There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
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
Squirrels forget where they hide about half of their nuts.
698
The seahorse is the only fish to have a neck.
12
The octopus does not have a blind spot.
273