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
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
A dairy cow can produce more milk when listening to music.
446
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The elephant brain weighs about 6,000g.
274