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 42-foot sperm whale has about 7 tons of oil in it.
209
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The octopus does not have a blind spot.
273
A giraffe's kick is so powerful that it can decapitate a lion.
216
A group of kittens is called a "kindle".
10