Historically referred to as the Golden‑bellied Trochilus, this species of hummingbird is endemic to endemic to the Mérida Andes of western Venezuela. They are primarily distinguished from other hummingbirds by the combination of their straight, long bills, bold, buffy‑orange wing patches, and distinctive iridescent frontlets, which are patches on their foreheads. In this ornithological study, three are depicted with their vibrant green plumage and iridescent orange colouring, with one feeding from a flowering Echeveria.