[CT Birds] Hairy Woodpecker with yellow patches

Arthur Shippee ashippee at snet.net
Thu Jan 10 16:17:51 EST 2013

Perhaps genetic, as you suggest on the site, but perhaps also diet, either the presence or absence of some chemical?  That accounts for changes in other birds's feathers (as well as human skin colors).

On Jan 10, 2013, at 3:57 PM, Scott Kruitbosch <kbosch at gmail.com> wrote:

> I welcome any thoughts on this Hairy Woodpecker with bright yellow patches
> in place of the normally deep red on the back of the head I found in my
> yard last week, photos here:
> http://ctaudubon.blogspot.com/2013/01/hairy-woodpecker-with-yellow-patches.html
> Yet another example of why we should always examine even our most expected
> guests.
> -- 
> Scott Kruitbosch
> Stratford, CT
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