The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Cats recognise the voice of their owner, but never evolved to care.
22
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
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
The reindeer is the only mammal that can see UV light.
17