Jellyfish as a species are actually older than dinosaurs and sharks.
383
Sharks, like other fish, have their reproductive organs in their chests.
248
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 most expensive cow in the world was sold in 2009 for $1.2 million.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13