The Basenji dog is the only dog that is not able to bark.
4
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Sharks have been on the planet longer than trees.
14
A domestic cat can sprint at about 31 miles per hour.
274
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328