Family Tyrant-flycatchers (Tyrannidae)

Least Concern

Eastern Olivaceous Flatbill (Rhynchocyclus olivaceus)


French: Tyranneau olivâtre German: Ostamazonien-Breitschnabeltyrann Spanish: Picoplano oliváceo

Platyrhynchos olivaceus


, 1820,

Rio de Janeiro, Brazil


Hitherto treated as conspecific with R. aequinoctialis (which see). Three subspecies recognized.

Subspecies and Distribution
  • R. o. guianensis McConnell, 1911 – S Venezuela (E Amazonas, Bolívar), the Guianas and N Brazil N of Amazon (E from R Negro).
  • R. o. sordidus Todd, 1952 – Brazil S of Amazon (R Tapajós E to R Tocantins and N Maranhão).
  • R. o. olivaceus (Temminck, 1820) – NC & E Brazil (Pernambuco S to Rio de Janeiro).
  • Descriptive notes

    15 cm; 18–24·8 g. Large-headed, dark olive flatbill with white eyering surrounding large dark eye. Head and upper­parts dark olive, wings dusky, wing-coverts... read more


    Song, mainly at dawn, a fast series of very buzzy (chattering) notes that descend in pitch; call a... read more


    Mostly lower level of humid forest (especially terra firme, also várzea)... read more

    Food and feeding

    Feeds on arthropods. Forages alone, often at edge of understorey mixed-species flocks of various antwrens and antshrikes (Thamnophilidae)... read more


    Nest with eggs late Jun in Manaus (NC Brazil); male in breeding condition in Alagoas (NE Brazil) in mid Jul; in SE Brazil, eggs in Nov and... read more


    Probably resident throughout range.

    Status and conservation

    Not globally threatened (Least Concern). Uncommon to fairly common in most of range. Occurs in many national parks and other protected areas throughout its range, e.g. Tapaj... read more

    Recommended citation

    Bates, J. & Kirwan, G.M. (2020). Eastern Olivaceous Flatbill (Rhynchocyclus olivaceus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 26 January 2020).