Denver-Boulder Metro Area: Birds
This guide contains birds that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.
Merlin
The merlin (Falco columbarius) is a small species of falcon from the Northern Hemisphere. A bird of prey once known colloquially as a pigeon hawk in North America, the merlin breeds in the northern Holarctic; some migrate to subtropical and northern tropical regions in winter.
Prairie Falcon
The Prairie Falcon (Falco mexicanus) is a medium-sized falcon of western North America.
Peregrine Falcon
The peregrine falcon (Falco peregrinus), also known as the peregrine, and historically as the duck hawk in North America, is a widespread bird of prey in the family Falconidae. A large, crow-sized falcon, it has a blue-grey back, barred white underparts, and a black head and "moustache". As is typical of bird-eating raptors, peregrine falcons are sexually ...more ↓
Gyrfalcon
The Gyrfalcon (/ˈdʒɜrfɔːlkən/ or /ˈdʒɜrfælkən/), also spelled gerfalcon—Falco rusticolus—is the largest of the falcon species. The Gyrfalcon breeds on Arctic coasts and the islands of North America, Europe, and Asia. It is mainly a resident there also, but some Gyrfalcons disperse more widely after the breeding season, or in winter. Individual vagrancy can take ...more ↓
American Kestrel
The American Kestrel (Falco sparverius), sometimes colloquially known as the Sparrow Hawk, is a small falcon, and the only kestrel found in the Americas. It is the most common falcon in North America, and is found in a wide variety of habitats. At 19–21 cm (7–8 in) long, it is also the smallest falcon in North America. It exhibits sexual dimorphism in size and plumage, ...more ↓
