Early American humans hunted car-size armadillos and used their shells for houses.
12
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Lobsters have blue blood.
476
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Dogs sometimes fake being sick to get attention.
26
Cows can sleep standing up, but they can only dream lying down.
745