Difference between revisions of "Adélie penguin"

Adélie penguin (view source)

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 ===Diet===
 [[File:Adélie Penguin feeding krill.jpg|thumb|right|Adélie penguin regurgitating krill for a chick.]]
-The Adélie penguin is known to feed mainly on [[Antarctic krill]], ice krill, [[Antarctic silverfish]], sea krill, and [[glacial squid]] (diet varies depending on geographic location) during the chick-rearing season. The stable isotope record of fossil eggshell accumulated in colonies over the last 38,000 years reveals a sudden change from a fish-based diet to [[krill]] that started 200 years ago. This is most likely due to the decline of the [[Antarctic fur seal]] since the late 18th century and baleen whales in the 20th century. The reduction of competition from these predators has resulted in a surplus of krill, which the penguins now exploit as an easier source of food.
+The Adélie penguin is known to feed mainly on [[Antarctic krill]], ice krill, [[Antarctic silverfish]], sea krill, and [[glacial squid]] (diet varies depending on geographic location) during the chick-rearing season. The stable isotope record of fossil eggshell accumulated in colonies over the last 38,000 years reveals a sudden change from a fish-based diet to [[krill]] that started 200 years ago. This is most likely due to the decline of the Antarctic fur seal since the late 18th century and baleen whales in the 20th century. The reduction of competition from these predators has resulted in a surplus of krill, which the penguins now exploit as an easier source of food.
 Jellyfish including species in the genera ''Chrysaora'' and ''Cyanea'' were found to be actively sought-out food items, while they previously had been thought to be only accidentally ingested. Similar preferences were found in the little penguin, yellow-eyed penguin, and Magellanic penguin.