Characterization: Species measuring about 18 cm in length. The upper side of its wing is uniform black.

Distribution: This bird occurs in all Brazilian regions.

Habitat: It lives in places at the edge of sources of freshwater, muddy banks of rivers and lakes, and close to larger rain puddles, especially when located in areas with trees. It is normally found solitary, sometimes in groups of 2 or 3 scattered individuals, but never in flocks.

Habits: A solitary visitor, it has a habit of running on the shores of lakes and wetlands as soon as it spots prey.

Diet: It feeds on small invertebrates it finds under the shallow water.

Breeding: This bird nests on the ground, well-camouflaged and near flooded areas.

In the UFRA area: It was found in Wetlands with Herbaceous plants and is a temporary visitor during the migratory period.