Karine Aigner / Cuban emerald (Chlorostilbon ricordii) endemic to Cuba. Cienaga de Zapata National Park, Cuba

Claudio Contreras / Canivet's /Fork-Tailed Emerald Hummingbird (Chlorostilbon canivettii), Calakmul Biosphere Reserve, Yucatan Peninsula, Mexico, October.

Albert Lleal / Emeralds in rock, Belgium

Rolf Nussbaumer / Andean Emerald (Amazilia franciae) adult feeding from ginger flower during rain fall, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Andean Emerald (Amazilia franciae) adult feeding from flower, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Andean Emerald (Amazilia franciae) adult perched on fern covered in rain drops, Mindo, Ecuador, Andes, South America, January

Rolf Nussbaumer / Puerto Rican Emerald {Chlorostilbon maugaeus}feeding on Agave blossom, Bosque Estatal de Guanica, Puerto Rico, USA.