Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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