The largest earthworm on record was found in South Africa and measured 22 feet.
151
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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
The reindeer is the only mammal that can see UV light.
17
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Whales and dolphins can't taste anything other than salt.
11