Megafauna's Adapting Diets
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kangaroo extinctionPhys Org
•Science
Science
Study challenges a major theory on why some kangaroos mysteriously went extinct
87% Informative
By 40,000 years ago , 90% of large species in Australia had died out.
Megafauna is a loose term referring to all species present in the Pleistocene of Australia .
Some researchers argue megafaunal species were wiped out by climate change associated with the last ice age.
Authors: Broad diets would have made short-faced kangaroos well adapted to climate change.
Evolution has changed the shape of these two kangaroo species down different paths, adapted to eating different foods.
But this adaptation doesn't dictate that an animal only eats one type of food, especially in an environment with plentiful nutritious vegetation.
Mixed feeding among many kangaroos today shows long-faced roos are not bound to grazing.
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