Falconidae
American Kestrel (Falco sparverius), American Kestrel (Falco sparverius), American Kestrel (Falco sparverius), American Kestrel (Falco sparverius), Aplomado Falcon (Falco femoralis), Crested Caracara (Caracara cheriway), Crested Caracara (Caracara plancus), Crested Caracara (Polyborus plancus or Caracara ch, Eurasian Kestrel (Falco tinnunculus), Falco naumanni (Lesser Kestrel)
Pandionidae
International Osprey Foundation, Osprey (Pandion haliaeetus), Osprey (Pandion haliaetus), Pandion haliaetus (Osprey)
Birds of Prey
Names and photos of birds of prey.
Buteo.com
Photos and facts about birds of prey (eagles, hawks, falcons, kestrels, owls, harriers, accipiters, buteos, osprey) that can be seen in the United States.
Raptor Information System
A keyworded catalog of over 40,000 references about the biology and management of birds of prey.