Yellow-margined Flycatcher (Tolmomyias assimilis)

Order: Passeriformes | Family: Tyrannidae | IUCN Status: Least Concern

Age: Adult | Sex: Unknown | Loc. Tambopata, Madre de Dios

Age: Adult | Sex: Unknown | Loc. Amazonian Ecuador

Age: Adult | Sex: Unknown | Loc. Mato Grosso, Brazil

Age: Adult | Sex: Unknown | Loc. Atalaya, Cuzco

Identification & Behavior: ~13.5 cm (5.2 in). The Yellow-margined Flycatcher has yellow-olive upperparts. The wing coverts and flight feathers are fringed with yellow. The underparts are yellow. The crown is gray. The bill is mostly black with a pale base on the lower mandible. It has a gray iris, pale eye-ring, and thin pale loral line. It forages in the canopy and sub-canopy of Terra-Firme forest mostly in the company of mixed species flocks. It is similar to the Gray-crowned Flycatcher but favors Terra Firme forest. The voice of these two species should be considered for proper identification.

Status: The Yellow-margined Flycatcher is common and widespread in Amazonia where it is known to range up to 1200 m along the foothill of the Andes. It also occurs in Co, Ec, Br, and Bo.

Name in Spanish: Pico-Ancho de Ala Amarilla.

Sub-species: Yellow-margined Flycatcher (Tolmomyias assimilis obscuriceps), J. T. Zimmer, 1939.  SE Colombia (W Meta) S to NE Ecuador and NE Peru (E Loreto N of Amazon).
(Tolmomyias assimilis clarus), J. T. Zimmer, 1939.  Peru (Amazonas, from just N of R Marañón, S to N Puno).

Meaning of Name: Tolmomyias: Gr. tolma, tolmes= courage, boldness muia= fly and piazo= to seize, myias= flycatcher. assimilis: L. assimilis= similar, like. Indicates a close resemblance or relationship to another, but not necessarily congeneric, species.

See more of the Family Tyrannidae  peru aves

Distribution Map
yellow-margined flycatcherVoice


    • Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. on 03/01/2017.