Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
There's a rare breed of pig that looks like a sheep.
14
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10