![]() ![]() A large female can be nearly twice the size of a small male, with wingspan reaching to 1.1 meters (3.5 feet), and tends to hunt significantly larger prey. Females are about 45 cm in length (17.7 inches) and weigh 762 to 970g (1.7 to 2.1 lbs). Male prairie falcons are usually 37 to 38 cm in length (~15 inches) and weigh 500 to 635g (1.1 to 1.4 lbs). The prairie falcon is popular as a falconry bird, where with proper training it is regarded as being as effective as the more well known peregrine falcon.ĭescription Appearance Adults It is resident from southern Canada, through western United States, and into northern Mexico. It is the only larger falcon native only to North America. It will regularly take prey from the size of sparrows to approximately its own weight, and occasionally much larger. Having evolved in a harsh desert environment with low prey density, the prairie falcon has developed into an aggressive and opportunistic hunter of a wide range of both mammal and bird prey. Though a separate species from the peregrine, the prairie falcon is basically an arid environment divergence of the early peregrine falcon lineage, able to subsist on less food than the peregrine, and generally lighter in weight than a peregrine of similar wing span. As in all falcons, females are noticeably bigger than males. It is about the size of a peregrine falcon or a crow, with an average length of 40 cm (16 in), wingspan of approximately 1 meter (40 in), and average weight of 720 g (1.6 lb). The prairie falcon ( Falco mexicanus) is a medium-large sized falcon of western North America. ![]()
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