Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A group of kittens is called a "kindle".
10
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Bats sleep 18-20 hours per day.
5
The head of a jellyfish is called the "Bell."
6
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Cows can sleep standing up, but they can only dream lying down.
745