It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
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
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Only 3% of bird species have penises.
0
The Basenji dog is the only dog that is not able to bark.
4