A scorpion can hold its breath for up to 6 days.
19
Sharks have been on the planet longer than trees.
14
Denmark has twice as many pigs as there are people.
66
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
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Condoms were originally made of animal intestines or linen.
347