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polar bear

(Encyclopedia)polar bear, large white bear, Ursus maritimus, formerly Thalarctos maritimus, of the coasts of arctic North America, Asia, and Europe. Polar bears usually live on drifting pack ice, but sometimes wand...

grizzly bear

(Encyclopedia)grizzly bear or grizzly, large, powerful North American brown bear, characterized by gray-streaked, or grizzled, fur. Grizzlies are 6 to 8 ft (180–250 cm) long, stand 31⁄2 to 4 ft (105–120 cm) a...

polar exploration

(Encyclopedia)polar exploration: see Antarctica; Arctic, the. ...

polar front

(Encyclopedia)polar front, zone of transition between polar and tropical air masses. Its average position during the winter is at about 30° lat. and during the summer at about 60° lat. In the N Atlantic Ocean, fo...

polar regions

(Encyclopedia)polar regions: see Antarctica; Arctic, the. ...

bear, in zoology

(Encyclopedia)bear, large mammal of the family Ursidae in the order Carnivora, found almost exclusively in the Northern Hemisphere. Bears have large heads, bulky bodies, massive hindquarters, short, powerful limbs,...

honey bear

(Encyclopedia)honey bear: see bear; kinkajou. ...

Bryant, Bear

(Encyclopedia)Bryant, Bear (Paul Bryant) brīˈənt [key], 1913–83, American football coach, b. Moro Bottom, Ark. The son of sharecroppers, he became a Southern culture hero through his football successes. After ...

Bear Island

(Encyclopedia)Bear Island, Svalbard: see Bjørnøya. ...

Bear Mountain

(Encyclopedia)Bear Mountain, peak, 1,284 ft (391 m) high, SE N.Y., overlooking the Hudson River. The Bear Mt. section of the Palisades Interstate Park (see under Palisades), with facilities for both summer and wint...