The colossal squid has the largest eyes in the world.
4
Sloths take two weeks to digest their food.
243
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Cats and dogs can hear ultrasound.
350