Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Penguins have a gland above their eye that turns saltwater into freshwater.
12
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
A group of kittens is called a "kindle".
10
Sheep, goats, octopuses, and toads have rectangular pupils.
7