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Cooper's hawk (juveniles)        Images © Mark A. Chappell

The Cooper's hawk is a medium-sized, slender, fast ambush hunter of birds and small mammals.   Adult Cooper's hawks are slate-blue above and rusty below.   During their first year, young birds -- like the fledglings shown below, with small tufts of natal down still apparent -- are brownish above, with pale underparts carrying strong streaking (unlike the delicate cross-barring of adults).   These were photographed in Two Trees Canyon in Riverside, at Big Morongo Reserve in the California desert, in Palo Alto, and at the San Jacinto Wildlife Area, all in California.

  • Canon 1D Mk. II, 1D3, 1D4, or 7D2; 500 mm f4 IS lens plus 1.4X or 2X converter or 800 mm IS lens with 1.4X converter; the photo two rows down at right was taken with 1.4X and 2X converters combined; some with fill-in flash (2004, 2007, 2010, 2011, 2015, 2016, 2018)