Forum > Birds In The News > How Dinosaur Arms Turned Into Bird Wings

Webmaster Posted 30-Sep-2014 14:41
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From Science Daily on 30-Sep-2014 14:41

Although we now appreciate that birds evolved from a branch of the dinosaur family tree, a crucial adaptation for flight has continued to puzzle evolutionary biologists. During the millions of years that elapsed, wrists went from straight to bent and hyperflexible, allowing birds to fold their wings neatly against their bodies when not flying. A resolution to this impasse is now provided by an exciting new study.


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