On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
A giraffe's kick is so powerful that it can decapitate a lion.
216
The seahorse is the only fish to have a neck.
12
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Tigers can see 6 times better at night than humans.
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