Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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Cats and dogs can hear ultrasound.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Mosquitoes don't just bite you, they also pee on you.
11
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47