YAWN!

Video: Dr N Kimura

At up to 1.5 metres (5 feet) long, the Japanese Giant Salamander is the second biggest amphibian in the world, second only to its closely related and almost identical, Chinese cousin.

Seeing them yawn is, well, you know how Jonah spent three days in the belly of a whale? This is probably about as close as you can get without getting your feet wet.