Cows can sleep standing up, but they can only dream lying down.
745
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
A giraffe's kick is so powerful that it can decapitate a lion.
216
The reindeer is the only mammal that can see UV light.
17
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
The elephant brain weighs about 6,000g.
274
Domestic pigs average a top speed of about 11 miles per hour.
182
There are approximately three chickens for every human on Earth.
13