A cow produces around 200,000 glasses of milk in her lifetime.
373
Dogs sometimes fake being sick to get attention.
26
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When dragonflies mate, their tails form a love heart.
22