Large-headed Flatbill
Ramphotrigon megacephalum
The Large-headed Flatbill (Ramphotrigon megacephalum) is a rare tyrant flycatcher found in 9 countries, weighing about 14 g. The large-headed flatbill, also known as the bamboo flatbill, is a species of bird in the family Tyrannidae, the tyrant flycatchers.
About the Large-headed Flatbill
The large-headed flatbill, also known as the bamboo flatbill, is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, and Venezuela.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
How to identify it
The large-headed flatbill is 12.5 to 13.2 cm (4.9 to 5.2 in) long and weighs 13 to 15 g (0.46 to 0.53 oz). The sexes have the same plumage. Adults of the nominate subspecies R. m. megacephalum have a dark olive crown, dusky lores, a whitish to yellowish streak behind the lores, and a whitish to yellowish eye-ring on an otherwise dark olive face. Their upperparts are dark olive. Their wings are mostly dusky with yellow-olive edges on the flight feathers and ochraceous tips on the coverts; the latter show as two wing bars. Their tail is dusky with yellow-olive edges on the feathers. Voice: The large-headed flatbill's dawn song is "a continuous, rapidly uttered series of tee-tu-twit or whu hu-hoowhip whistles" and its call "a soft mournful wheé-whoo (or "bam-boo") whistle.
What the Large-headed Flatbill sounds like
Where it lives
When to see it
The Large-headed Flatbill can be seen all year round, with peak activity in October. It is a resident species across most of its range.
Easily confused with
Quick questions
- How do you identify a Large-headed Flatbill?
- The large-headed flatbill is 12.5 to 13.2 cm (4.9 to 5.2 in) long and weighs 13 to 15 g (0.46 to 0.53 oz). Full identification notes are on this page.
- How big is a Large-headed Flatbill?
- The Large-headed Flatbill is a tiny sized bird weighing about 14 g.
- Where can you see a Large-headed Flatbill?
- The Large-headed Flatbill occurs in 9 countries, including Brazil, Peru, Ecuador, Argentina and Colombia.
- What does a Large-headed Flatbill sound like?
- You can listen to 2 field recordings of the Large-headed Flatbill on this page, contributed to xeno-canto under open licences.
- What birds look similar to a Large-headed Flatbill?
- The Large-headed Flatbill is most easily confused with the Rufous-tailed Flatbill and the Dusky-tailed Flatbill.
- Is the Large-headed Flatbill endangered?
- The Large-headed Flatbill is listed as Least Concern on the IUCN Red List.
Learn the Large-headed Flatbill for real
BeakBrain drills you on photos and calls until you can greet this bird by name in the field. Free to play, on any device.
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