This creature – a Jackson’s chameleon – isn’t a dinosaur, but it bears a striking resemblance to the three-horned triceratops, which lived 66 million years ago. This is a male Jackson’s chameleon ...

A male Jackson’s chameleon 2. Disguise is not the only reason chameleons change colour. They become darker when it’s cold to better absorb heat and they become lighter to reflect warmth when ...