Despite their name, black bears show a great deal of color variation.

But in 2008, the color variation became four different tones.

It comes in various color variations, including red, green, and orange.

Scientists look at color variations and changes in plant height.

Growing conditions may be responsible for the color variations but this has not been proven.

The album was released in three different color variations of the cover: black, red and white.

"Most of our color variations lie in the red spectrum."

This printing was issued in at least six major color variations.

Specimens were shades of brown and white, although color variation is not known.

It comes in three color variations: silver, orange, and green.