Mammals

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Gorillas Hunted for Bushmeat in Congo

Is Yawning Contagious for Chimpanzees Too?

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Seven Threatened Cats You May Not Know

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Orangutans Use Leaves to Sound Bigger

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Humans Steal Food From Lions

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Is My Cat Right- or Left-Handed?

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Lion Prides and Street Gangs

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Humans Don’t Have the Last, or Only, Laugh

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Howl at the Moon for Science

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The Cat’s 10,000-Year Journey to Purring on Your Lap

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The Hubbub About Ida

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The Avenging Narwhal Play Set

Orangutans

A Newly Discovered Orangutan Population on Borneo

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Why We Don’t Have a Baby Panda

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Dolphin Bubble Rings

The dolphins at SeaWorld Orlando have learned an interesting trick all on their own: they create rings of bubbles and play with them

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Picture of the Week—Underwater Tiger

A gray wolf in Yellowstone National Park.

Wolves to Lose Protection in Idaho and Montana

Since the first wolves were reintroduced in Yellowstone National Park in 1995, the population has grown to 1,500 or more

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Meerkats and Ground Squirrels Live Together, Respond to Threat Differently

Charles Darwin

Emotional Expression in Apes Going Ape

One of the big themes of this year's AAAS meeting was—you guessed it— Charles Darwin

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How Many Ugandan Mountain Gorillas?

Mountain gorillas are rare and endangered, and they have the misfortune to live in a part of the world wracked by human violence

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