American Kestrel

Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, New York, NY. 1109 p.

The Raptor Center (American kestrel fact sheet)

The University of Michigan—Animal Diversity Web (American kestrel fact sheet):

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Bali Mynah

American Zoo and Aquarium Association (bali mynah fact sheet)

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Barn Owl

Birds of Prey in Oklahoma (snowy owl fact sheet)

Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, New York, NY. 1109 p.

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Barred Owl

The Raptor Center (barred owl fact sheet): www.raptor.cvm.umn.edu/raptor/rfacts/barro.html

Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, New York, NY. 1109 p.

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Cattle Egret

Austin, Oliver L., Jr. and Arthur Singer. 1961. Birds of the World. Golden Press, New York, NY. 316 p.

Chinese Wild Bird Federation (cattle egret fact sheet)

Imperial Valley College (cattle egret fact sheet)

Noordelijke Hogeschool Leeuwarden: Birds in Suriname (cattle egret fact sheet)

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Woodland Park Zoo - Teachers Packet Fact Sheet (Cattle Egret)

Demoiselle Crane

Austin, Oliver L., Jr. and Arthur Singer. 1961. Birds of the World. Golden Press, New York, NY. 316 p.

Rutgers A. and K.A. Norris, ed. 1970. Encyclopedia of Aviculture, Volume 1. Blandford Press, London, England. 350 p.

Scott, Peter et al. 1994. The World Atlas of Birds. Crescent Books, New York, NY. 272 p.

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Egyptian Goose

Poultry Page (Egyptian Geese fact sheet)

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Woodland Park Zoo - Teachers Packet Fact Sheet (Egyptian Goose)

Golden Eagle

Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, New York, NY. 1109 p.

The Raptor Center (golden eagle fact sheet)

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Gyrfalcon

Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, New York, NY. 1109 p.

The Raptor Center (gyrfalcon fact sheet)

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Hood Crane

Austin, Oliver L., Jr. and Arthur Singer. 1961. Birds of the World. Golden Press, New York, NY. 316 p.

Rutgers A. and K.A. Norris, ed. 1970. Encyclopedia of Aviculture, Volume 1. Blandford Press, London, England. 350 p.

Scott, Peter et al. 1994. The World Atlas of Birds. Crescent Books, New York, NY. 272 p.

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Red-Crowned Crane

Austin, Oliver L., Jr. and Arthur Singer. 1961. Birds of the World. Golden Press, New York, NY. 316 p.

Rutgers A. and K.A. Norris, ed. 1970. Encyclopedia of Aviculture, Volume 1. Blandford Press, London, England. 350 p.

Scott, Peter et al. 1994. The World Atlas of Birds. Crescent Books, New York, NY. 272 p.

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Red-tailed Hawk

Birds of Prey in Oklahoma (red-tailed hawk fact sheet)

Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, New York, NY. 1109 p.

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Snowy Owl

Birds of Prey in Oklahoma (snowy owl fact sheet)

Canadian Wildlife Service: Hinterland Who’s Who (snowy owl fact sheet)

Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, New York, NY. 1109 p.

The Raptor Center (snowy owl fact sheet)

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Spectacled Owl

Sarro, Steven J. June, 1996. Spectacled Owl Overview. Regional Studbook.

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Turkey Vulture

BBS

Birds of Prey in Oklahoma (turkey vulture fact sheet)

Terres, John K. 1980. The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, New York, NY. 1109 p.

The Raptor Center (turkey vulture fact sheet)

Woodland Park Zoo Animal Management Staff: Personal Correspondence

White-faced Whistling-Duck

Waterfowl Page (white-faced whistling duck fact sheet)

Woodland Park Zoo Animal Management Staff: Personal Correspondence

Woodland Park Zoo - Teachers Packet Fact Sheet (White-faced whistling duck)

White-naped Crane

Austin, Oliver L., Jr. and Arthur Singer. 1961. Birds of the World. Golden Press, New York, NY. 316 p.

Rutgers A. and K.A. Norris, ed. 1970. Encyclopedia of Aviculture, Volume 1. Blandford Press, London, England. 350 p.

Scott, Peter et al. 1994. The World Atlas of Birds. Crescent Books, New York, NY. 272 p.

Woodland Park Zoo Animal Management Staff: Personal Correspondence