Characterization: It measures 69cm in length, 43cm in height. Light colored and broad wings. When flying, it displays a large white patch on the upper side of the wing, and its lower side is black.

Distribution: From Colombia to Tierra del Fuego; also in the Andes and much of Brazil.

Habitat: In southern Brazil, it spends the night and nests in pine trees; Amazon estuary.

Habits: This is a diurnal and twilight species; the couple and the flock gather together for the night, they yelp and throw their heads back. This bird walks openly in dry fields, airfields, and look for burned areas.

Diet: It catches grasshoppers, spiders, centipedes, lizards, snakes, and rats. It drinks on river banks. To catch beetle larvae, this bird will bury its beak into the soft soil all the way to the base.

Breeding: This species usually associates in colonies and reproduce isolated, in couples. It nests on trees. The eggs are white or brownish.  Hatching takes 23-24 days. 

In the UFRA area: In the studies done at the São Francisco Sugarmill areas, this bird's spatial distribution was limited to wetlands and fields in regeneration. As it was only seen twice, it is considered rare within these farms.