Guatemala Birding Tours: The Magnificent Hummingbird (Eugenes fulgens) The Magnificent Hummingbird (Eugenes fulgens) is a large hummingbird that breeds in mountains from the southwestern United States to western Panama. It is the only member of the genus Eugenes, although the northern, nominate subspecies E. f. fulgens has on occasion been separated from the larger, southern race of Costa Rica and Panama, E. f. spectabilis, as Rivoli's Hummingbird. This bird inhabits the edges and clearings of montane oak forests from about 2000 meters to the timberline. This large species can range from 11–14 cm (4.3–5.5 in) in length and can weigh from 6 to 10 g (0.21 to 0.35 oz), with males being typically a little larger than females. Of the hummingbirds found in the United States, the Magnificent Hummingbird is one of the two largest species being rivaled only by the Blue-throated Hummingbird. In the southern reaches of its range, the Magnificent may co-exist with other humming