A queen bee uses her stinger only to sting another queen bee.
39
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
25
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Roosters can't crow if they can't fully extend their necks.
28
A moth has no stomach.
23
Baby rabbits are called kittens.
6