Why Sloth Fur is Perfect for an Upside-Down Life Gorgona Snake Prison Island

In mammals, hair parts grow along the spine and flow down the back to the belly. Because sloths spend most of their life upside-down in the trees, its fur grows the other way–belly to back–allowing it to drip dry from the rain. Free to watch on Dr.Doc Kids.

Courtesy of Smithsonian Channel on YouTube. Watch on YouTube ↗

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