Ashy-throated Chlorospingus
Chlorospingus canigularis
The ashy-throated chlorospingus is 13 to 14 cm (5.1 to 5.5 in) long and weighs 14.5 to 21 g (0.51 to 0.74 oz). The sexes have the same plumage. Adults of the nominate subspecies C. c. canigularis have a mostly gray head with slightly darker ear coverts and a grayish white throat. They have a wide light yellow band across the chest that continues with an olive tinge along the sides and flanks. The centers of their breast and belly are whitish to grayish white and their undertail coverts olive-yellow. Voice: In Peru, subspecies C. c. signatus of the ashy-throated chlorospingus sings "an accelerating series of high chipping notes that falls, then rises in pitch". There its call is "a dry, metallic tik, usually given in a stuttered series". In Colombia the species sings "tsuk...tsuk...chit-chit chi’t’t’t’t’t’t’a’a’a’a’i’i’it’it-tit, trill rising slightly, then descending, and rising again at end".
ID text from Wikipedia, CC BY-SA 4.0
Yellow-whiskered Chlorospingus
Chlorospingus parvirostris
The yellow-whiskered chlorospingus is about 14 cm (5.5 in) long and weighs 17.5 to 28.5 g (0.62 to 1.0 oz). The sexes have the same plumage. Adults of the nominate subspecies C. p. parvirostris have an olive-green crown, face, nape, upperparts, and tail. Their flight feathers are dusky with olive edges. The center of their throat is pale gray and the sides bright yellow that flares back and up onto the neck, forming the eponymous "whiskers". Most of the rest of their underparts are gray with olive-yellow undertail coverts. Subspecies C. p. Voice: The song of the yellow-whiskered chlorospingus has not been put into words. Its calls are describes as "a tsrreet note" and "a modulated, high tsrrree".
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: Ashy-throated Chlorospingus and Yellow-whiskered Chlorospingus.