆    ↔Caribou Dawson's
subspecies, Woodland
Rangifer tarandus dawsoni BC1920sMay 2000
2   ↔Mink, SeaMustela macrodon Atlantic coastal waters1894May 2000
Birds (3)
2   ↔Auk, GreatPinguinus impennis QC NB NS NF1844May 2000
2   ↔Duck, LabradorCamptorhynchus labradorius QC NB NS NF1875May 2000
2   ↔Pigeon, PassengerEctopistes migratorius SK MB ON QC NB NS PE1914May 2000
Reptiles (0)
Amphibians (0)
Fishes (6)
2   ↔Cisco, DeepwaterCoregonus johannae ON1952May 2000
2   ↔Cisco, LongjawCoregonus alpenae ON1975May 2000
2   ↔Dace, Banff LongnoseRhinichthys cataractae smithi AB1986May 2000
2   ↔Stickleback, Benthic Hadley LakeGasterosteus sp. BC1999May 2000
2   ↔Stickleback, Limnetic Hadley LakeGasterosteus sp. BC1999May 2000
2   ↔Walleye, BlueStizostedion vitreum glaucum ON1965May 2000
Arthropods (0)
Molluscs (1)
2   ↔Limpet, EelgrassLottia alveus alveus QC NS NF1929May 2000
Vascular Plants (0)
Mosses (0)
Lichens (0)

 

EXTIRPATED CATEGORY (17)
Taxon/ Assessment Details

Common

Name

Scientific

Name

Population Name

Historical

Range of Occurrence

Extirpation DateExamination Date
Mammals (4)
2   ↔Bear, GrizzlyUrsus arctosPrairie populationAB SK MB1880sMay 2000
2   ↔Ferret, Black-footedMustela nigripes AB SK MB1974May 2000
2   ↔Walrus, AtlanticOdobenus rosmarus rosmarusNorthwest Atlantic
population
Atlantic Oceanmid 19th
century
May 2000
2   ↔Whale, GreyEschrichtius robustusAtlantic populationAtlantic Oceanbefore end of
1800s
May 2000
Birds (2)
2   ↔Grouse, SageCentrocercus urophasianus
phaios
British Columbia
population
BCnot observed
since 1960s
May 2000
2   ↔Prairie-Chicken, GreaterTympanuchus cupido AB SK MB ONlast reported in
1987 in
Saskatchewan
 
Reptiles (2)
2   ↔Lizard, Pygmy
Short-horned
Phrynosoma douglassii
douglassii
British Columbia
population
BClast reported in
1898, near
Osoyoos, BC
May 2000
Rattlesnake, TimberCrotalus horridus ON1941May 2001
Amphibians (1)
1Salamander, TigerAmbystoma tigrinumGreat Lakes
population
ON Nov 2001
Fishes (2)
2   ↔Chub, GravelErimystax x-punctatus ONlast reported in
1958, Thames
River drainage
May 2000
2   ↔PaddlefishPolyodon spathula ON1917May 2000
Lepidopterans (3)
2   ↔Blue, KarnerLycaeides melissa samuelis ON1991May 2000
2   ↔Elfin, FrostedCallophrys [Incisalia] irus ON1988May 2000
2   ↔Marble, IslandEuchloe ausonides BCbefore 1910May 2000
Molluscs (1)
2   ↔Wedgemussel, DwarfAlasmidonta heterodon NB1968May 2000
Plants (2)
2   ↔Spring blue-eyed MaryCollinsia verna ONnot observed
since 1954
May 2000
2   ↔Tick-trefoil, IllinoisDesmodium illinoense ONnot observed
since 1888
May 2000
Mosses (0)
Lichens (0)