An Eocene Big Bang for Bats

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Science  28 Jan 2005:
Vol. 307, Issue 5709, pp. 527-528
DOI: 10.1126/science.1108871

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Although bats constitute more than 20% of living mammal species, little is known about their evolutionary history. In a Perspective, Simmons discusses a new bat phylogenetic tree ( Teeling et al.) that sheds light on the evolution of the only mammals capable of both flight and echolocation.