PhysOrg Posted September 30, 2014 Share Posted September 30, 2014 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. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
ScienceDaily Posted September 30, 2014 Share Posted September 30, 2014 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. Read the full article on ScienceDaily Link to comment Share on other sites More sharing options...
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