Open hills, plains, prairies, deserts. Typically found in fairly dry open country, including grassland and desert. Also in open country above treeline in high mountains. In winter, often found in farmland and around lakes and reservoirs, and may regularly winter in some western cities.
Prairie Falcon pairs are notoriously aggressive in defending their nest sites—against Great Horned Owls, eagles, hawks, and even other Prairie Falcons, sometimes killing fledglings that stray into the wrong territory.
Prairie Falcons have even been known to prey on other raptors, such as Burrowing Owls! However, this falcon also consistently hunts small mammals, and in many areas, sground squirrels make up the bulk of its diet. Prairie Falcons also take kangaroo rats, packrats, and cottontail rabbits when the opportunity arises.
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