[birding] For the raptor experts

[Lisa Millbank]

Does anyone have any insight on determining the sex of juvenile Northern Harriers in their lighter spring plumage?  This bird has yellow eyes and an unmarked belly.  I've read that young males generally have gray-brown eyes and young females have dark brown eyes.  This link has three photos:

http://groups.google.com/group/mid-valley-nature/browse_thread/thread/8c7c903680e6f03f

Lisa
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