Dolphins nap with one eye open.
-7
Polar bear fur is not white, it's clear.
74
The world's oldest crow was 59 years old. Its name was Tataji.
215
Giraffes are unable to cough.
50
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The giant squid has the largest eyes in the world.
62