Tuesday 18 June 2013

Apply - Food Chain

The Adélie is one of two penguin species that breed only on the Antarctic continent. They generally stay within the waters of the Southern Ocean to the south of the Antarctic Convergence (the region where the great oceans—the Atlantic, the Pacific and the Indian oceans—meet in the cold waters of the Southern Ocean surrounding Antarctica). They are only spotted every now and then in the South Atlantic waters  that surround the Falkland Islands and in the waters of the South Pacific near New Zealand.

Adelie  penguins make rocky nests to shelter


Adélie penguins may actually benefit from warmer global temperatures, the opposite of other polar species, according to a breakthrough study by an international team led by University of Minnesota Polar Geospatial Centre researchers. The Adelie penguin population increased by 84% since climate change near Ross islands. But more research will have to take place to know for sure.

 
Adelie Penguins can survive the cold because they have a thick layer of fur that blocks out the cold and keeps them warm in winter. They also have a thick layer of skin called blubber , blubber is another word for fat . They also stay in the ocean most of their time because it is warmer than on the ice. There are many factors that play a part in the survival of the penguins. Their feathers help to keep them warm on land, and their fat storage helps on land and in water. Their flippers and feet are not operated in the actual limb, they are operated from inside their body, where the main moving parts can be kept warm. They also can tuck them towards their body when needed. They know not to lie down on the snow and ice. They also travel in humongous packs that provide a 'sharing of body heat' kind of concept.

 

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