Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A lion in the wild usually makes no more than twenty kills a year.
186
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Gorillas can catch human colds and other illnesses.
205