The shining sunbeam is a species of hummingbird in the "brilliants", tribe Heliantheini in subfamily Lesbiinae. It is found in Colombia, Ecuador, and Peru. The Shining Sunbeam is a large, dark-brown hummingbird with a lilac-gold iridescent lower back and rump. Like other sunbeams, it has a proportionally short bill for a hummingbird. Found at high altitudes, the Shining Sunbeam inhabits semi-arid montane ridges and cloud forests.
Scientific name: Aglaeactis cupripennis
Conservation status: Least Concern (Population stable)
Rank: Species
The nominate subspecies of shining sunbeam is found in all three Andean ranges of Colombia and south from there through Ecuador to Peru's departments of La Libertad and Huánuco. A. c. caumatonota is found in Peru from the nominate's range south to the departments of Lima and Cuzco.