| Physical DescriptionAverage weight: male 3.09 g, female 3.42 g. The female is 
                    larger than the male.
 PlumageAdult male: Metallic green back, crown, and breast 
                    (one photo shows a grayish breast); black gorget with purple 
                    throat band, white collar. The least colorful of US hummers.
 Adult female: Green back and crown, white breast, white throat 
                    with some black spots, buff sides, white tips on outer tail 
                    feathers.
 Distribution
 Observed in Alabama, Arizona, Arkansas, California, Colorado, 
                    Florida, Georgia, Idaho, Kansas, Louisiana, Massachusetts, Mississippi, Missouri, 
                    Montana, Nevada, New Mexico, Oklahoma, Pennsylvania, Oregon, South Carolina, Tennessee, 
                    Texas, Utah, Washington, West Virginia, Wyoming, British Columbia, and Saskatchewan.
 For maps showing population distribution and trends, see 
                    the National Biological Service's North American Breeding 
                    Bird Survey species 
                    account. |