A puppy is born blind, deaf, and toothless.
16
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
The colossal squid has the largest eyes in the world.
4
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
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Sharks have been on the planet longer than trees.
14