Vultures under threat in southern Africa

Vulture numbers are under threat from poachers who are poisoning rhinos and elephants in southern Africa, wildlife experts have warned.

Vultures are not one of natures most glamorous creatures as they feed on the dead carcasses of other animals. But they play a vital role in the wild.

Now poachers are killing them to try and cover up their illegal activities. Martin's report has some images you may find upsetting.