. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 136 CALIFORNIA FISH AND GAME on valley quail. In a nest of a pair of Cooper hawks in the San Jacinto mountains the remains of three chickens, a blue jay and a chipmunk were found (Grinnell and Swarth, 1913). The sharp-shinned hawk, of much smaller size, feeds upon the smaller birds, almost all of the com- moner song birds falling prey to it. In the Fresno district, the birds wliich seem to suffer most from attacks by the sharp-shin ar
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 136 CALIFORNIA FISH AND GAME on valley quail. In a nest of a pair of Cooper hawks in the San Jacinto mountains the remains of three chickens, a blue jay and a chipmunk were found (Grinnell and Swarth, 1913). The sharp-shinned hawk, of much smaller size, feeds upon the smaller birds, almost all of the com- moner song birds falling prey to it. In the Fresno district, the birds wliich seem to suffer most from attacks by the sharp-shin are mocking- birds, intermediate sparrows, valley quail, and say phoebes (Tyler, 1913). This hawk dashes in and out among trees and shrubbery and often perches on larger limbs inside the foliage. It is most common about willow thickets and the trees along streams. A crashing sound as it strikes a bird in llie foliage often betrays its presence and little bundles of feathers ])ear mute evidence of tragedies enacted. All. Fig. 42. Rt-d-tailed Hawk (Biiteo ). Courlt'sy of tlie rnil^d States Bureau of Biolog-ical Survey. three species are likely to make their appearance in the chicken yard, in fact, about ninety-five times out of a hundred it is one of these three hawks which is to blame when poultry is found to have been taken by a hawk. The duck hawk is the most powerful of the destructive species. It is a true falcon, and in Europe was considered the "noblest" of the birds used in falcony. It fearlessl}- attacks ducks and has even been known to attack some of the larger waterfowl. The rush of wings at it attacks its prey is said to resemble a heavy wind. Its food comprises birds, both game and nongame. Birds recorded as falling prey to the duck hawk in California are as follows: blackbirds, meadowlarks, red phala- ropes, black turnstones, murrelets, auklets, ducks, doves, ,iays, and even sparrows. Furthermore, it is said to kill apparently for pleasure. At. Pl
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