Grey-flanked Cinclodes
Cinclodes oustaleti
The grey-flanked cinclodes is 17 to 18 cm (6.7 to 7.1 in) long and weighs 22 to 31 g (0.78 to 1.1 oz). It is a small cinclodes with a medium-length slightly decurved bill. The sexes have the same plumage. Adults of the nominate subspecies have a buff supercilium with speckles at its front, blackish brown lores and ear coverts, and a whitish malar area with dark scallops. Their crown is dark grayish brown and their upperparts rich dark brown. Voice: The grey-flanked cinclodes' song is "a fast dry twittery trill rising in pitch, introduced by a few single notes", and its call is "a dry 'tsick' ".
ID text from Wikipedia, CC BY-SA 4.0
White-winged Cinclodes
Cinclodes atacamensis
The white-winged cinclodes is 19 to 20 cm (7.5 to 7.9 in) long and weighs 45 to 56 g (1.6 to 2.0 oz). It is a fairly large cinclodes with a decurved bill. The sexes have the same plumage. Adults of the nominate subspecies have a whitish supercilium, brownish gray lores, grayish brown ear coverts with reddish tones, and a whitish malar area with some faint darker flecks. Their crown is grayish brown and their upperparts rich reddish brown. Their wing coverts are reddish brown. Voice: The white-winged cinclodes' song is a trill and its call "a loud, whistled 'wheet' ".
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: Grey-flanked Cinclodes and White-winged Cinclodes.