Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Denmark has twice as many pigs as there are people.
66
Mosquitoes don't just bite you, they also pee on you.
11
Squirrels forget where they hide about half of their nuts.
698
The elephant brain weighs about 6,000g.
274
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21