Suiriri suiriri suiriri (Vieillot 1818

Suiriri suiriri (Vieillot, 1818) Observations. ARGENTINA • Multiple (no sexual dimorphism); Corrientes, La Cruz, Paraje Tres Cerros; 29° 06′45′′S, 056°56′32′′W. Identification. Overall grey; wings and tail darker; supraloral spot, small, white; bill black. Serpophaga subcristata (Vieillot, 1817) Observations. ARGENTINA • Multiple (no sexual dimorphism); Corrientes, La Cruz, Paraje Tres Cerros; 29°06′45′′S, 056°55′13′′W. Recorded in forests. Identification. Supercilium and coronal stripe white coronal stripe; body grayish above, with belly and lower abdomen yellowish.
Published as part of Fernandez, Juan Manuel, Thomann, Luz, Fandiño, Blas, Cajade, Rodrigo & Hernando, Alejandra, 2021, An annotated checklist of birds of Paraje Tres Cerros, Corrientes province, Argentina, pp. 415-443 in Check List 17 (2) on page 433, DOI: 10.15560/17.2.415