Ingo Arndt / Andean emerald (Amazilia franciae) nectaring on Banana (Musa sp) flower. Western slope of Andes, Ecuador. October.

John Shaw / Rufous-tailed hummingbird (Amazilia tzacatl) with heliconia plants adding color in the background. San Jose, Costa Rica, December.

David Pattyn / Rufous-tailed Hummingbird (Amazilia tzacatl) male flying, Mindo Cloud Forest, Ecuador, July

David Pattyn / Andean Emerald Hummingbird (Amazilia franciae) , Mindo cloud forest area, Ecuador, July

Thomas Marent / Steely-vented Hummingbird (Amazilia saucerrottei) feeding on flower nectar, Valle del Cauca, Colombia

Thomas Marent / Rufous-tailed Hummingbird (Amazilia tzacatl) feeding on flower nectar, Valle del Cauca, Colombia

Thomas Marent / Rufous-tailed Hummingbird (Amazilia tzacatl) feeding on flower nectar, Valle del Cauca, Colombia

Thomas Marent / Rufous-tailed Hummingbird (Amazilia tzacatl), Valle del Cauca, Colombia

Thomas Marent / Rufous-tailed Hummingbird (Amazilia tzacatl), Valle del Cauca, Colombia

Thomas Marent / Rufous-tailed Hummingbird (Amazilia tzacatl) calling, Tatama National Park, Colombia

Ingo Arndt / Andean Emerald (Amazilia franciae) hummingbird male feeding on heliconia flower, Andes western slope, Ecuador

Ingo Arndt / Rufous-tailed Hummingbird (Amazilia tzacatl) feeding on heliconia flower nectar, Andes western slope, Ecuador