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Canadian Species at Risk - May 2001

Record of Status Re-Examinations

Acadian Flycatcher
Designated Endangered in April 1994. Status re-examined and confirmed in November 2000.
American Badger
Designated Not at Risk in April 1979. Original Canada-wide listing de-activated in May 2000 when the American Badger was split according to subspecies.
American Black Bear
Designated Not at Risk in April 1998. Status re-examined and confirmed in April 1999.
American Ginseng
Designated Threatened in April 1988. Status re-examined and uplisted to Endangered in April 1999. Status re-examined and confirmed Endangered in May 2000.
American Marten (Newfoundland population)
Designated Not at Risk in April 1979. Status re-examined and uplisted to Threatened in April 1986. Status re-examined and uplisted to Endangered in April 1996. Status re-examined and confirmed Endangered in May 2000.
American Water-willow
Designated Threatened in April 1984. Status re-examined and confirmed in May 2000.
American White Pelican
Designated Threatened in April 1978. Status re-examined and de-listed (Not at Risk) in April 1987.
Anatum Peregrine Falcon
Designated Endangered in April 1978. Status re-examined and downlisted to Threatened in April 1999. Status re-assessed and confirmed Threatened in May 2000.
Anticosti Aster
Designated Threatened in April 1990. Status re-examined and confirmed in May 2000.
Apple Moss
Designated Threatened in April 1997. Status re-examined and uplisted to Endangered in May 2000.
Athabasca Thrift
Designated Threatened in April 1981. Status re-examined and downlisted to Special Concern in April 1999.
Atlantic Walrus (Northwest Atlantic population)
Extirpated around 1850. Designated Extirpated in April 1987. Status confirmed in May 2000.
Atlantic Whitefish
Designated Endangered in April 1984. Status re-examined and confirmed in November 2000.
Aurora Trout
Designated Endangered in April 1987. Status re-examined and confirmed in May 2000.

Baird's Sparrow
Designated Threatened in April 1989. Status re-examined and de-listed (Not at Risk) in April 1996.
Banff Longnose Dace
Extinct since 1986. Designated Extinct in April 1987. Status confirmed in May 2000.
Banff Springs Snail
Designated Threatened in April 1997. Status re-examined and uplisted to Endangered in May 2000.
Barn Owl
Canadian range was considered as a whole when the Barn Owl was designated as Special Concern in April 1984. In April 1999, COSEWIC assessed the Western and Eastern populations of this species separately. The original listing for the Canadian range of the Barn Owl was de-activated.
Barn Owl (Eastern population)
Canadian range was considered as a whole when the Barn Owl was designated as Special Concern in April 1984. In April 1999, COSEWIC assessed the Western and Eastern populations of this species separately. The Eastern population was
designated Endangered. Status re-examined and confirmed in May 2000.
Bashful Bulrush
Designated Special Concern in April 1986. Status re-examined and uplisted to Endangered in May 2000.
Bearded Owl-clover
Designated Endangered in April 1998. Status re-examined and confirmed in May 2000.
Beluga Whale (St. Lawrence River population)
Designated Endangered in April 1983. Status re-examined and confirmed in April 1997.
Benthic Hadley Lake Stickleback
Extinct in 1999. Designated Extinct in April 1999. Status confirmed in May 2000.
Benthic Paxton Lake Stickleback
Designated Threatened in April 1998. Status re-examined and confirmed in April 1999. Status re-examined and uplisted to Endangered in May 2000.
Benthic Vananda Creek Stickleback
Designated Threatened in April 1999. Status re-examined and uplisted to Endangered in May 2000.
Black Rat Snake
Designated Threatened in April 1998. Status re-examined and confirmed in May 2000.
Black Tern
Designated Not at Risk in April 1988. Status re-examined and confirmed in April 1996.
Black-footed Ferret
Extirpated by 1974. Designated Extirpated in April 1978. Status confirmed in May 2000.
Black-tailed Prairie Dog
Designated Special Concern in April 1978. Status re-examined and confirmed Special Concern in April 1988, April 1999 and in November 2000.
Blackstripe Topminnow
Designated Special Concern in April 1985. Status re-examined and confirmed in May 2001.
Blue Ash
Designated Threatened in April 1983. Status re-examined and downlisted to Special Concern in November 2000.
Blue Walleye
Extinct since 1965. Designated Extinct in April 1985. Status confirmed in May 2000.
Blue-eyed Mary
No site records since 1954. Designated Extirpated in April 1987. Extirpated status confirmed in May 2000.
Bluehearts
Designated Threatened in April 1985. Status re-examined and uplisted to Endangered in April 1998. Status re-examined and confirmed in May 2000.
Blunt-lobed Woodsia
Designated Threatened in April 1994. Status re-examined and uplisted to Endangered in May 2000.
Bowhead Whale (Eastern and Western Arctic Populations)
Designated Endangered in April 1980. Split into two populations (Eastern Arctic and Western Arctic) to allow a separate designation for the Western Arctic population in April 1986. Original listing was de-activated.
Brindled Madtom
Designated Special Concern in April 1985. Status re-examined and de-listed (Not at Risk) in May 2001.
Burrowing Owl
Designated Threatened in April 1979. Status re-examined and confirmed in April 1991. Status re-examined and uplisted to Endangered in April 1995. Status reexamined and confirmed Endangered in May 2000.

