Sentence Examples with the word polar bear

Those of the great cave bear (Ursus spelaeus), found abundantly in certain caverns of central Europe and Asia, show that it must have exceeded in size the polar bear of the present day.

In jerboas, for example, a bunch of twelve or thirteen hairs springs from the same point, while in the polar bear a single stout hair and several slender ones arise together, and in the marmosets three equal-sized hairs form regular groups.

Among some flowering plants, however, the character has become one of specific rank, and among animals we have in the polar bear and the Greenland hare instances where partial albinism - for in them the eyes are black and other parts may be pigmented - has also become a specific character.

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The grizzly bear, however, is chiefly carnivorous; while the polar bear is almost wholly so.