Iguanas have two penises!
55
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Polar bear fur is not white, it's clear.
74
A hummingbird weighs less than a penny.
1k
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Penguins can convert salt water into fresh water.
97