canada’s endangered species. canada’s endangered species there are more than 256 species of...
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Canada’s Endangered Species
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Canada’s endangered species
There are more than 256 species of plants and animals at various degrees of risk and 13 species are already extinct.
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Classification of At-Risk Species
EXTINCT: a species that is no longer found anywhere– Ex: Blue walleye,
the last fish of this species was taken from Lake Erie in 1965
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Classification of At-Risk Species
ENDANGERED: a species that is close to extinction in all parts of Canada or in a significantly large location– Ex: Whooping crane
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Classification of At-Risk Species
EXTIRPATED: any species that is no longer existing in the wild in Canada, but can be found elsewhere in the world– Ex: Grizzly bear, no
longer found in Manitoba and Saskatchewan but still found in the mountains of Alberta and British Columbia
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Classification of At-Risk Species
THREATENED: any species that is likely to become endangered if factors that make it vulnerable are not reversed– Ex: wood bison, their
number is small and recently tuberculosis has become a problem
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Classification of At-Risk Species
VULNERABLE: any species that is at risk because of low or declining numbers at the fringe of its range or in some restricted area– Ex: grey fox is
beginning to return to southern Ontario, but needs woodlands
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Causes of extinction
Climate changes and the pressure of competition from other species
Humans have had a profound effect, extinction rates are increasing as the human population increases - Human activities are the major causes of extinction
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Top Endangered Species
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Javan Rhino, Black Rhino and Sumatran Rhino
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Western Lowland and Mountain Gorilla
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Amur Leopard
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Hawksbill Turtle and Leatherback Sea Turtle
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Soala
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Sumatran Orangutan
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Sumatran Elephant
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Siberian Tiger, South China Tiger and Sumatran Tiger
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Vaquita
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Northern Sportive Lemur
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Greater Bamboo Lemur
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Yangtze Finless Porpoise
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Hawaiian Monk Seal
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North Atlantic Right Whale
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Blue-throated Macaw
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Iberian Lynx
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Kihansi spray toad
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Kakapo
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Chinese Giant Salamander
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Ivory-Billed Woodpecker
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Pangolin