David Attenborough tells the story of the animal that once bewildered scientists: the chameleon. Watch the full documentary David Attenborough's Natural Curiosities on BBC Select.

This story appears in the September 2015 issue of National Geographic magazine. For sheer breadth of freakish anatomical features, the chameleon has few rivals. A tongue far longer than its body ...

The charity’s conservationists will work to safeguard the tiny Nguru spiny pygmy chameleon, which blends in with the leaf litter and lower vegetation of its montane forest habitat in Tanzania ...