Measurements
Both Sexes
- Length
- 5.1–5.9 in
13–15 cm - Wingspan
- 7.1–7.9 in
18–20 cm - Weight
- 0.3–0.6 oz
9–16 g
Other Names
- Moucherolle à ventre jaune (French)
- Mosquito oliva, Mosquerito de vientre amarillo, Mosquareta barriga-amarilla, Mosquerito vientriamarillo, Mosquero vientre amarillo, Tontín oliva (Spanish)
Cool Facts
- The Yellow-bellied Flycatcher winters in semi-open habitats of Central America, including coffee plantations. Shade-grown coffee plantations have higher densities of Yellow-bellied Flycatchers than sun-grown coffee plantations.
Habitat

Forest
- Breeds in boreal coniferous forests and peatlands. Nests in cool, moist forests, bogs, swamps, and muskegs.
- Winters in variety of habitats from forests to semi-open habitats. Most common in dense rain forest, montane evergreen forest, pine-oak forest, and shaded coffee plantations.
Food

Insects
Insects and arthropods. Occasionally takes fruit.
Nesting
Nesting Facts
- Clutch Size
- 2–5 eggs
- Egg Description
- White with light speckling of fine dots and small blotches of brown around larger end.
- Condition at Hatching
- Hatch naked and helpless.
Nest Description
Nest built on or near ground, well covered with hanging vegetation. Nest made mostly of moss, lined with rootlets, pine needles, or grass stems.
Nest Placement

Ground
Behavior

Flycatching
Flight song given at predawn or dusk.Catches flying insects in mid-air, or gleans them from foliage.
Conservation

Least Concern
Most of breeding range in Canada is remote and secure. On the wintering grounds it is vulnerable to forest destruction. Shade-grown coffee plantations have higher densities of Yellow-bellied Flycatchers than sun-grown coffee plantations.
Credits
- Gross, D. A., and P. E. Lowther. 2001. Yellow-bellied Flycatcher (Empidonax flaviventris). In The Birds of North America, No. 566. (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.