The blue-tailed skink is only a few centimetres long and as you can see, has a bright blue streak down its back to its tail. It's only found on Christmas Island, and when National Park staff found ...

This lizard, also known as Tiliqua rugosa, is a species of blue-tailed skink endemic to Australia ... Impalas are deer-like African animals with dark blue tongues that help them to eat vegetation ...

Found in the moss of a tree in a tropical lagoon, a new species has a tail longer than ... While the top of the skink is a metallic color, the bottom of the animal is blue, researchers said.