There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Dogs sometimes fake being sick to get attention.
26
Sharks, like other fish, have their reproductive organs in their chests.
248
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
Alligators can live up to 100 years.
337
Only 3% of bird species have penises.
0