Sheep, goats, octopuses, and toads have rectangular pupils.
7
The octopus does not have a blind spot.
273
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4