#  Birds use two postures to avoid obstacles in flight 

 





April 23, 2015

 

 

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Research by [**Andy Biewener**](http://biewenerlab.oeb.harvard.edu/) and former postdoc David Williams describes how birds use two postures to avoid obstacles in flight. The study was published on March 17, 2015 in [*Proceedings of the National Academy of Sciences*](http://www.pnas.org/content/112/11/3392.full?sid=0e4ff896-3292-4818-92fe-9396d19351dd) and featured in the [*Harvard Gazette*](http://news.harvard.edu/gazette/story/2015/04/why-birds-dont-crash/?utm_source=SilverpopMailing&utm_medium=email&utm_campaign=04.24.2015%20(1))

 

 

 



 

 See also:- [ Concord Field Station ](/news/concord-field-station)
- [ Ornithology ](/news/ornithology)