Screen shot from Hawk Ridge's Raptor ID Guide. |
For help with identifying raptors, especially in flight, Hawk Ridge has a printable pdf with silhouettes and other great information here.
For great general information about raptors (and not just ones found in North America), the Peregrine Fund has a great resource here.
A great site with information on all things bird - including natural history, plumages, conservation topics as well as ways to identify birds - is Audubon's Online Guide to North American Birds.
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