species has been recorded in Wyoming. Double-crested cormorant, Nannopterum auritum Neotropic cormorant, Nannopterum brasilianum (A) Pelicans Order: PelecaniformesFamily: Pelecanidae Pelicans are very large water birds with a distinctive pouch under their beak. Like other birds in the order Pelecaniformes, they have four webbed toes. Two species have been recorded in Wyoming. American white pelican, Pelecanus erythrorhynchos Brown pelican, Pelecanus occidentalis (A) Herons, egrets, and bitterns Order: PelecaniformesFamily: Ardeidae The family Ardeidae contains the herons, egrets, and bitterns. Herons and egrets are medium to large wading birds with long necks and legs. Bitterns tend to be shorter necked and more secretive. Members of Ardeidae fly with their necks retracted, unlike other long-necked birds such as storks, ibises, and spoonbills. Eleven species have been recorded in Wyoming. American bittern, Botaurus lentiginosus Least bittern, Ixobrychus exilis (A) Great blue heron, Ardea herodias Great egret, Ardea alba (A) Snowy egret, Egretta thula Little blue heron, Egretta caerulea (A) Tricolored heron, Egretta tricolor (A) Cattle egret, Bubulcus ibis Green heron, Butorides virescens Black-crowned night-heron Nycticorax nycticorax Yellow-crowned night-heron, Nyctanassa violacea (A) Ibises and spoonbills Order: PelecaniformesFamily: Threskiornithidae The family Threskiornithidae includes the ibises and spoonbills. They have long, broad wings. Their bodies tend to be elongated, the neck more so, with rather long legs. The bill is also long, decurved in the case of the ibises, straight and distinctively flattened in the spoonbills. Three species have been recorded in Wyoming. White ibis, Eudocimus albus (A) Glossy ibis, Plegadis falcinellus (A) White-faced ibis, Plegadis chihi New World vultures Order: CathartiformesFamily: Cathartidae The New World vultures are not closely related to Old World vultures, but superficially resemble them because of convergent evolution. Like the Old World vultures, they are scavengers, however, unlike Old World vultures, which find carcasses by sight, New World vultures have a good sense of smell with which they locate carcasses. Three species have been recorded in Wyoming. California condor, Gymnogyps californianus (A) Black vulture, Coragyps atratus (A) Turkey vulture, Cathartes aura Osprey Order: AccipitriformesFamily: Pandionidae Pandionidae is a family of fish-eating birds of prey possessing a very large, powerful hooked beak for tearing flesh from their prey, strong legs, powerful talons, and keen eyesight. The family is monotypic. Osprey, Pandion haliaetus Hawks, eagles, and kites Order: AccipitriformesFamily: Accipitridae Accipitridae is a family of birds of prey which includes hawks, eagles, kites, harriers, and Old World vultures. These birds have very large powerful hooked