Characterization: Small species measuring about 17.5cm in length. It has brown plumage and its neck, abdomen, and the lower part of its tail are white. Only young individuals have blue feathers.

Distribution: Argentina, Uruguay, Paraguay, Bolivia, and in central and southern Brazil.

Habitat: Field and open crop landscapes.

Habits: This is a diurnal and migratory bird species that lives in pairs and becomes restless at dawn and dusk, increasing its chirp and singing until settling down in the nest where the couple usually sleeps.

Diet: Carnivorous, strictly insectivorous, eats termites, ants, flies, and even bees.

Breeding: It lays its eggs in various types of hollows, and is widely dependent on the nest of the rufous hornero (Furnarius rufus), where it prepares a soft bowl with manure.

In the UFRA area: This species of bird has a broad spatial distribution. It has been spotted in organic sugarcane fields, exotic woods, wetlands with herbaceous plants, wetlands with riparian forests, in restored native forests, in native forests, drainage ditches, and in woods in spontaneous regeneration. It is considered rare because it was spotted only a few times.