The Basenji dog is the only dog that is not able to bark.
4
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A scorpion can hold its breath for up to 6 days.
19
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Sharks, like other fish, have their reproductive organs in their chests.
248