Extinction

Earth's tiniest porpoise approaches extinction

Hawaiian crows return from extinction in wild

Baby dinosaur's tail — with feathers — found in 99 million-year-old amber

7 interesting facts about Lucy the ancient ape

Ancient sea cow fossil found in decades-old street slab in Spain

The animals in this video aren't around any more

10 animals presumed extinct in the last decade

U.S. declares bees endangered for first time

8 species on life support

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

Endemic species: Top 9 lonely animals

Rare aquatic cats that fish with their paws are on the brink of extinction

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