The oldest recorded elephant lived for 82 years.
213
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Bats sleep 18-20 hours per day.
5
The Basenji dog is the only dog that is not able to bark.
4
Only 3% of bird species have penises.
0