american kestrel sits in silence looking for its prey

american kestrel falcon small raptor colorful plumage falconidae north america bird prey hovering hunting grasslands urban areas cavity nester songbirdsized predatory falconry sharp beak territorial insectivorous feathers striking markings raptors diurnal fast flight agile falconshaped head western hemisphere migratory speed vertebrates family hawklike crops falco sparverius patterns birdwatching open country grasshoppers rodents birds adaptability perch aerial acrobatics conservation endangered species wildlife diversity courtship displays swift carnivorous biodiversity