Sphenisciformes

Penguins are a group of aquatic, flightless birds living almost exclusively in the Southern Hemisphere, especially in Antarctica. Highly adapted for life in the water, penguins have countershaded dark and white plumage, and their wings have evolved into flippers. Most penguins feed on krill, fish, squid and other forms of sealife caught while swimming underwater. They spend about half of their lives on land and half in the oceans. Although all penguin species are native to the Southern Hemisphere, they are not found only in cold climates, such as Antarctica. In fact, only a few species of penguin live so far south. Several species are found in the temperate zone, and one species, the Galápagos Penguin, lives near the equator. For more information, visit the Wikipedia entry. Get back to Aves
Adélie penguin	African penguin	†Anthropornis	Chinstrap penguin
Emperor penguin	Erect-crested penguin	Galapagos penguin	Gentoo penguin
Humboldt penguin	King penguin	Little penguin	Macaroni penguin
Magellanic Penguin	Rockhopper penguin	Royal penguin	Yellow-eyed penguin

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