Volcano Hummingbird vs White-throated Hummingbird

Volcano Hummingbird

Selasphorus flammula

Tiny3 gGrassland

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

Photo: iNaturalist user: carnifex · CC BY 4.0

White-throated Hummingbird

Leucochloris albicollis

Tiny6 gForest

The white-throated hummingbird is 10 to 11.5 cm (3.9 to 4.5 in) long. Males weigh 5 to 8 g (0.18 to 0.28 oz) and females about 4.5 g (0.16 oz). Adults have a medium length, straight, bill with a blackish maxilla and red mandible with a black tip. Adult males have golden- to bronze-green upperparts. Their uppertail coverts and inner tail feathers are golden-green to brilliant green and the outer tail feathers blackish green with white bands near the end. Their chin feathers are brilliant green with white edges, their throat white, and their cheeks and breast brilliant green to golden-green. Voice: The white-throated hummingbird's song is "a series of 4–10 high-pitched, buzzy notes, with emphasis on the first, 'bzeeeee-bzee-bzee-bzee-bzee'." It also makes calls described as "dry chips and a high-pitched descending metallic rattle."

ID text from Wikipedia, CC BY-SA 4.0

Photo: Rodrigo Moraes from São Paulo, brazil · CC BY 2.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Volcano Hummingbird and White-throated Hummingbird.