Canada Lynx
Designated Not at Risk in April 1989. Status re-examined and confirmed in May 2001.
Caspian Tern
Designated Special Concern in April 1978. Status re-examined and de-listed (Not at Risk) in April 1999.
Central Stoneroller
Designated Special Concern in 1985. Status re-examined and de-listed (Not at Risk) in 1998.
Colicroot
Designated Threatened in April 1988. Status re-examined and confirmed in November 2000.
Cooper's Hawk
Designated Special Concern in April 1983. Status re-examined and de-listed (Not at Risk) in April 1996.
Cougar (Eastern population)
Designated Endangered in April 1978. Status re-examined in April 1998 and designated Data Deficient.
Cowichan Lake Lamprey
Designated Special Concern in April 1986. Status re-examined and confirmed in April 1998. Status re-examined and uplisted to Threatened in November 2000.
Cucumber Tree
Designated Endangered in April 1984. Status re-examined and confirmed Endangered in April 1999 and in May 2000.
Cultus Pygmy Sculpin
Designated Special Concern in April 1997. Status re-examined and uplisted to Threatened in November 2000.

Deepwater Cisco
Extinct since 1952. Designated Extinct in April 1988. Status confirmed in May 2000.
Deerberry
Designated Threatened in April 1994. Status re-examined and confirmed in November 2000.
Deltoid Balsamroot
Designated in April 1996 Endangered. Status re-examined and confirmed Endangered in May 2000.
Dense Blazing Star
Designated Special Concern in April 1988. Status re-examined and uplisted to Threatened in May 2001.
Drooping Trillium
Designated Endangered in April 1996. Status re-assessed and confirmed in May 2000.
Dwarf Wedgemussel
Extirpated by 1968. Designated Extirpated in April 1999. Status confirmed in May 2000.

Eastern Bluebird
Designated Special Concern in April 1984. Status re-examined and de-listed (Not at Risk) in April 1996.
Eastern Fox Snake
Designated Threatened in April 1999. Status re-examined and confirmed in May 2000.
Eastern Loggerhead Shrike
Entire Canadian range designated as Threatened in April 1986. Split according to subspecies in April 1991. The migrans subspecies was uplisted to Endangered in April 1991. Status re-examined and confirmed in November 2000.
Eastern Mole
Designated Special Concern in April 1980. Status re-examined and confirmed Special Concern in April 1998 and in November 2000.
Eastern Mountain Avens
Designated Endangered in April 1986. Status re-examined and confirmed Endangered in April 1999 and May 2000.
Eastern Prickly Pear Cactus
Designated Endangered in April 1985. Status re-examined and confirmed Endangered in April 1998 and in May 2000.
Eastern Sand Darter
Designated Threatened in April 1994. Status re-examined and confirmed in November 2000.
Eastern Wolf
Designated Data Deficient in April 1999. Status re-examined in May 2001 and designated Special Concern.
Eastern Yellow-breasted Chat
Designated Special Concern in April 1994. Status re-examined and confirmed in November 2000.
Eelgrass Limpet
Extinct since 1929. Designated Extinct in April 1996. Status re-examined and confirmed in May 2000.
Engelmann's Quillwort
Designated Endangered in April 1992. Status re-examined and confirmed in May 2001.
Ermine haidarum subspecies
Designated Special Concern in April 1984. Status re-examined and uplisted to Threatened in May 2001.
Eskimo Curlew
Designated Endangered in April 1978. Status re-examined and confirmed Endangered in May 2000.

