Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Bats sleep 18-20 hours per day.
5
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27