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 tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Lobsters have blue blood.
476
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20