One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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 puppy is born blind, deaf, and toothless.
16
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The colossal squid has the largest eyes in the world.
4
In 1949, an official boxing match between a bear and a man was held. The bear won.
41