Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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
Dogs sometimes fake being sick to get attention.
26
Lobsters have blue blood.
476
Sharks have been on the planet longer than trees.
14