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Posted by Stephen Paez on 16:10:23 02/25/10
In Reply to: Re: Help please Hawk ID ;) posted by Holly
I actually found two blogs where it is mentioned that Cooper's Hawks are sometimes confused with Harriers since they occasionally appear to have white rumps due to a combination of play of light/sun on feathers of the white vent area being raised and "seeping" to the rump area during breeding displays. Something complicated like that.
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