Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Only 3% of bird species have penises.
0
A giraffe's kick is so powerful that it can decapitate a lion.
216
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 domestic cat can sprint at about 31 miles per hour.
274