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 group of unicorns is called a blessing.
304
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The largest earthworm on record was found in South Africa and measured 22 feet.
151
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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The elephant brain weighs about 6,000g.
274
A giraffe's kick is so powerful that it can decapitate a lion.
216
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20