Visuals Unlimited / Buff winged Starfrontlet (Coeligena lutetiae) hovering and feeding at a red tubular flower at the Yanacocha Reserve, Ecuador.

Visuals Unlimited / Buff winged Starfrontlet (Coeligena lutetiae) hovering and feeding at a red tubular flower at the Yanacocha Reserve, Ecuador.

Tui De Roy / Buff winged starfrontlet (Coeligena lutetiae) rear view, Yanacocha Reserve, Jocotoco Foundation, 3,200m altitude on west slope of Pichincha Volcano, Andean cloud forest, Ecuador

Tui De Roy / Buff winged starfrontlet (Coeligena lutetiae) Yanacocha Reserve, Jocotoco Foundation, 3,200m altitude on west slope of Pichincha Volcano, Andean cloud forest, Ecuador

Tui De Roy / Buff winged starfrontlet (Coeligena lutetiae) Yanacocha Reserve, Jocotoco Foundation, 3,200m altitude on west slope of Pichincha Volcano, Andean cloud forest, Ecuador

Rolf Nussbaumer / Buff-Winged Starfrontlet hummingbird (Coeligena lutetiae) young female feeding from Datura flower, Papallacta, Ecuador, Andes, South America, January

Rolf Nussbaumer / Buff-Winged Starfrontlet (Coeligena lutetiae) male perched, Quito, Ecuador, Andes, South America, January

Rolf Nussbaumer / Buff-Winged Starfrontlet hummingbird (Coeligena lutetiae), young male feeding from Sage flower, Papallacta, Ecuador, Andes, South America, January

Glenn Bartley / Buff-winged Starfrontlet (Coeligena lutetiae) male, Ecuador

Glenn Bartley / Buff-winged Starfrontlet (Coeligena lutetiae), Ecuador

Tui De Roy / Buff-winged Starfrontlet (Coeligena lutetiae) hummingbird, Yanacocha Reserve, Ecuador

Murray Cooper / Buff-winged Starfrontlet (Coeligena lutetiae) male feeding on flower nectar, Ecuador

Pete Oxford / Buff-Winged Starfrontlet (Coeligena lutetiae) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Pete Oxford / Buff-Winged Starfrontlet (Coeligena lutetiae) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Pete Oxford / Buff-winged Starfrontlet (Coeligena lutetiae), Podocarpus National Park, Ecuador

Tui De Roy / Buff-winged Starfrontlet (Coeligena lutetiae) hummingbird flying in cloud forest, west slope, Pichincha Volcano, over 3, 000 meters elevation, Choco Darien region, Andes Mountains, Ecuador

Thomas Marent / Buff-winged Starfrontlet (Coeligena lutetiae) hummingbird, Los Nevados National Natural Park, Colombia

Michael & Patricia Fogden / Buff-winged Starfrontlet (Coeligena lutetiae) hummingbird female in temperate forest, Verdecocha Ecological Reserve, western slope of Andes, Ecuador

Pete Oxford / Buff-winged Starfrontlet (Coeligena lutetiae) hummingbird in cloud forest, Tapichalaca Reserve, Ecuador