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Cooper's Hawk (1 Viewer)


Well-known member
The bird in this photo is undoubtedly an adult Cooper's. The thing that puzzles me is its size. This bird was the size of a LARGE Red-Tailed Hawk. The attached photo was taken from long distance with an SX30, and doesn't really put the size in great perspective.

My question is this: Could this be a Cooper'sxRed-Tailed or Cooper'sXGoshawk or something?

I know that size varies a lot in these birds, but I have never seen one nearly this big.


  • BigCoop.JPG
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Well-known member
I agree that it is a Cooper's hawk; probably a large female fluffed up in the cold. Sizes of raptors are very difficult to estimate without a nearby frame of reference. Coopers can be from 14 to 19 inches in length and RTH's 17 to 22 inches in length per Wheeler and RTHs are much bulkier.

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