Family Tyrant-flycatchers (Tyrannidae)

Least Concern

Yellow-bellied Flycatcher (Empidonax flaviventris)


French: Moucherolle à ventre jaune German: Birkenschnäppertyrann Spanish: Mosquero ventriamarillo

Tyrannula flaviventris

W. M. Baird and S. F. Baird

, 1843,

near Carlisle, Pennsylvania, USA


Thought to belong in a clade that also contains E. flavescens, E. difficilis and E. occidentalis#R. Monotypic.


W Canada from S Yukon and C & N British Columbia E to Newfoundland, Prince Edward I and Nova Scotia, and S into NE USA (E from N Minnesota and Great Lakes region, S into Pennsylvania, C New York, and disjunctly in West Virginia). Winters from SE & SW Mexico (on Caribbean slope from S Tamaulipas, on Pacific slope from Oaxaca) S to W Panama.

Descriptive notes

12·5–15 cm; 9–16 g. Adult has rounded crown greenish-olive, slightly crested; pale olive supraloral area, pale yellow complete eyering; head side, nape and... read more


Song, often from prominent perch 3–10 m up, an abrupt “killionk” or “che-... read more


Breeds in coniferous and mixed forests, bogs, swamps and muskegs, often in moist areas with thick... read more

Food and feeding

Insects and other arthropods; occasionally fruit. On breeding grounds, diet includes flying ants (Hymenoptera), small beetles (Coleoptera... read more


Late May to early Aug. Nest constructed by female, a hollowed-out depression lined with grass, black rootlets and conifer needles, average... read more


Long-distance migrant, wintering in Central America. Migrates at night through E USA to C Great... read more

Status and conservation

Not globally threatened. Fairly common. Difficult to census owing to inaccessible breeding habitat, but global population estimated at 6,200,000 individuals. Population... read more

Recommended citation

Farnsworth, A. & Lebbin, D. (2020). Yellow-bellied Flycatcher (Empidonax flaviventris). 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 18 January 2020).