It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Dogs can make about 100 different facial expressions.
18
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Domestic cats hate lemons or other citrus scents.
33
A duck's quack doesn't echo, and no one knows why.
173
Black bears are not always black. They can be brown, cinnamon, yellow, and sometimes white.
32
An ostrich's eye is bigger than its brain.
32
In just about every species of mammal, the female lives longer than the male.
43