The colossal squid has the largest eyes in the world.
4
Tigers can see 6 times better at night than humans.
305
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Jellyfish as a species are actually older than dinosaurs and sharks.
383