Crocodiles swallow stones to help them dive deeper.
55
The average housefly lives only two weeks.
39
Given the opportunity, deer will chew gum and marijuana.
40
There is a species of clam that can grow up to four feet long and weigh up to 500 pounds.
89
Tigers can see 6 times better at night than humans.
305
The lifespan of the common goldfish is over 20 years!
60
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20