Endangered Species

Watch a chimp use a tool to knock down a drone

12 surprising flightless birds

This guy is walking 1,800 miles across Madagascar to look for an elusive lemur

Sea turtles are reclaiming the Georgia coast

Wolf pack discovered in California for first time after 91-year absence

5 startling statistics about elephants on World Elephant Day

Pint-sized baby wallaby peeks out of mom's pouch

Can smart phones help fishermen protect endangered wildlife?

Australia declares 'war on cats'

Baby orca learns how to breach and can't stop leaping for joy

Newfound family offers hope for Earth's rarest ape

6 things to know about Earth's 6th mass extinction

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