Whale and Dolphin Conservation (WDC) on Twitter: "Fun fact: dolphins evolved from land mammals, whose legs were underneath their bodies 🐬 As a result, dolphin's tails move up and down as they
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Scientists Uncover New Clues to Limb Formation (and Loss) in Some Sea Mammals | NSF - National Science Foundation
Namibian Dolphin Project - Did you know whales used to have legs? Ancestors of modern-day whales that lived millions of years ago used to live both in water and on land. A
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