Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
The head of a jellyfish is called the "Bell."
6
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A dork is a whale's penis.
327
Domestic pigs average a top speed of about 11 miles per hour.
182
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