Of all the birds on Earth, perhaps none is more unique than the South American oilbird, which 90 million years ago hopped onto its own branch of the evolutionary tree and has been on it ever since. The oilbird perches atop a new analysis of avian distinctiveness: how old each species is, and whether they […]
via WIRED http://ift.tt/1gbWb0i
via WIRED http://ift.tt/1gbWb0i
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