Mosquitoes don't just bite you, they also pee on you.
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When dragonflies mate, their tails form a love heart.
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Only 3% of bird species have penises.
0
A group of pugs is called a grumble.
10
Penguins have a gland above their eye that turns saltwater into freshwater.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
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.
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