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Nature 451, 774-775 (14 February 2008) | doi:10.1038/451774a; Published online 13 February 2008
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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.
- John Speakman is at the Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen AB39 2PN, UK.
Email: j.speakman@abdn.ac.uk
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Primitive Early Eocene bat from Wyoming and the evolution of flight and echolocationNature Letters to Editor (14 Feb 2008)
