John Shaw / Violet-tailed sylph hummingbird (Aglaiocercus coelestis) in flight, about to land. Ecuador, May.

Melvin Grey / Violet-tailed sylph hummingbird (Aglaiocercus coelestis) hummingbird adult male, approaching flower to feed, Tandayapa, Ecuador

Tui De Roy / Violet tailed sylph (Aglaiocercus coelestis) Guango private reserve, Papallacta Valley, Andean Cloud Forest, East slope, Ecuador

Rolf Nussbaumer / Violet-tailed Sylph (Aglaiocercus coelestis), male feeding on ginger flower in rain, Mindo, Ecuador, Andes, South America, January

Lucas Bustamante / Violet-tailed sylph hummingbird (Aglaiocercus coelestis) Mindo, Pichincha, Ecuador .

Thomas Marent / Violet-tailed Sylph (Aglaiocercus coelestis) hummingbird male feeding on flower nectar, Las Tangaras Bird Reserve, Colombia

Thomas Marent / Violet-tailed Sylph (Aglaiocercus coelestis) hummingbird male, Las Tangaras Bird Reserve, Colombia

Thomas Marent / Violet-tailed Sylph (Aglaiocercus coelestis) hummingbird juvenile, Las Tangaras Bird Reserve, Colombia

Melvin Grey / Violet-Tailed sylph hummingbird (Aglaiocercus coelestis) flying to flower, Mindo Lomo, Ecuador

David Tipling / Violet-tailed Sylph (Aglaiocercus coelestis) male, Mindo, Ecuador.

Glenn Bartley / Violet-tailed Sylph (Aglaiocercus coelestis) male, Ecuador

Glenn Bartley / Violet-tailed Sylph (Aglaiocercus coelestis) male feeding on nectar, Ecuador