Cows can sleep standing up, but they can only dream lying down.
745
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
The first two years of a dog's life are equal to 24 human years.
25
Dogs and cats consume over $11 billion worth of pet food a year!
8
Sheep outnumber humans in New Zealand 15 to 1.
33
Only female mosquitoes bite and drink blood.
28
