The cat brain weighs about 30g.
167
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
A dork is a whale's penis.
327
Two dogs were among the Titanic survivors.
262
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12