A two-headed turtle in New Jersey is being hailed ... Although most commonly observed in turtles and snakes the affliction has been documented in every critter from fish to pigs.

Chameleons, crocodiles, snakes: reptiles are truly ... the side of their triangular shaped head, as well as their long neck. The flaps camouflage the turtle and can detect vibrations of nearby ...

The images reveal the inner workings of a variety of different species, including frogs, snakes, geckos and turtles ... or the long tail-bones of a big-headed turtle," says Ms Macintosh.