False Hop Sedge
Designated Threatened in April 1997. Status re-examined and uplisted to Endangered in May 2000.
Fernald's Braya
Designated Threatened in April 1997. Status re-examined and confirmed in May 2000.
Ferruginous Hawk
Designated Threatened in April 1980. Status re-examined and downlisted to Special Concern in April 1995.
Flammulated Owl
Designated Special Concern in April 1988. Status re-examined and confirmed Special Concern in April 1999.
Fowler's Toad
Designated Special Concern in April 1986. Status re-examined and uplisted to Threatened in April 1999. Status re-examined and confirmed in November 2000.
Frosted Elfin
Extirpated by 1988. Designated Extirpated in April 1999. Status confirmed in May 2000.
Furbish's Lousewort
Designated Endangered in April 1980. Status re-examined and confirmed Endangered in April 1998 and in May 2000.

Gattinger's Agalinis
Designated Endangered in April 1988. Status re-examined and confirmed in April 1999 and in May 2001.
Giant Helleborine
Designated Threatened in April 1984. Status re-examined and downlisted to Special Concern in April 1998.
Golden Crest
Designated Threatened in April 1987. Status re-examined and confirmed Threatened in April 1999 and in May 2000.
Golden Eagle
Designated Not at Risk in April 1987. Status re-examined and confirmed in April 1996.
Golden Paintbrush
Designated Threatened in April 1995. Status re-examined and uplisted to Endangered in May 2000.
Goldenseal
Designated Threatened in April 1991. Status re-examined and confirmed in May 2000.
Gravel Chub
Last recorded in Thames River drainage, ON in 1958. Designated Endangered in April 1985. Status re-examined and uplisted to Extirpated in April 1987. Extirpated status confirmed in May 2000.
Great Auk
Believed to be Extinct since 1844. Designated in April 1985 based on historic records only. Status report prepared and approved by COSEWIC in 1994. Status confirmed in May 2000.
Great Grey Owl
Designated Special Concern in April 1979. Status re-examined and confirmed in April 1990. Status re-examined and de-listed (Not at Risk) in April 1996.
Greater Prairie-Chicken
Last reported in 1987. Designated Endangered in April 1978. Status re-examined and uplisted to Extirpated in April 1990. Status re-confirmed in May 2000.
Grey Whale (Atlantic population)
Extirpated before the end of the 1800's. Designated Extirpated in April 1987. Status confirmed in May 2000.
Grizzly Bear (Prairie population)
Canadian range considered as one population and designated Not at Risk in April 1979. Split into two populations in April 1991 (Prairie population and [non-prairie population]). Prairie population designated Extirpated in April 1991. The species
disappeared from the prairies in the 1880s. Status confirmed in May 2000.
Grizzly Bear
Canadian range considered as one population and designated Not at Risk in April 1979. Split into two populations in April 1991 (Prairie population and [non-prairie population]). Original listing for "Grizzly Bear" across Canada de-activated.
Gyrfalcon
Designated Not at Risk in April 1978. Status re-examined and confirmed in April 1987.

Hairy Prairie-clover
Designated Threatened in April 1998. Status re-examined and confirmed in May 2000.
Harbour Porpoise (Northwest Atlantic population)
Designated Threatened in April 1990. Status re-examined and confirmed in April 1991.
Harlequin Duck (Eastern population)
The Eastern population was designated Endangered in April 1990. Status re-examined and downlisted to Special Concern in May 2001.
Heart-leaved Plantain
Designated Endangered in April 1985. Status re-examined and confirmed Endangered in April 1998 and in May 2000.
Henslow's Sparrow
Designated Threatened in April 1984. Status re-examined and uplisted to Endangered in April 1993. Status re-examined and confirmed in November 2000.
Hoary Mountain-mint
Designated Endangered in April 1986. Status re-examined and confirmed Endangered in April 1998 and in May 2000.
Hooded Warbler
Designated Threatened in April 1994. Status re-examined and confirmed in November 2000.
Hotwater Physa
Designated Endangered in April 1998. Status re-examined and confirmed in May 2000.
Humpback Whale (Western North Atlantic and North Pacific populations)
The "Western North Atlantic and North Pacific populations" were given a single designation of Threatened in April 1982. Split into two populations in April 1985 (Western North Atlantic population and North Pacific population). Original listing was
de-activated.

