And it's people who are to blame for most of the danger to animals, because our activities are destroying the places the animals like to live in.
There are three species of animals that are most endangered:
- The Saiga antelope, found in central Asia
- The wild Bactrian camel, from China
- The Iberian lynx, from Mediterranean woodland
But there is some good news.
Two animals that were thought to be extinct having been rediscovered - a type of stick insect in Australia and a kind of vole in Germany.