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
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The seahorse is the only fish to have a neck.
12
Nicole Kidman is scared of butterflies.
65
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A dork is a whale's penis.
327
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9