A group of kittens is called a "kindle".
10
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Whales and dolphins can't taste anything other than salt.
11
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212