Bats sleep 18-20 hours per day.
5
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Cows can sleep standing up, but they can only dream lying down.
745
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
There's a rare breed of pig that looks like a sheep.
14
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13