How Did Whales Evolve?

Originally mistaken for dinosaur fossils, whale bones uncovered in recent years have told us much about the behemoth sea creatures

An illustration of German-born fossil collector Albert Koch's "Hydrarchos" as it appeared on display. (From Fowler, O.S. 1846. The American Phrenological Journal and Miscellany, Vol. 8. New York: Fowler & Wells.)

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Adapted from Written in Stone: Evolution, the Fossil Record, and Our Place in Nature, by Brian Switek. Copyright 2010. With the permission of the publisher, Bellevue Literary Press.

About Brian Switek
Brian Switek

Brian Switek is a freelance science writer specializing in evolution, paleontology, and natural history. He writes regularly for National Geographic's Phenomena blog as Laelaps.

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