In 1949, an official boxing match between a bear and a man was held. The bear won.
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Bats sleep 18-20 hours per day.
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Sharks, like other fish, have their reproductive organs in their chests.
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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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16