[wisb] Re: RFI: dark Rough-legs (no sightings)
- From: Richter Museum <richter@xxxxxxxx>
- To: "dolichovespula@xxxxxxxxx" <dolichovespula@xxxxxxxxx>, "Wisconsin Birding Network" <wisbirdn@xxxxxxxxxxxxx>
- Date: Sat, 22 May 2010 19:40:09 -0500
Exactly... young birds have straw colored eyes which will eventually become
dark brown. Also if you note cere and foot color you will find full adults are
more yellow, while immatures are paler with greenish cast.
Tom Erdman
________________________________________
From: wisbirdn-bounce@xxxxxxxxxxxxx [wisbirdn-bounce@xxxxxxxxxxxxx] On Behalf
Of Edward Keyel [dolichovespula@xxxxxxxxx]
Sent: Saturday, May 22, 2010 12:04 PM
To: Wisconsin Birding Network
Subject: [wisb] RFI: dark Rough-legs (no sightings)
Hi everyone,
As I was looking through some pictures of Rough-legged Hawks, I notice
a few dark morph birds that had light, whitish-looking eyes. Going
through the rest of my pictures, I found other dark Roughies with dark
eyes. I know that raptors' eye colors usually change from juvenile to
adult, but I've only ever paid attention to it in light morph birds.
Could that be what is occurring here, with the juvies having dark eyes
and the adults having light? Any information/feedback would be
greatly appreciated. Thanks.
Good birding!
-Ted Keyel
Sun Prairie,
Dane Cty
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