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News stories tagged with "whales"

Top: Reconstruction of <em>Ambulocetus natans</em>, a primitive cetacean from 40-50 million years ago, by <a href="http://spinops.blogspot.com">Nobu Tamura</a>, CC <a href="http://en.wikipedia.org/wiki/en:GNU_Free_Documentation_License">some rights reserved</a>, and Bottom: Reconstruction of <em>Kutchicetus</em>, another ancestor of today's sea mammals.
Top: Reconstruction of Ambulocetus natans, a primitive cetacean from 40-50 million years ago, by Nobu Tamura, CC some rights reserved, and Bottom: Reconstruction of Kutchicetus, another ancestor of today's sea mammals.

Natural Selections: Whales and land mammals

Whales are relatively new to the ocean. Fossil evidence allows evolutionary biologists to trace the whale's transformation from land mammal into air-breathing ocean dweller. Today's whales still carry a legacy of their landed past in a vestigial pelvis, femur, and other typical anatomical traits. Martha Foley and Dr. Curt Stager dig into a big topic.  Go to full article

Natural Selections: Stranded Whales

Some of the world's smartest creatures appear to become confused, beaching themselves in large numbers with tragic consequences. How can this happen? Martha Foley and Dr. Curt Stager discuss stranded whales.  Go to full article

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