Illinois Tick-trefoil
No site records since 1888. Designated Extirpated in April 1991. Extirpated status confirmed in May 2000.
"Ipswich" Savannah Sparrow
Designated Special Concern in April 1979. Status re-examined and confirmed Special Concern in May 2000.
Island Marble
Extirpated by 1910. Designated Extirpated in April 1999. Status confirmed in May 2000.
Ivory Gull
Designated Special Concern in April 1979. Status re-examined and confirmed in April 1996.

Juniper Sedge
Designated Endangered in April 1999. Status re-examined and confirmed in May 2000.

Karner Blue
Has not been observed since 1991. Designated Extirpated in April 1997. Extirpated status confirmed in May 2000.
Kentucky Coffee-tree
Designated Threatened in April 1983. Status re-examined and confirmed in November 2000.
King Rail
Designated Special Concern in April 1985. Status re-examined and uplisted to Endangered in April 1994. Status re-examined and confirmed in November 2000.
Kirtland's Warbler
Designated Endangered in April 1979. Status re-examined and confirmed in April 1999 and in May 2000.

Labrador Duck
Believed to be Extinct since 1875. Designated in April 1985 based on historic records only. Status report prepared and approved by COSEWIC in 1994. Status confirmed in May 2000.
Lake Utopia Dwarf Smelt
Designated Threatened in April 1998. Status re-examined and confirmed in May 2000.
Lake Whitefish (Mira River population)
Designated Data Deficient in April 1999 and in November 2000.
Large Whorled Pogonia
Designated Endangered in April 1986. Status re-examined and confirmed Endangered in April 1998 and in May 2000.
Least Bittern
Designated Special Concern in April 1988. Status re-examined and confirmed in April 1999.
Leatherback Turtle
Designated Endangered in April 1981. Status re-examined and confirmed in May 2001.
Limnetic Hadley Lake Stickleback
Extinct in 1999. Designated Extinct in April 1999. Status confirmed in May 2000.
Limnetic Paxton Lake Stickleback
Designated Threatened in April 1998. Status re-examined and confirmed in April 1999. Status re-examined and uplisted to Endangered in May 2000.
Limnetic Vananda Creek Stickleback
Designated Threatened in April 1999. Status re-examined and uplisted to Endangered in May 2000.
Loggerhead Shrike
Entire Canadian range was designated as Threatened in April 1986. The excubitorides and the migrans subspecies were designated separately in April 1991, and the original listing was de-activated.
Long's Braya
Designated Endangered in April 1997. Status re-examined and confirmed in May 2000.
Long-tailed Weasel (Prairie population)
Designated Threatened in April 1982. Status re-examined and de-listed (Not at Risk) in April 1993.
Longjaw Cisco
Extinct since 1975. Designated Extinct in April 1985. Status confirmed in May 2000.
Louisiana Waterthrush
Designated Special Concern in April 1991. Status re-examined and confirmed in April 1996.

Marbled Murrelet
Designated Threatened in April 1990. Status re-examined and confirmed in November 2000.
Maritime Ringlet
Designated Endangered in April 1997. Status re-examined and confirmed in May 2000.
Mexican Mosquito Fern
Designated Threatened in April 1984. Status re-examined and confirmed in April 1998 and in May 2000.
Morrison Creek Lamprey
Designated Threatened in April 1999. Status re-examined and uplisted to Endangered in May 2000.
Mountain Beaver
Designated Not at Risk in April 1984. Status re-examined and uplisted to Special Concern in April 1999.
Mountain Plover
Designated Endangered in April 1987. Status re-examined and confirmed November 2000.

