Yellow-winged Blackbird

The Yellow-winged Blackbird, <em>Agelasticus thilius</em>, belongs to the family Icteridae, the New World blackbirds, and occurs across parts of southern South America. Detailed plumage and behavioral descriptions of this species are limited in the available literature. This species is associated with grassland and wetland habitats, particularly marshes, wet meadows, and the edges of lakes and rivers, in countries including Argentina, Chile, Bolivia, and Peru. The Yellow-winged Blackbird holds a conservation status of Least Concern, indicating no immediate population-level concerns. Diet information is not detailed in the available data. Nesting occurs in a cup nest constructed among emergent or dense low vegetation near water. Clutch size typically ranges from 2 to 4 eggs, with an incubation period of approximately 12 to 13 days; fledging is estimated at 10 to 12 days after hatching. Song and call descriptions are limited in the available literature.