On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Female kangaroos have three vaginas.
2
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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The reindeer is the only mammal that can see UV light.
17
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492