Narwhal
Designated Not at Risk in April 1986. Status re-examined and confirmed in April 1987.
Nodding Pogonia
Designated Threatened in April 1988. Status re-examined and uplisted to Endangered in April 1999. Status re-examined and confirmed Endangered in May 2000.
Nooksack Dace
Designated Endangered in April 1996. Status re-examined and confirmed in May 2000.
Northern Abalone
Designated Threatened in April 1999. Status re-examined and confirmed in May 2000.
Northern Cricket Frog
Designated Endangered in April 1990. Status re-examined and confirmed in May 2001.
Northern Leopard Frog (Southern Mountain population)
Designated Endangered in April 1998. Status re-examined and confirmed in May 2000.
Northern Madtom
Examined in April 1993 and placed in the Data Deficient category. Re-examined in April 1998 and designated Special Concern.
Northern Riffleshell
Designated Endangered in April 1999. Status re-examined and confirmed in May 2000.
Northern Spotted Owl
Designated Endangered in April 1986. Status re-examined and confirmed in April 1999 and in May 2000.
Nuttall's Cottontail (Prairie population)
Designated Not at Risk in 1994. Status re-examined and confirmed in April 1994.

Oregon Spotted Frog
Designated Endangered in an emergency listing in November 1999. Status reexamined and confirmed in May 2000.

Pacific Giant Salamander
Designated Special Concern in April 1989. Status re-examined and uplisted to Threatened in November 2000.
Pacific Water Shrew
Designated Threatened in April 1994. Status re-examined and confirmed Threatened in May 2000.
Paddlefish
Disappeared from Canada in approximately 1917. Designated Extirpated in April 1987. Status confirmed in May 2000.
Pallid Bat
Designated Special Concern in April 1988. Status re-examined and uplisted to Threatened in May 2000.
Passenger Pigeon
Believed to be Extinct since 1914. Designated in April 1985 based on historic records only. Status report prepared and approved by COSEWIC in 1994. Status confirmed in May 2000.
Peale's Peregrine Falcon
Designated Special Concern in April 1978. Status re-examined and confirmed in April 1999.
Peary Caribou
The Canadian range of the Peary Caribou was considered as a whole in April 1979 and designated Threatened. In April 1991, the population was split to allow designation of three separate populations (Banks Island, High Arctic and Low Arctic
populations). The original listing was de-activated.
Phantom Orchid
Designated Special Concern in April 1992. Status re-examined and uplisted to Threatened in May 2000.
Pink Coreopsis
Designated Endangered in April 1984. Status re-examined and confirmed Endangered in April 1999 and in May 2000.
Pink Milkwort
Designated Endangered in April 1984. Status re-examined and confirmed Endangered in April 1998 and in May 2000.
Piping Plover
Entire Canadian population designated Threatened in April 1978. Status re-examined and uplisted to Endangered in April 1985. In May 2001, the species was re-examined and split into two groups according to subspecies. The melodus subspecies and circumcinctus subspecies were each was designated Endangered in May 2001. The original listing for the entire Canadian population was de-activated.
Pitcher's Thistle
Designated Threatened in April 1988. Status re-examined and uplisted to Endangered in April 1999. Status re-examined and confirmed Endangered in May 2000.
Plains Pocket Gopher
Designated Special Concern in April 1979. Status re-examined and de-listed (Not at Risk) in April 1998.
Plymouth Gentian
Designated Threatened in April 1984. Status re-examined and confirmed in April 1999 and in May 2000.
Polar Bear
Designated Not at Risk in April 1986. Status re-examined and uplisted to Special Concern in April 1991. Status re-examined and confirmed as Special Concern in April 1999.
Prairie Falcon
Designated Not at Risk in April 1978. Status re-examined and confirmed in April 1982 and in April 1996.
Prairie Lupine
Designated Endangered in April 1996. Status re-examined and confirmed in May 2000.
Prairie Warbler
Designated Special Concern in April 1985. Status re-examined and de-listed (Not at Risk) in April 1999.
Prothonotary Warbler
Designated Special Concern in April 1984. Status re-examined and uplisted to Endangered in April 1996. Status re-examined and confirmed in May 2000.
Pugnose Minnow
Designated Special Concern in April 1985. Status re-examined and confirmed in May 2000.
Purple Twayblade
Designated Threatened in April 1989. Status re-examined and uplisted to Endangered in April 1999. Status re-examined and confirmed as Endangered in May 2001.
Pygmy Short-horned Lizard (British Columbia population)
Last reported in 1898. Designated Extirpated in April 1992. Status confirmed in May 2000.

Queen Charlotte Goshawk
Designated Special Concern in April 1995. Status re-examined and uplisted to Threatened in November 2000.
Queen Snake
Designated Threatened in April 1999. Status re-examined and confirmed in May 2000.

