How is the grizzly bear important to the environment of the tundra?


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Brown bears, including the North American subspecies called grizzlies, are also occasional predators. Barren-ground grizzly bears in Alaska and Canada will hunt ungulates, particularly targeting calves but possessing the strength and ferocity to fell musk-ox bulls on occasion. Black bears (typically coming from more southerly, timbered areas) and polar bears (come off their sea-ice hunting grounds) also occasionally utilize tundra habitats; indeed, polar bears often den in tundra riverbanks.

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