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 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2