Rayed Bean
Designated Endangered in April 1999. Status re-examined and confirmed in May 2000.
Red Mulberry
Designated Threatened in April 1987. Status re-examined and uplisted to Endangered in April 1999. Status re-examined and confirmed Endangered in May 2000.
Red-shouldered Hawk
Designated Special Concern in April 1983. Status re-examined and confirmed in April 1996.
Redroot
Designated Threatened in April 1994. Status re-examined and confirmed in May 2000.
Right Whale
Designated Endangered in 1980. Status re-examined and confirmed Endangered in April 1985 and in April 1990.
River Redhorse
Designated Special Concern in April 1983. Status re-examined and confirmed in April 1987.
Roseate Tern
Designated Threatened in April 1986. Status re-examined and uplisted to Endangered in April 1999. Endangered status re-examined and confirmed in October 1999.
Ross' Gull
Designated Special Concern in April 1981. Status re-examined and confirmed in April 1996.
Round-leaved Greenbrier (Great Lakes Plains population)
Designated Threatened in April 1994. Status re-examined and confirmed in May 2001.

Sage Grouse (British Columbia population)
Has not been reported since the 1960's. Designated Extirpated in April 1997. Extirpated status confirmed in May 2000.
Sage Grouse (Prairie population)
Given conditional designation of Threatened in April 1997. Status re-examined and uplisted to Endangered in April 1998 based on a revised status report. Status re-examined confirmed Endangered in May 2000.
Sage Thrasher
Designated Endangered in April 1992. Status re-examined and confirmed in November 2000.
Scarlet Ammannia
Designated Endangered in April 1999. Status re-examined and confirmed in May 2001.
Sea Mink
Believed Extinct since 1894. Designated Extinct in April 1986. Status confirmed in May 2000.
Sea Otter
Designated Endangered in April 1978. Status re-examined and confirmed Endangered in April 1986. Status re-examined and downlisted to Threatened in April 1996. Status re-examined and confirmed Threatened in May 2000.
Seaside Birds-foot Lotus
Designated Endangered in April 1996. Status re-examined and confirmed in May 2000.
Seaside Centipede
Designated Endangered in April 1996. Status re-examined and confirmed in May 2000.
Sharp-shinned Hawk
Designated Not at Risk in April 1986. Status re-examined and confirmed in April 1997.
Sharp-tailed Snake
Designated Endangered in April 1999. Status re-examined and confirmed in October 1999.
Shorthead Sculpin
Designated Threatened in April 1984. Status re-examined and confirmed Threatened in May 2001.
Showy Goldenrod
Designated Endangered in April 1999. Status re-examined and confirmed in May 2000.
Shumard Oak
Designated Special Concern in April 1984. Status re-examined and confirmed in April 1999.
Silver Chub
Designated Special Concern in April 1985. Status re-examined and confirmed in May 2001.
Silver Shiner
Designated Special Concern in April 1983. Status re-examined and confirmed in April 1987.
Skinner's Agalinis
Designated Endangered in April 1988. Status re-examined and confirmed Endangered in April 1999 and in May 2000.
Slender Bush-clover
Designated Endangered in April 1986. Status re-examined and confirmed Endangered in April 1999 and in May 2000.
Slender Mouse-ear-cress
Designated Endangered in April 1992. Status re-examined and downlisted to Threatened in May 2000.
Small White Lady's-slipper
Designated Endangered in April 1981. Status re-examined and confirmed in April 1999 and in May 2000.
Small Whorled Pogonia
Designated Endangered in April 1982. Status re-examined and confirmed in April 1998 and in May 2000.
Soapweed
Designated Special Concern in April 1985. Status re-examined and uplisted to Threatened in May 2000.
Southern Maidenhair Fern
Designated Endangered in April 1984. Status re-examined and confirmed in April 1998 and in May 2000.
Spotted Gar
Designated Special Concern in April 1983. Status re-examined and confirmed Special Concern in April 1994. Status re-examined and uplisted to Threatened in November 2000.
Spotted Sucker
Designated Special Concern in April 1983. Status re-examined and confirmed in April 1994.
Spotted Wintergreen
Designated Endangered in April 1987. Status re-examined and confirmed Endangered in April 1998 and in May 2000.
Sprague's Pipit
Designated Threatened in April 1999. Status re-examined and confirmed in May 2000.
Sweet Pepperbush
Designated Threatened in April 1986. Status re-examined and confirmed in April 1998. Status re-examined and downlisted to Special Concern in May 2001.
Swift Fox
Last seen in Saskatchewan in 1928. Designated Extirpated in April 1978. Status re-examined and downlisted to Endangered in April 1998 after successful reintroductions. Status re-examined and confirmed Endangered in May 2000.

