The Basenji dog is the only dog that is not able to bark.
4
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
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Condoms were originally made of animal intestines or linen.
347
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2