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Three-Toed Sloth

Photo: A three-toed sloth
The three-toed sloth's long claws are well suited to an arboreal life, but hamper its mobility on the ground, leaving it vulnerable to predators.
Photograph by Joel Sartore


Tree-Dwelling Animal Features

Photo: Leopard hunting

Eye of the Leopard

Legadema has illuminated documentary filmmakers Beverly and Dereck Joubert's understanding of how a leopard learns and survives in the wild. Watch her in scenes from the Joubert's film, and find out how the production was made.

Photo: Jaguar

Amazing Amazonia

Get to know the diverse fauna of the Southwestern Amazonian Moist Forests, from tapirs to toucans to three-toed sloths, in this feature.

Photo: Eastern gray squirrel has a meal on a tree branch


Discover the rodent species that makes its home on almost every continent on Earth. Learn how the adaptive mammals have evolved to climb, burrow, and even fly.

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Photo: Horses and old barn

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