Tawny Owl plumage changing with warming climate

[Ian May <>]

What predator would selectively attack grey morph variation in Tawny Owl (See http://en.wikipedia.org/wiki/Tawny_Owl ) to the extent of altering their 
population dynamics?


Laurie Knight wrote:
> see http://news.bbc.co.uk/earth/hi/earth_news/newsid_9401000/9401733.stm
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