Since the first specimen taken by Xantus in 1857, these gaudy little Hummers have become one of the common species in some parts of California. They are more social than some other Hummers and are often seen in small companies. A number of pairs will select a favorite grove and build within short distance of each other. The male's pendulum swing is tremendous — 200 or more feet aloft and the downward swoop is accompanied by a shrill continuous note of sharp tone. As the young grow, the nest expands to accommodate their increasing size. Rather foresighted of the parents!
Southern California, New Mexico and Arizona.