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
Cows can sleep standing up, but they can only dream lying down.
745
A dairy cow can produce more milk when listening to music.
446
Nicole Kidman is scared of butterflies.
65
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Bats sleep 18-20 hours per day.
5
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
A cow produces around 200,000 glasses of milk in her lifetime.
373