Rufous Hummingbird
The
Rufous Hummingbird is a small hummingbird, known for its aggressiveness. They can be found in California in spring, Pacific Northwest and Alaska in summer,
and in the Rocky Mountains in fall, when they make their annual circuit of the West.
Allen’s Hummingbird
The
Allen's Hummingbird is a Western U.S. hummingbird species that is relative to the Rufous Hummingbird. It is a small, compact, and stocky hummingbird that is remarkably an early migrant compared with most of the North American birds.