Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Lobsters have blue blood.
476
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Denmark has twice as many pigs as there are people.
66
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
The seahorse is the only fish to have a neck.
12
Early American humans hunted car-size armadillos and used their shells for houses.
12