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[[File:Chinstrap penguin-Deception.jpg|thumb| | [[File:Chinstrap penguin-Deception.jpg|thumb|350px|Chinstrap penguin]] | ||
'''Penguins''' (order Sphenisciformes, family Spheniscidae) are a group of aquatic, flightless birds. 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, [[glacial squid|squid]] and other forms of sea life caught while swimming underwater. They spend about half of their lives on land and half in the oceans. | '''Penguins''' (order Sphenisciformes, family Spheniscidae) are a group of aquatic, flightless birds. 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, [[glacial squid|squid]] and other forms of sea life caught while swimming underwater. They spend about half of their lives on land and half in the oceans. | ||
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==Living species== | ==Living species== | ||
[[File:Emperor Penguins-Snow Hill Island.jpg|thumb| | [[File:Emperor Penguins-Snow Hill Island.jpg|thumb|300px|Emperor Penguins and their chick]] | ||
* '''Aptenodytes – great penguins''' | * '''Aptenodytes – great penguins''' | ||
** [[King penguin]] | ** [[King penguin]] |