91̽»¨ÊÓÆµ

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Department of 91̽»¨ÊÓÆµ

 

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Now represented by only two living genera restricted to tropical forests, sloths once were a dominant group within South American ecosystems until as recently as 10 ka, right before the last ice age extinction. Fossil sloths are considered plant eaters, like their modern relatives, but their...