Characterization: Species measuring about 19.5cm in length. It has black uniform with a silky shine. Females and immature tawny-headed swallows have a darkish-brown, striated and olive-colored upper side, wings with rufous edges, and a dirty-yellow, somewhat intermixed black bottom side. Sharply pointed beak.

Distribution: North of the Lower Amazon, Maranhão, Bahia, Minas Gerais, Rio de Janeiro, São Paulo, Goiás, Mato Grosso, Paraguay, Bolivia, and Argentina.

Habitat: Swamps.

Habits: When it frightens a rival it moves obliquely forward, in silence.

Diet: It searches for maggots and flies among plants or eats fruit.

Breeding: These birds make notable prenuptial ceremonies. They build nests that resemble a deep, well-lined open basket, which is built on a fork of a tree close or a few meters above the ground. It has an average of two litters per season, with 3 eggs each.

In the UFRA area: This bird, which spotted in the São Francisco Sugarmill areas, is considered infrequent in the surveys because it was spotted only once. Its spatial distribution was restricted to organic sugarcane plantations.