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1.Ten million years ago, walruses were the most diverse seals of the Pacific Ocean; some ate fish, other mollusks and bottom invertebrates. Five million years ago, walruses of California ate clams and sucked their content, missing lateral teeth for this purpose; this is an extinct branch.Modern walruses evolved from ... |
5 December 2007
16:53 GMT |
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No ice, no polar bears. We already know this. But what will happen with another icon of the Arctic, the walrus? Walruses have already started to change their habits and behavior. Thousands of them have gathered on Alaska's northwest coast, as a severe effect of the Arctic sea ice melting. Usually, the breeding f... |
9 October 2007
05:19 GMT |
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If you think this is a mammoth ivory, you're totally wrong! It is the penis bone belonging to an extinct walrus species!The penis' main function is to keep enough stiffness to penetrate an orifice during mating, and to deliver sperm. And mammals found the best solution - most of them have this unique bone n... |
2 October 2007
14:06 GMT |
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