EDITOR: No species info was provided by the photographer. The White-chested Emerald and Plain-bellied Emerald are both found in French Guiana, and are hard to differentiate. Because of the solid black bill and solid bronze-green tail and lower back resemble the illustration in 'Birds of Venezuela', I am going with the White-chested, but it could very easily be a Plain-bellied Emerald, especially since they were also photographed here. The tail colors are really not clear.
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Not a 'chlorostilbon' emerald hummingbird, which are smaller and greener, but an 'amazilia', a large genus of medium-sized 'ordinary' hummingbirds. The White-chested Emerald has a black bill, and has a gold rump and tail (compared to [Plain-bellied Emerald]). Male and female similar.
Africa (entire continent rather than south of Sahara)
AN
Antarctica
AO
Atlantic Ocean
AU
Australasia (Wallacea (Indonesian islands east of Wallace's line), New Guinea and its islands, Australia, New Zealand and its subantarctic islands, the Solomons, New Caledonia, and Vanuatu)
EU
Eurasia (Europe, Asia from the Middle East through central Asia north of the Himalayas, Siberia and northern China to Japan)
IO
Indian Ocean
LA
Latin America (Middle and South America)
MA
Middle America (Mexico through Panama)
NA
North America (includes the Caribbean)
NO
Northern oceans
OR
Oriental Region (South Asia from Pakistan to Taiwan, plus Southeast Asia, the Philippines, and Greater Sundas)
