Cows can sleep standing up, but they can only dream lying down.
745
One in three dog owners say they have talked to their pets on the phone.
427
There are approximately three chickens for every human on Earth.
13
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12