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
White-whiskered Spinetail
Synallaxis candei
The white-whiskered spinetail is 15 to 17 cm (5.9 to 6.7 in) long and weighs 14 to 16 g (0.49 to 0.56 oz). The sexes have the same plumage. Adults of the nominate subspecies have a wide white "moustache" and a wide rufous supercilium on an otherwise blackish face. Their crown is dark gray mottled with black and their nape, back, rump and uppertail coverts bright rufous. Their wings are bright rufous with dusky tips on their flight feathers. Their tail's proximal two-thirds is bright rufous and the distal third dark fuscous. Their chin is white and their throat black. Voice: The white-whiskered spinetail's song has four notes of which the middle two are stronger, a repeated "nasal 'a-dít-dít-du' ". Its call is "a nasal 'paa-pip' " and it renders "a nasal 'naaaa' " when alarmed.
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 White-whiskered Spinetail.