Dark-breasted Spinetail
Synallaxis albigularis
The dark-breasted spinetail is 15 to 16 cm (5.9 to 6.3 in) long and weighs 14 to 18 g (0.49 to 0.63 oz). The sexes have the same plumage. Adults of the nominate subspecies have a brownish gray face and forecrown. Their hindcrown and nape are dark rufous, and their back, rump and uppertail coverts olive-brown. Their wing coverts are dark rufous with paler edges and their flight feathers dark brownish. Their tail is dull brown; it is graduated and the feathers have pointed tips. Their throat is grayish white with sooty flecks; the lower throat feathers are blackish with pale gray edges. Voice: The dark-breasted spinetail's song is "a hurried 'chéép, du-du-du' or 'whít, di-di-di' " that is often repeated at length. Other vocalizations include a "short chatter" and an "accelerating whinny, 'neeh-neeh-neeh-neeh-neh-neh-neh' ".
ID text from Wikipedia, CC BY-SA 4.0
Silvery-throated Spinetail
Synallaxis subpudica
The silvery-throated spinetail is 17 to 19 cm (6.7 to 7.5 in) long. The sexes have the same plumage. Adults have a thin light cinnamon supercilium on an otherwise grayish brown face. Their forecrown is grayish brown, their hindcrown and nape rufous-chestnut, and their back, rump, and uppertail coverts brown. Their wing coverts and base of their flight feathers are chestnut and the rest of the flight feathers are brown. Their tail is a slightly darker brown than the back; it is very long and the feathers lack barbs at their tips, giving a spiny appearance. Voice: The silvery-throated spinetail's song is "a fast, accelerating, descending and fading series of chattering notes...'chí-chi-chi-che-che-che-chu-chu-chu' " and is often sung in duet. Its call is "a sharp 'kik' " and its alarm call "a low trill".
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: Dark-breasted Spinetail and Silvery-throated Spinetail.