Ten animals you probably didn't know were endangered species

You may be surprised to find these amazing animals on the list of endangered species.

This video lists the top 10 animals that you may not have realised are actually under serious threat.

See also: Puffins and curlews at risk of joining Britain's endangered birds

See also: Global wildlife faces mass extinction due to human action

Hummingbirds, the wild Water buffalo and the gorilla are all at risk of being wiped off the planet unless action is taken now. To find out how you can join the campaign to help prevent this, visit WWF.