Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
33
The faster a kangaroo hops, the less energy it burns!
58
Sheep outnumber humans in New Zealand 15 to 1.
33