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
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
The cat brain weighs about 30g.
167
Domestic pigs average a top speed of about 11 miles per hour.
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