The colossal squid has the largest eyes in the world.
4
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 largest earthworm on record was found in South Africa and measured 22 feet.
151
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
When cats are happy, they may squeeze their eyes shut.
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