Wood Buffalo National Park
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Wood Buffalo National Park is the largest national park of Canada at 44,741 km2. It is in northeastern Alberta and the southern Northwest Territories. Larger in area than Switzerland, it is the second
Grosbeak Lake
Plains bison were transferred here from Buffalo National Park in the 1920s, but they carried disease and hybridized with the wood bison, causing their numbers to drop.
Wood bison (not pure)
Marmot
Beaver dam
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A beaver dam or beaver impoundment is a dam built by beavers; it creates a pond which protects against predators and holds food during winter. These structures modify the natural environment in such a
Wood Buffalo National Park
…contiguous water bodies, primarily lakes and various wetlands, such as marshes and bogs, but also includes streams and ponds. In 2007, the world's largest beaver dam – about 850-metre (2,790 ft) in length – was discovered in the park using satellite imagery. The dam, at , about 200 kilometres (120 mi) from Fort…
Beaver dam at Algonquin Park in Ontario, Canada
North American beaver (Castor canadensis), one of two species of beaver
Beaver dam in Lassen Volcanic National Park
Beavers use rocks for their dam when mud and branches are less available as seen on Bear Creek, a tributary to the Truckee River, in Alpine Meadows, California