[Free Registration/Login may be required to access all resource tools.] About 10,000 bird species belong to 29 different orders within the class Aves. The diversity among birds is striking. Birds can vary greatly in size and color. Some...

This multi-media site includes video and audio clips about the Emperor Penguin. A great site for research projects, fun facts, maps and more.

Provides an overview of the Dodo, including its history, habitat, appearance, diet, and much more. Images of this species and statistics can also be found here.

A look at what fossil evidence reveals about the life and ecological interactions of the flightless auk.

This excellent resource from the San Diego Zoo presents extensive information on emus including details about their habitat, physical characteristics, size, diet, family life, conservation status, and fun facts.

Meet the emu and discover fascinating facts and statistics. Learn about its physical characteristics, habitat, diet, behavior, breeding patterns, conservation, and more.

What do you know about the world of penguins? This PBS site features information about these flightless birds. Come and check out this extraordinary resource.

BBC Wildlife profiles the largest penguin species, the Emperor penguin of Antarctica, with facts and photographs.

The Denver Zoo features a comprehensive overview of the emu focusing on its habitat, range, adaptations, diet, physical characteristics, and more.

This site provides a detailed overview of the Emperor Penguin. Content includes a focus on this bird's physical characteristics, geographic range, natural history, economic importance for humans, and more.

Discover interesting facts about these flightless birds. Take a quiz after you have finished reading about them and see how much you have learned.

A male brown Kiwi is seen carefully walking over leaves and twigs on the ground in an area located in the North Island of New Zealand. The kiwi is a flightless bird and a national symbol of New Zealand. They lay eggs that are bigger than...