Pyrocephalus rubinus (Boddaert, 1783)

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

Pyrocephalus rubinus (Boddaert, 1783)

Figure 7F

Observations. ARGENTINA • Multiple (males, females and juvenile); Corrientes, La Cruz, Paraje Tres Cerros; 29°06′27′′S, 056°55′54′′W. We found a nest with a chick in October 2017, placed 3 m above the ground on a tree near the farmhouse .

Identification. Top of head and underparts bright scarlet in adult males; immature males have delayed plumage maturation.

Knipolegus cyanirostris (Vieillot, 1818)

Observations. ARGENTINA • 2♀ 2♂; Corrientes, La Cruz, Paraje Tres Cerros; 29°05′50′′S, 056°56′12′′W. Re- corded in forest edge and shrubby areas .

Identification. Overall black; females brown above, streaked below. Iris bright red; bill blue, with black tip.