Amethyst-throated Sunangel
Heliangelus amethysticollis
The amethyst-throated sunangel, as defined by the IOC, is about 10 cm (3.9 in) long and weighs 3.8 to 7.7 g (0.13 to 0.27 oz). The species has a straight, rather short, black bill. The adult male of nominate subspecies H. a. amethysticollis has shiny dark green upperparts with a bright green frontlet just above the bill. Its throat and upper breast gorget is rosy amethyst. That area has a narrow black border on the neck and a broader cinnamon band below it. The lower breast is glittery green and the rest of the underparts buff with green discs. Voice: The amethyst-throated sunangel's call is "a short, buzzy, dry trill...repeated at intervals."
ID text from Wikipedia, CC BY-SA 4.0
Tourmaline Sunangel
Heliangelus exortis
The tourmaline sunangel is 10 to 11 cm (3.9 to 4.3 in) long. Males weigh 3.5 to 8.5 g (0.12 to 0.30 oz) and females 4 to 5.2 g (0.14 to 0.18 oz). Their bill is blackish, straight, and of medium length. Both sexes have dark shining green upperparts and dusky gray underparts with round green spots. Their tails' central feathers are dark bronze and the others blackish. Adult males have a glittering green frontlet just above the bill, a dark purple-blue chin, and a glittering rosy pink gorget with a glittering emerald green border below it. Voice: A vocalization believed to be the tourmaline sunangel's song is "a repeated series of single notes...typically a few high-pitched upslurred notes followed by a slightly lower-pitched downslurred note, 'suwee....suwee..tsew...suwee...tsew...'." Its call is "a short dry gravelly trill 'trrr', repeated at intervals" and it also makes a continuous dry chatter.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Amethyst-throated Sunangel and Tourmaline Sunangel.