The oceans were small blue patches on a world gone mostly red.

Both sexes have a blue patch of skin around the eyes.

Then a single red dot flashed in the heart of the blue patch.

There have always been some who didn't have blue patches.

A blue patch was seen only last week, a real hole in the sky.

Of course, one did keep away from the "blue" patches where radiation still meant death even after all these years.

During breeding, the male has bright blue patches on its head and other areas.

According to the book it was now time for the blue patches to begin to fade.

He couldn't take his eyes off the angry blue patch on the infant's side.

"Why is there that big blue patch at the center, then?"