Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cows can sleep standing up, but they can only dream lying down.
745
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9