Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Parrot parents "name" their children with a signature call.
112
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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