Falco sparverius
The American Kestrel, Falco sparverius, stands as North America's smallest and most vibrantly colored falcon, a true jewel among raptors. Males are distinguished by their rusty red back and tail, striking blue-gray wings, and white underparts adorned with black spots, while females exhibit a more uniform rusty barring across their backs and wings. Both sexes share a notably large head relative to their body, long tail, and two prominent black vertical stripes on their white faces, often givin...
American Kestrels thrive in open country, including grasslands, agricultural fields, savannas, desert edges, and urban fringes. They prefer areas with scattered trees, snags, or structures that provide suitable perches and nesting cavities, ranging from sea level to over 4,000 meters in elevation.
Their diet consists primarily of large insects such as grasshoppers, beetles, and crickets, supplemented by small mammals like voles and mice, small birds, lizards, and snakes. They hunt by perching and watching, or by hovering in mid-air before diving onto unsuspecting prey.
Primarily diurnal, American Kestrels are active hunters during the day, often roosting solitarily or in small communal groups in trees, rock crevices, or human-made structures at night. Their primary foraging strategy involves perching on an elevated lookout and scanning for prey, then rapidly sw...
The American Kestrel boasts one of the most extensive breeding ranges of any raptor in the Americas, stretching from Alaska and much of Canada south through the contiguous United States, Mexico, Central America, and across vast regions of South America, including the Andes and numerous Caribbean ...
Least Concern
- The American Kestrel is the smallest falcon in North America, roughly the size of a robin or jay. - They possess the remarkable ability to see ultraviolet (UV) light, which helps them detect vole urine trails, as these trails reflect UV light, indicating active rodent territories. - Their signa...