The Paint-billed Crake is a small, 18–20 cm rail of seasonally wet grassland and freshwater marsh. It catches invertebrates on or near the ground and water.
The account gives a body length of 18–20 cm and a weight of about 67 g.
It uses seasonally wet grassland, pastures, and freshwater marshes, and is active by day. Its listed foraging categories describe taking invertebrates on or near the ground and water.
An extinction-risk assessment has not been added yet.