The largest earthworm on record was found in South Africa and measured 22 feet.
151
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The Basenji dog is the only dog that is not able to bark.
4
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The reindeer is the only mammal that can see UV light.
17