Tigers can see 6 times better at night than humans.
305
Only 3% of bird species have penises.
0
A group of kittens is called a "kindle".
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Denmark has twice as many pigs as there are people.
66
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456