Dark-bellied Cinclodes vs Grey-flanked Cinclodes

Dark-bellied Cinclodes

Cinclodes patagonicus

Small31 gRiverine

The dark-bellied cinclodes is 18 to 20 cm (7.1 to 7.9 in) long and weighs about 36 to 50 g (1.3 to 1.8 oz). It is a largish cinclodes with a long decurved bill. The sexes have the same plumages, and the two subspecies differ very little. Adults of the nominate subspecies have a white supercilium that begins at the forehead, dark brown lores and ear coverts, and a white malar area with some faint darker flecks. Their crown and nape are dark brown and their upperparts a slightly lighter brown. Their wings are dark brown with blackish brown primary coverts. Voice: The dark-bellied cinclodes is very vocal during the breeding season. Its song is "a piercing weep weep weep tirrrrRRRrr", sung during the male's display and sometimes in a duet by the pair. Its call is a "short, sharp, and stuttering disyllabic ch'tp lasting from 2 to several (>15) notes".

ID text from Wikipedia, CC BY-SA 4.0

Photo: dfaulder · CC BY 2.0

Grey-flanked Cinclodes

Cinclodes oustaleti

Small31 gShrubland

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

Photo: Hugo Hulsberg · CC0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Dark-bellied Cinclodes and Grey-flanked Cinclodes.