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Prairie Falcon

Sitting in the morning sun on a big eucalyptus on the east side of the wash. Distinguished from the Peregrine Falcon by the dark head, white behind the eyes, and the fact that the wingtips do not meet the end of the tail (according to Sibley). In the same tree was a hawk with a dark brown cap, white cheeks with dark eye-stripe, mottled wings, white belly, mottled breast. This fits the description of a juvenile Gray Hawk (as does the description of the hawk I saw a few days ago, which was in the same tree). I took some photos, and one shows in addition to the eye stripe a lower stripe along the chin, which also agrees with the description in Sibley.

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About Bill McCallum

I was born in Australia and came to the United States to pursue a Ph. D. in mathematics at Harvard University, met my wife, and never went back. I am a professor at the University of Arizona, working in number theory and mathematics education.

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