Hemitriccus margaritaceiventer (D’Orbigny & Lafresnaye, 1837), Photography

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 : 433

Hemitriccus margaritaceiventer (D’Orbigny & Lafresnaye, 1837)

Figure 7E

Observations. ARGENTINA • 2 (no sexual dimorphism); Corrientes, La Cruz, Paraje Tres Cerros; 29° 06′27′′S, 056°55′54′′W. We observed two individuals in the midstory of a forest patch near Cerro Chico .

Identification. Head large and gray; iris golden; underparts whitish.

Myiophobus fasciatus (Müller, 1776)

Observations. ARGENTINA • 5 (no sexual dimorphism); Corrientes, La Cruz, Paraje Tres Cerros; 29° 06′32′′S, 056°55′40′′W. Recorded in forest edge .

Identification. Upperparts brown; two rufous wing bars; iris dark. Streaked underparts.

Lathrotriccus euleri (Cabanis, 1868)

Observations. ARGENTINA • 4 (no sexual dimorphism); Corrientes, La Cruz, Paraje Tres Cerros; 29°06′ 45′′S, 056°55′13′′W .

Identification. Upperparts, head, and breast olivebrown; wing bars buff; belly grayish; maxilla black and mandible pinkish.

Cnemotriccus fuscatus (Cabanis, 1868)

Observations. ARGENTINA • Multiple (no sexual dimorphism); Corrientes, La Cruz, Paraje Tres Cerros; 29°06′45′′S, 056°55′13′′W. Recorded in the understory of Cerro Nazareno forest .

Identification. Differs from Lathrotriccus euleri in having two rufous wing bars and a long, brown supercilium.