The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The reindeer is the only mammal that can see UV light.
17
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17