French: Tyran mégacéphale German: Gelbbrauen-Flachschnabeltyrann Spanish: Picoplano cabezón
Other common names: Bamboo Flatbill
São Paulo, Brazil.
Formerly placed in Tolmomyias. Four subspecies recognized.
Subspecies and Distribution
R. m. venezuelense
Phelps, Sr & Gilliard, 1941 – NW Venezuela (W Trujillo, W Apure, W Barinas, NE Yaracuy, N Aragua), and probably into adjacent Colombia; also, possibly this race, Guyana#R.
R. m. pectorale
J. T. Zimmer & Phelps, Sr, 1947 – S Venezuela (Amazonas), SE Colombia and E Ecuador, probably also adjacent Brazil and Peru.
R. m. bolivianum
J. T. Zimmer, 1939 – E Peru (Ucayali, Cuzco, Madre de Dios, N Puno), Brazil (Amazonas and Pará S to Acre, Rondônia and Mato Grosso) and N Bolivia (Pando to NE Cochabamba and NE Santa Cruz).
R. m. megacephalum
(Swainson, 1835) – SE Paraguay (Canindeyú, Alto Paraná), NE Argentina (Misiones) and SE Brazil (E Minas Gerais and Espírito Santo S to São Paulo).
12·5–13·2 cm; 13–15 g. Brown eye, flat black bill with basal third of lower mandible flesh-coloured, grey legs, slightly heavy-headed appearance. Has dark olive... read more
Call a soft mournful “wheé-whoo” (or “bam-boo”) whistle, second note a semitone lower-pitched,... read more
Inside or at edge of humid seasonally inundated forest, usually closely associated with dense... read more
Food and feeding
Insectivore. Usually feeding alone, occasionally in mixed-species flocks. Perches quietly, and almost motionless, for long periods; then... read more
Nest and nestlings in Nov in Peru and juveniles in Nov–Dec in SE Brazil. Builds nest with ample material inside hole or cavity, e.g.... read more
Status and conservation
Not globally threatened. Uncommon to fairly common but very local. In seemingly disjunct populations in NW, C & CE South America. Much of its habitat remains in... read more
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