Lake Nicaragua in Nicaragua is the only fresh water lake in the world that has sharks.
28
A moth has no stomach.
23
A cow produces around 200,000 glasses of milk in her lifetime.
373
Rats can tell the difference between two human languages.
49
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
On average, it takes 660 days from conception for an elephant to give birth.
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