or·ni·thol·o·gy (ôrn-thl-j)
n.

1. The branch of zoology that deals with the study of birds.
orni·tho·logic (-th-ljk) or orni·tho·logi·cal (--kl) adj.
orni·tho·logi·cal·ly adv.
orni·tholo·gist n.

• Alberta's Endangered Species - Learn what it means when a species is 'endangered?'
•  All about Birds - Birds are warm-blooded vertebrate animals that have wings, feathers, a beak, no teeth, strong, hollow bones, a skeleton in which many bones are fused together or are absent, powerful flight muscles, and an extremely efficient, one-way breathing system.
• Amber Habib's Bird Page
• American Bald Eagle - The bald eagle (Haliaeetus leucocephalus), our national bird, is the only eagle unique to North America.
• Bird Images Gallery - Large gallery of photos.
• Bird of Prey - Photos of birds of prey that can be seen in the western United States. Barbara Samuelson.
• Bird Photo Gallery - This site contains bird photos from California and Hawaii by Peter LaTourrette.
• Bird Photographs - Listed as threatened in the Red Data Book of Japan.
• Bird Songs - Songs and calls of some New York State birds.
• BirdSource - A partnership of The Cornell Lab of Ornithology and the National Audubon Society offers insight into the dynamics of North American Bird populations.
• Birds123 - Info on bird feeder, nest boxes, bird houses, cages, bird medicine and pet birds.
• Birds - Cornell Lab - We believe that bird enthusiasts of all ages and skill levels can and do make a difference.
• Birds of East Africa .
• Birds of Prey - Photos and information about birds of prey of North America.
• Birds of Prey - Total Index Birds of Prey sorted by Scientific name..
• CalPhotos - Browse Birds.
• Castlebury Wild Bird Photography - Original Bird Photographs by Bobby Castlebury.
• Chipper Woods Bird Photos - This site is designed as a resource to students, teachers, researchers and backyard birders who want to learn more about birds and conservation issues. Also in Spanish.
• CREAGRUS @ Monterey Bay - Don Roberson, Featuring Bird Families of the world and Monterey County birds & cetaceans.
• East Coast Birds! - Close your eyes and imagine for a moment the sounds and sights of Canada's East Coast.

• Falconry - Falconry is an art. It requires long hours, constant devotion, finesse, subtlety and skill.
• FLMNH - Photo Gallery of Southeastern U. S. Birds predominantly features photographs by arbovirologist - photographer Dr. Dan Sudia.
• GA/FL Bird Photos - Presented by B.J. Bergstrom.
• Greg Lasley Photography - Devoted to a variety of birding, bird and wildlife photography, and natural history topics.
• Introduction to the Aves - The vertebrate class Aves includes the birds, an extremely distinctive and successful clade, with an estimated 9000 species worldwide, including the snowy owl pictured here.
• Kentucky Ornithological Society's - Kid's Page.
• Knutsford Ornithology - The Birds and Birders of Knutsford North-west England.
• New Orleans Zoo--Birds..
• Operation RubyThroat - An award-winning cross-disciplinary project in which participants in the U.S., Canada, Mexico, and Central America collaborate to study behavior and distribution of the Ruby-throated Hummingbird (Archilochus colubris).
• Other North American Birds of Prey - ...include hawks, falcons, owls, vultures and condors.
• Owls of the World - Hundreds of pictures and info about Owls.
• OwlCam - Share in the adventures of a pair of Northern Barred Owls (Strix varia varia) as they raise their family in a nest box...
• Photographs of Birds and Mammals - Seen in Madagascar in 1998.
• Southern African Birding - Birding Resources for Southern Africa.
  
• South-East Asian Birds - Photo Gallery-by Christian Artuso.
• The Canadian Peregrine Foundation -a registered charity dedicated to assisting the recovery of the peregrine falcon and other Canadian raptor species.
• The Owl Pages - ...sheds some light on these mysterious creatures...
• The Raptor Center - Click here to learn about Raptors. Raptor Facts brief information sheets about some of the species of birds of which The Raptor Center has treated.
• The Raptor Center - The University of Minnesota.
• Unusual Birds In Wisconsin - These identifications are made pending review by the WSO Records Committee.

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