According to Preston and Beane (2009), Red-tailed Hawks mostly prey upon mammals (mice, ground squirrels, and rabbits), birds (mostly pheasants and quail), snakes, and also, rarely, small birds. These authors cite a Wisconsin study of the winter diet as 44% cottontails, 28% voles and mice,, and 10% Ring-necked Pheasants. In the spring, Red-tailed Hawks consumed 38% cottontails, 23% Ring–necked Pheasants, 14% squirrels and muskrats, 10% passerines and other small birds, and only 7% voles and mice.
The Red-tailed Hawk in this photograph is a stand-in for our recent sighting. I took this photograph several years ago near Pierre, South Dakota.

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