Description: Uniform olivaceous-brown dorsal, yellowish ventral with black spots, whiter towards the subcaudal area. Throat, forehead, and periocular region yellowish-white. Short tail and long legs. Black beak with a rosy lower mandible.

Geographical Distribution: Brazil, Paraguay, and Argentina. Within Argentina, it is found only in Misiones.

Environment: Low stratum in dense vegetation of jungles.

Behavior: It behaves curiously and confidently, but always staying hidden. Often on the ground, it is discovered by its loud and unmistakable call.

Diet: Arthropods and invertebrates.

A naturally scarce species. It was described as Grallaria nattereri by O. Pinto in 1937, later considered a subspecies of H. ochroleucus, but is now again considered a full species.

Author of this description: Jorge La Grotteria

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