World Bird List

Species factsheet
Large-headed Flatbill (Ramphotrigon megacephalum)

Order: Ramphotrigon megacephalum
Family: Tyrant Flycatchers, Calyptura (Tyrannidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
pectorale s Colombia, e Ecuador and s Venezuela
venezuelense nw Venezuela
bolivianum e Peru, w Amazonian Brazil and n Bolivia
megacephalum se Paraguay, ne Argentina and se Brazil
Annoncer