Sloths take two weeks to digest their food.
243
Dolphins have names for one another.
18
Cows can sleep standing up, but they can only dream lying down.
745
The cat brain weighs about 30g.
167
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Mosquitoes don't just bite you, they also pee on you.
11