World Bird List

Species factsheet
Marsh Antwren (Stymphalornis acutirostris)

Order: Stymphalornis acutirostris
Family: Antbirds (Thamnophilidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
acutirostris Paraná to ne Rio Grande do Sul
paludicola e São Paulo
Annoncer