Cat Nap: White Tiger, Lion Snuggle Up
The fierce predators cuddle as they sleep at the Jungle Island Zoo in Miami.
Animals Just Like Us
A female gorilla named Efi uses a stick to poke the ground in an area called Mbeli Bai in the Republic of Congo's Nouabal-Ndoki National Park. Biologists have documented gorillas in the wild using simple tools, such as poking a stick in a swampy pool of water to check its depth. (Thomas Breuer/Wildlife Conservation Society/AP Photo )
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