Fauna of Canada
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The fauna of Canada is considered to be diverse across Canada. Canada has multiple ecosystems, ranging from lush forests of British Columbia, the prairies of Western Canada, to the tundra of Northern Canada. With a large land mass, and small population density, the wildlands of Canada provide important habitat for many animals, both endangered and not. Canada is home to approximately 70 000 known species of plants and animals—and perhaps many more that have yet to be discovered.
The most threatened wildlife and flora species of Canada are listed in the List of Wildlife Species at Risk in accordance with the Canadian Species at Risk Act. More than 400 species are listed as being at risk of extinction in Canada. The regions with the most endangered or threatened species are those in which humans have had the greatest impact on the environment.
Mammals are found in all the regions of Canada. Members of six orders of placental mammals inhabit Canada. They are the bats, carnivores (including the pinnipeds), artiodactyls, cetaceans, insectivores, rodents, and lagomorphs. Additionally, one species of marsupial, the opossum, can now be found in southern Canada.
Because of its large wild spaces, Canada is home to many large mammals, some of which have been extirpated in more densely populated areas, for example large predators such as the grey wolf and the brown bear. Well known as "Canadian" are those mammals that are comfortable in Northern Canada, such as the polar fox, caribou herds, the moose, the wolverine, and muskoxen herds. Other prominent Canadian mammals are the Canada lynx, and the North American beaver, which is a major symbol of Canada.
In addition to these native mammals, many Eurasian mammals were introduced (either intentionally or accidentally) by European colonists. Among them are domestic mammals, such as the horse, pig, sheep, dog, cat, and cattle, and wild mammals, such as the brown rat and the house mouse.
Canada's avifauna comprises 462 species, members of seventeen orders of bird. The two most diverse orders are the passerines and the charadriiformes. The most commonly known birds include the Canada goose, snowy owl, and the common raven. Another prominent Canadian bird is the whooping crane, whose only breeding grounds are protected in Wood Buffalo National Park.
Canada has twenty-five species of snake, representing three families. Most Canadian snakes are members of the colubrid family, including several species of garter snake. Additionally, the western provinces of Alberta and British Columbia have species of pit viper, such as the western rattlesnake, and British Columbia has Canada's only species of boa, the rubber boa.
Canada is home to six species of lizard, all living along the southern border with the United States.
Canada also has twelve species of turtle, representing six families. A common turtle in Canada is the painted turtle, which can be found in all ten of Canada's southern provinces, except Newfoundland and Labrador.
Nunavut, the Yukon, and Newfoundland & Labrador have no indigenous reptiles.
Canada's salamanders are found in all ten provinces, but none live in the three northern territories. Notable salamanders of Canada include the common spotted salamander of eastern Canada, and the rare pacific giant salamander of British Columbia's coastal rainforest.
Frogs and toads are found in every region of Canada, though more are found in the south. Canada is home to five families of frogs and toads, including the true frogs, true toads, and tree frogs, which are found in every province and territory (except Nunavut, which only has true frogs), the spadefoots, which are found in the prairie provinces, and the tailed frog, which is found only in British Columbia.
Canada's rivers are famous for their annual runs of Atlantic salmon on the east coast and Pacific salmon on the west coast. Canada's many freshwater lakes and streams are home to rainbow trout, Arctic char, and brook trout. In the past, invasive species such as the lamprey and zebra mussel have threatened these native species, and while efforts to combat them have been made they still remain a hazard in some areas, and there are ongoing effort to prevent the spread of Asian carp from the United States. There are also significant commercial fisheries of many salt-water species, including Atlantic cod, haddock and halibut, although some of these are in decline.
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Due partially to the harshness of its winters, Canada has no native poisonous insects.
- List of butterflies of Canada
- List of moths of Canada
- List of damselflies of Canada
- List of dragonflies of Canada
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- Bumstead, Pat; Norman H. Worsley (2003), Canadian skin and scales, Simply Wild Publications, ISBN 0-9689278-1-5
- Feldhamer, George A; Bruce Carlyle Thompson; Joseph A. Chapman (2003), Wild mammals of North America (2nd ed.), Johns Hopkins University Press, ISBN 0801874165
- Ross, Alexander Milton (1871), The Birds of Canada, Rowsell and Hutchison. ISBN 1-146-72072-6