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Nature 451, 774-775 (14 February 2008) | doi:10.1038/451774a; Published online 13 February 2008
Evolutionary biology: A first for bats
John Speakman1
Abstract
Which came first as bats evolved — flight or echolocation? Newly described fossils favour the flight-first hypothesis. But these creatures may have been otherwise equipped for flying at night.
A long-standing debate about the processes that led to the evolution of modern bats takes a new twist with the discovery of remarkable fossil bats recovered from the Green River formation in Wyoming. The fossils, which constitute a new genus and species, are described by Simmons et al.page 818 of this issue1.
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Primitive Early Eocene bat from Wyoming and the evolution of flight and echolocationNature Letters to Editor
Primitive Early Eocene bat from Wyoming and the evolution of flight and echolocationNature Letters to Editor (14 Feb 2008)