Did you know that dolphins always sleep with one eye open?
The tongue of a blue whale is as long as an elephant.
Were you aware that in a fight between a bear and a lion, the bear would win.
If you will keep a goldfish in the room without light for a long time, it will naturally turn white. Also you should know that dry fish food can make your favorite goldfish constipated.
A house fly lives about 14 days.
Chickens unable to swallow food while they are upside down.
Duck's quack doesn't echo, and nobody knows why.
Most stupid domestic animal is the turkey.
Snakes hear through their jaws.
No two zebras have the same pattern of stripes.
Did you know that all bulls are color blind.
Male mosquitoes are vegetarians. Only females bite humans. They also have 47 teeth.
A dog was the first in space and a rooster and a duck were the first "pilots" in a air balloon.