Tail Facts

Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.

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.

A comet's tail always points away from the sun.