A group of kittens is called a "kindle".
10
The Basenji dog is the only dog that is not able to bark.
4
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The reindeer is the only mammal that can see UV light.
17
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Two dogs were among the Titanic survivors.
262