Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
33
A scorpion can hold its breath for up to 6 days.
19
A cat's jaws cannot move sideways.
194
The faster a kangaroo hops, the less energy it burns!
58
Americans spend more than 5.4 billion dollars on their pets each year!
10
The blesbok, a South African antelope, is almost the same color as grapejuice.
14
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20