Mammals

Black-footed ferrets at the National Zoo

Black-Footed Ferrets and Other Endangered Critters

The subject of endangered species can be a depressing one, but there are also many reasons to be hopeful

Kemp's ridleys are the world's smallest sea turtles and are also the most endangered.

North America’s Most Endangered Animals

Snails, marmots, condors and coral reef are among the many species on the continent that are close to extinction

A guanaco in Chile

Vegetation Determines Animal Migration Patterns

Scientists show that patterns in vegetation across a species' range determine whether and how it moves

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Bonobos Tell Each Other Where to Find the Yummy Foods

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Billionaire Branson to Release Lemurs on Caribbean Island

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Humpback Whale Songs Spread From West to East

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Fourteen Fun Facts About Golden Lion Tamarins

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Humans Pass on Deadly Infections to Endangered Mountain Gorillas

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Quagga: The Lost Zebra

In South Africa, quaggas were hunted to extinction in the late 1800s

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Studying the Bond Between a Cat and Its Human

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The Accidental Cure for Hair Loss

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Biology’s Ten Worst Love Stories

Animal sex can get pretty weird

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Crested Gibbons Sing in Different Dialects

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Are Humans an Invasive Species?

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Rare Sunda Clouded Leopards Come in Two Varieties

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The Elephant Family Tree, Extinct and Extant

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Young Female Chimpanzees Make "Dolls" of Sticks

Long-tailed Macaque

The World's Worst Invasive Mammals

Animals as common as goats, deer, rabbits or mice can have a devastating effect on other wildlife

Polar Bear at Cape Churchill (Wapusk National Park, Manitoba, Canada)

It's Not Too Late to Save the Polar Bear

In 2007, scientists from the USGS said that if humans didn't cut greenhouse gas emissions, two-thirds of the world's polar bears could be gone by 2050

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Honey Badgers Are Real

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