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Red-shouldered Hawk:
John James Audubon, in his 1840 publication The Birds of North American (vol.1), calls the Red-shouldered Hawk the "Red-shouldered Buzzard" as well as "Red-shouldered Hawk". A few early naturalists called this hawk the "Winter Hawk" while others had the "Winter Hawk" and the "Red-shouldered Hawk" listed as two separate species (i.e., Wilson, 1828, "American Ornithology", vol.1). Others said it was the same but adult vs. juvenile.
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Willow Grove, Washington ...
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Click image to enlarge
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Red-shouldered Hawk, Willow Grove, Washington.
Image taken November 8, 2011.
Canon EOS 7d, 400mm.
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Click image to enlarge
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Red-shouldered Hawk, Willow Grove, Washington.
Image taken November 8, 2011.
Canon EOS 7d, 400mm.
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Click image to enlarge
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Red-shouldered Hawk, Willow Grove, Washington.
Image taken November 8, 2011.
Canon EOS 7d, 400mm.
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Shillapoo Wildlife Area, Vancouver, Washington ...
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Click image to enlarge
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Red-shouldered Hawk, being chased, Shillapoo Wildlife Area, Vancouver, Washington.
La Framboise Road.
Image taken August 22, 2009.
Canon EOS 40d, 400mm.
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Ridgefield NWR, Washington ...
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Click image to enlarge
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Red-shouldered Hawk, Owings, Maryland.
Image taken October 3, 2010.
Canon Rebel T2i, 300mm.
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