World Bird List

Species factsheet
Southern Beardless Tyrannulet (Camptostoma obsoletum)

Order: Camptostoma obsoletum
Family: Tyrant Flycatchers, Calyptura (Tyrannidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
flaviventre sw Costa Rica and Panama
orphnum Coiba I. (off sw Panama)
majus Pearl Is. (off s Panama)
caucae c, wc Colombia
pusillum n Colombia to n, c Venezuela, Trinidad
napaeum se Venezuela, the Guianas and ne Brazil
maranonicum n Peru
olivaceum se Colombia, e Ecuador, ne Peru and w Brazil
sclateri w Ecuador and nw Peru
griseum w Peru
bolivianum c Bolivia to nw Argentina
cinerascens e Bolivia to c and e Brazil
obsoletum se Brazil, Uruguay, Paraguay to c Argentina
Annoncer