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The Wild Classroom: Bird Orders of the World
Find information here about all the bird orders in the animal kingdom. Includes living and extinct species.
Cornell Lab of Ornithology
Cornell Lab of Ornithology: Modern Extinctions on Mainland North America
Since 1850 North America has lost three bird species--the Labrador Duck, Passenger Pigeon, and Carolina Parakeet--and the continued existence of another three is unlikely, namely the Eskimo Curlew, Ivory-billed Woodpecker, and Bachman's...
Bagheera
Bagheera: Endangered Species
Bagheera provides an education site devoted to educating people about vanishing and extinct animals and their impact on the environment.
Canadian Museum of Nature
Canadian Museum of Nature: Carolina Parakeet
The Carolina parakeet was once found in the southern United States but is now extinct. The reasons are explained here and you can see a drawing of this lost bird.
Canadian Museum of Nature
Canadian Museum of Nature: Great Auk
A profile of the extinct Great Auk is provided here by the Canadian Museum of Nature.
Globio
Glossopedia: Feathers
Birds have them, and so did some species of extinct dinosaurs. They're feathers. They come in different shapes and sizes, all colors, and they enable birds to fly. Lots of information can be found in this article.
Canadian Museum of Nature
Canadian Museum of Nature: Natural History Notebooks
This site from the Canadian Museum of Nature, a natural history museum, provides short information blurbs and fun facts on over 240 different common animals categorized by type (mammals, fish, reptiles, invertebrates, amphibians,...