Dolphins sleep with one eye open!
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Lake Nicaragua in Nicaragua is the only fresh water lake in the world that has sharks.
28
The average 1 1/4 lb. lobster is 7 to 9 years old.
13
Some lions mate over 50 times a day.
61
Emus and kangaroos cannot walk backwards.
26
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
World's heaviest primates: morbidly obese humans. After that: gorillas at 485 lbs.
106