Bumblebee Hummingbird
Selasphorus heloisa
The bumblebee hummingbird is 5.9 to 7.5 cm (2.3 to 3.0 in) long and weighs 2 to 2.7 g (0.071 to 0.095 oz); it is one of the smallest hummingbirds. Both sexes of both subspecies have a short, straight, blackish bill and a small white spot behind the eye. Males of the nominate subspecies have metallic bronze green to golden bronze upperparts. Their gorget is metallic magenta purple to bluish purple at its edges, and its longer hindward feathers flare out and back. The flanks are light reddish cinnamon with a bronze wash. The rest of the underparts are dull white to grayish white.
ID text from Wikipedia, CC BY-SA 4.0
Volcano Hummingbird
Selasphorus flammula
The volcano hummingbird is 7.5 to 8 cm (3.0 to 3.1 in) long. Males weigh about 2.5 g (0.088 oz) and females 2.8 g (0.099 oz). Both sexes of all subspecies have a short, straight, black bill and a small white spot behind the eye. The adult male of the nominate subspecies has bronze-green upperparts and rufous-edged black outer tail feathers. Its gorget is mauve-purple and the rest of the underparts mostly white. The sides of the breast have a buffy to pale cinnamon wash and green speckles. The adult female is also bronze-green above.
ID text from Wikipedia, CC BY-SA 4.0
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