Male monkeys lose the hair on their heads in the same way men do.
41
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
Goldfish lose their color if they are kept in dim light or are placed in a body of running water, such as a stream.
12
It is physically impossible for pigs to look up into the sky.
361
Dogs sometimes fake being sick to get attention.
26
Bluebirds cannot see the color blue.
40
A Koala Bear sleeps 22 hours of every day.
20