Bats sleep 18-20 hours per day.
5
There are approximately three chickens for every human on Earth.
13
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A lion in the wild usually makes no more than twenty kills a year.
186
Two dogs were among the Titanic survivors.
262
Cows can sleep standing up, but they can only dream lying down.
745
Dogs have been man's pet for over 14,000 years.
224
The elephant brain weighs about 6,000g.
274