Amethyst-throated Mountaingem vs White-throated Mountaingem

Amethyst-throated Mountaingem

Lampornis amethystinus

Tiny5 gForest

The amethyst-throated mountaingem is 11.5 to 12.5 cm (4.5 to 4.9 in) long. Males weigh 5 to 7.8 g (0.18 to 0.28 oz) and females 5 to 5.8 g (0.18 to 0.20 oz). Both sexes of all subspecies have a medium-length straight black bill, dark auriculars, a whitish stripe behind the eye, and a broad slightly forked tail. Adult males of the nominate subspecies have a dark green crown and back, a bronze rump, and blackish uppertail coverts. The tail is black with gray tips on the outer feathers. It has a brilliant rosy pink gorget. The breast and belly are dusky gray and the undertail coverts pale buff. Voice: The amethyst-throated mountaingem's song is "a quiet chatter made up of a two-syllable introductory phrase followed by a mixture of notes arranged into very complex vocalizations." It may have up to nine complex phrases, and both males and females sing. Both sexes also make a feeding call, "a persistent buzzing sound".

ID text from Wikipedia, CC BY-SA 4.0

Photo: datadan · CC BY 4.0

White-throated Mountaingem

Lampornis castaneoventris

Tiny5 gForest

The grey-tailed mountaingem is about 12 cm (4.7 in) long and weighs about 5 to 6 g (0.18 to 0.21 oz). It has a medium-length straight black bill, dark cheeks, and a white stripe behind the eye. Males have mostly dark bronzy green upperparts with an emerald green crown and a black to bluish black tail. Their chin and throat are white, the sides of the neck and upper breast bright green, and the lower breast and vent area dark gray. Females have entirely bright green upperparts. Their central tail feathers are dark metallic to bronze green and the outer ones paler. Voice: The white-throated mountaingem makes high pitched calls described as "ziit or ziip" and also "a 'sputtery, bubbly' song".

ID text from Wikipedia, CC BY-SA 4.0

Photo: Hank Raizen · CC BY 4.0

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