Thread-leaved Sundew
Designated Endangered in April 1991. Status re-examined and confirmed in May 2001.
Tiny Cryptanthe
Designated Endangered in April 1998. Status re-examined and confirmed in May 2000.
Toothcup
Designated Endangered in April 1999. Status re-examined and confirmed in May 2000.
Trumpeter Swan
Designated Special Concern in April 1978. Status re-examined and de-listed (Not at Risk) in April 1996.
Tuberous Indian-plantain
Designated Special Concern in April 1988. Status re-examined and confirmed in April 1999.
Tundra Peregrine Falcon
Designated Threatened in April 1978. Status re-examined and downlisted to Special Concern in April 1992.
Tyrrell's Willow
Designated Threatened in April 1981. Status re-examined and de-listed (Not at Risk) in April 1999.

Vancouver Island Marmot
Designated Endangered in April 1978. Status re-examined and confirmed Endangered in April 1997 and in May 2000.
Virginia Goat's-rue
Designated Threatened in April 1996. Status re-examined and uplisted to Endangered in May 2000.

Water-pennywort
Designated Endangered in April 1985. Status re-examined and downlisted to Threatened in April 1999. Status re-examined and confirmed Threatened in May 2000.
Water-plantain Buttercup
Designated Endangered in April 1996. Status re-examined and confirmed in May 2000.
Wavy-rayed Lampmussel
Designated Endangered in April 1999. Status re-examined and confirmed in October 1999.
Western Blue-flag
Designated Threatened in April 1990. Status re-examined and confirmed in May 2000.
Western Prairie Fringed Orchid
Designated Endangered in April 1993. Status re-examined and confirmed in May 2000.
Western Silver-leaved Aster
Designated Special Concern in 1988. Status re-examined and uplisted to Threatened in May 2000.
Western Yellow-breasted Chat (Prairie population)
The Prairie population of the auricollis subspecies was designated Not at Risk in April 1994. Status re-examined and confirmed in November 2000.
Western Yellow-breasted Chat (British Columbia population)
The British Columbia population of the auricollis subspecies was designated Threatened in April 1994. Status re-examined and uplisted to Endangered in November 2000.
White Prairie Gentian
Designated Endangered in April 1991. Status re-examined and confirmed in May 2001.
White-headed Woodpecker
Designated Threatened in April 1992. Status re-examined and uplisted to Endangered in November 2000.
White-top Aster
Designated Threatened in April 1996. Status re-examined and confirmed in May 2000.
Whooping Crane
Designated Endangered in April 1978. Status re-examined and confirmed in November 2000.
Wolverine
Canadian range considered as one population in April 1982 and designated Special Concern. Split into two populations in April 1989 (Western and Eastern populations). Original listing was de-activated.
Wood Bison
Designated Endangered in April 1978. Status re-examined and downlisted to Threatened in April 1988. Status re-examined and confirmed Threatened in May 2000.
Wood-poppy
Designated Endangered in April 1993. Status re-examined and confirmed in May 2000.
Woodland Caribou (Atlantic-Gaspésie population)
Atlantic-Gaspésie population designated as Threatened in April 1984. Status reexamined and uplisted to Endangered in May 2000.
Woodland Caribou (Labrador-Ungava population)
Labrador-Ungava population designated Not at Risk in April 1984. Labrador-Ungava population de-activated in May 2000.
Woodland Caribou (Western population)
Western population designated Special Concern in April 1984. Western population deactivated in May 2000. Former Western population is contained within the following newly designated populations: Northern Mountain, Southern Mountain, Boreal.
Woodland Caribou (Newfoundland population)
Newfoundland population designated Not at Risk in April 1984. Status re-examined and confirmed in May 2000.
Woodland Caribou Dawson's subspecies
Extinct by the 1920's. Designated Extinct in April 1984. Status confirmed in May 2000.

Yellow Montane Violet
Designated Threatened in April 1995. Status re-examined and confirmed in May 2000.