![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9iaVAkkYslQGPCTbTJJHmDipcZ5XzzPuo4mCDLXtVD7GO4d0Fmalwl0Oy4pjSRQAblN13fFstiTkzk07JcSFvaxyIq6Qsm-6N-XHLq0PSLVI9dZbMprGn_1uTONzpMXGRVjJJ/s400/wcrow.jpg)
There are reasons why there are so few white crows, said McGowan. Standing out in a flock of crows -- known as a murder -- makes them easier to get picked out by predators such as hawks, he said. In addition, melanin doesn't just add colour to feathers -- the pigment also helps hold them together, he said.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh80BI-4imioLTvB4lugILCw_w0MxLNdg_bULTcHXYPPQHdT0YZDKqpe4ANwuXnGR5XhrgWKIC3DDI7n2EaQaLYCnppnFs74SawEjnNnRqvqswF9-ToRVnnF71qGaCcHrGlqwBv/s400/Black-and-white-crow_jpg.jpg)
![](http://www.progressivebloggers.ca/white-leaf-checkmark__your_vote.png)
No comments:
Post a Comment