Euphonia chlorotica (Linnaeus, 1766)

Fernandez, Juan Manuel, Thomann, Luz, Fandiño, Blas, Cajade, Rodrigo & Hernando, Alejandra, 2021, An annotated checklist of birds of Paraje Tres Cerros, Corrientes province, Argentina, Check List 17 (2), pp. 415-443 : 440-441

Euphonia chlorotica (Linnaeus, 1766)

Figure 10H

Observations. ARGENTINA • Multiple ♂ and ♀; Corri- entes, La Cruz, Paraje Tres Cerros; 29°09′05′′S, 056°52′ 05′′W. More often heard than seen. Usually found in edge forest foraging high in tall trees .

Identification. Small. Males with yellow forehead; underparts bright yellow, and the rest bright blue. Females mainly olive and grayish.

Euphonia cyanocephala (Vieillot, 1818) Observations. ARGENTINA • 1♂; Corrientes, La Cruz, Paraje Tres Cerros; 29°06′27′′S, 056°55′25′′W. We re- corded one individual near the farmhouse, perching high on a tree .

Identification. Males with blue head and nape; tail, throat, and wings black.