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 most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Mosquitoes don't just bite you, they also pee on you.
11
Female kangaroos have three vaginas.
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During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Domestic pigs average a top speed of about 11 miles per hour.
182
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1