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Koalas Have 2 Opposable Thumbs
Koalas are specially adapted for life in the trees. While not technically classified as thumbs, koalas do have two opposable digits on their hand. Their remaining three fingers are on the other side, giving them a total of five digits in their claws, just like a human hand. Having two thumbs gives you a good grip on a tree! There are additional traits of the koala that make it especially adept at climbing. The animals have a short muscular body with longer upper limbs to help them climb.