Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Female kangaroos have three vaginas.
2
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12