The penguin is the most familiar of all Antarctic penguin species. The was named after d'Urville—the wife of French polar explorer, are on average smaller than all other species of penguins.penguins are known to form large colonies, sometimes consisting of more than 200,000 pairs of birds. They breed on rocky coasts and islands where each mating pair constructs a nest made out of stones. In early November, the female lays two light-green eggs and the parents take turns incubating the egg and foraging for food in the sea.The color pattern of penguins is the classic penguin pattern. have a bright white belly and chest which contrasts sharply with their black back, wings, and head. penguins are easily distinguished by the white rings around their eyes. The plumage of both males and females is similar.The penguin population is considered stable and is perhaps increasing. International estimates that there are between 4 and 5 million adult penguins. Since the population is dependent on the abundance of krill in the seas surrounding Antarctica, scientists use these birds as an indicator species to gauge the health of the waters around the earth's southernmost landmass.
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