Cats recognise the voice of their owner, but never evolved to care.
22
A domestic cat can sprint at about 31 miles per hour.
274
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
A dairy cow can produce more milk when listening to music.
446
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
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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57