Chestnut-throated Huet-huet (Pteroptochos castaneus) [XC102355]
by Jon King from Reserva Nacional Altos de Lircay, Vilches, Region VII, Chile (call, song)
Chestnut-throated Huet-huet (Pteroptochos castaneus) [XC59992]
by Doug Knapp from Valle Las Trancas, IX Region, Chile (song)
Forms a superspecies with Black-throated Huet-huet (Pteroptochos tarnii), and formerly considered conspecific. The two are geographically separated in western Argentina (Neuquén) by a distance of over 200 km. Recent studies have shown, however, that, contrary to earlier beliefs, the upper R Bío Bío does not represent an effective dispersal barrier, suggesting that the two have been in contact several times during fluctuating climatic conditions.