Toni, I just had a chance to look up Calliope Hummingbirds and I don't think that's what mine is. He's not that small and doesn't have the markings and white underparts as described & illustrated here:
http://identify.whatbird.com/o...
I believe he is an Anna's Hummingbird, one of the more common ones.
http://www.bird-friends.com/Bi...