Dogs sometimes fake being sick to get attention.
26
Only 3% of bird species have penises.
0
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
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