Is the Stone sheep the same as a Fannin Sheep?

And is the California Bighorn the same as the Desert Bighorn?

Check this link out for a good description of all types of sheep throughout the world

http://www.wildsheep.org/sheep/index.htm

click on each sheep for a description. Basically the Dall, Stone and Fannin are all thinhorns they just live in different areas and are different colors.