Tui De Roy / White bellied woodstar (Chaetocercus mulsant) three hovering around red flowers, Guango private reserve, Papallacta Valley, Andean Cloud Forest, East slope, Ecuador

Ingo Arndt / White-bellied woodstar (Chaetocercus mulsant) and Booted racket-tail (Ocreatus underwoodii) female. Hummingbirds necaring on flower. Western slope of Andes, Ecuador. October.

Ingo Arndt / White-bellied woodstar (Chaetocercus mulsant) hummingbird nectaring on flower. Ecuador. October.

Ingo Arndt / White-bellied woodstar (Chaetocercus mulsant) hummingbird nectaring on Banana (Musa sp) flower. Western slope of Andes, Ecuador. October.

Glenn Bartley / Little Woodstar (Chaetocercus bombus) female, Ecuador

Glenn Bartley / White-bellied Woodstar (Chaetocercus mulsant), Ecuador

Tui De Roy / White bellied woodstar (Chaetocercus mulsant) in flight, Guango private reserve, Papallacta Valley, Andean Cloud Forest, East slope, Ecuador

Tui De Roy / White bellied woodstar (Chaetocercus mulsant) in flight, Guango private reserve, Papallacta Valley, Andean Cloud Forest, East slope, Ecuador

Tui De Roy / White bellied woodstar (Chaetocercus mulsant) in flight, Guango private reserve, Papallacta Valley, Andean Cloud Forest, Ecuador

Tui De Roy / White bellied woodstar (Chaetocercus mulsant) Tandayapa Valley, 1500m altitude, Andean cloud forest, Ecuador

Tim Fitzharris / White-bellied Woodstar (Acestrura mulsant) hummingbird male and female feeding on flower, Costa Rica

Rolf Nussbaumer / White-bellied Woodstar (Chaetocercus mulsant), female feeding on Bomarea flower, Papallacta, Ecuador, Andes, South America, January