Photo: Arthur Morris/Vireo

Yellow-bellied Flycatcher

Empidonax flaviventris

While some of its relatives are often found in sunny open places, the Yellow-bellied Flycatcher is a bird of deep shade. It spends the summer in spruce bogs and other damp northern forests, where it places its nest on the ground in sphagnum moss or among tree roots. Although the Yellow-bellied is not as hard to identify in spring as some small flycatchers, birders may miss it because it moves north late, after most of the spring migrants have passed.
Conservation status Could be vulnerable to loss of habitat, especially on wintering grounds. Currently numbers appear to be stable.
Family Tyrant Flycatchers
Habitat Woods; in summer, boreal forests, muskegs, bogs. Breeds in wet northern forest, especially in spruce bogs with ground cover of sphagnum moss, also in tamarack-white cedar swamps, and in willow-alder thickets along streams in dense coniferous forest. In winter, lives in undergrowth of tropical forest.
While some of its relatives are often found in sunny open places, the Yellow-bellied Flycatcher is a bird of deep shade. It spends the summer in spruce bogs and other damp northern forests, where it places its nest on the ground in sphagnum moss or among tree roots. Although the Yellow-bellied is not as hard to identify in spring as some small flycatchers, birders may miss it because it moves north late, after most of the spring migrants have passed.
Photo Gallery
  • adult
  • immature (1st winter)
  • adult
Feeding Behavior

Forages by watching from a perch, usually at low to mid levels in the forest, and then flying out to catch insects in the air. Also takes some food (such as caterpillars and spiders) from foliage or twigs while hovering. May sometimes take some insects while perched.


Eggs

3-4, sometimes 5. White, lightly spotted with brown. Incubation is by female only, 12-14 days. Young: Both parents bring food for nestlings. Age of young at first flight about 13-14 days. Probably only 1 brood per year.


Young

Both parents bring food for nestlings. Age of young at first flight about 13-14 days. Probably only 1 brood per year.

Diet

Mostly insects. Feeds on a variety of small insects, both flying types and those taken from foliage, including many ants and small wasps, also flies, beetles, true bugs, caterpillars, moths, and others. Also eats many spiders, and eats small numbers of berries and sometimes seeds.


Nesting

Male defends nesting territory by singing, often from an exposed perch. Adults tend to be quiet and inconspicuous around the nest. Nest site is usually in dense sphagnum moss on or just above the ground in boggy places; sometimes placed among the upturned roots of a fallen tree, or in other sheltered low spot. Generally well hidden within mosses with only a small entrance showing, and very difficult to find. Nest is bulky cup of mosses, mixed with weeds and rootlets, lined with grass, sedges, and many fine rootlets.

Illustration © David Allen Sibley.
Learn more about these drawings.

Text © Kenn Kaufman, adapted from
Lives of North American Birds

Migration

Spring migration is notably late, with most northbound migrants passing through in mid to late May. Almost all migration is through the east, even for birds nesting in far western Canada.

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Migration

Spring migration is notably late, with most northbound migrants passing through in mid to late May. Almost all migration is through the east, even for birds nesting in far western Canada.

  • All Seasons - Common
  • All Seasons - Uncommon
  • Breeding - Common
  • Breeding - Uncommon
  • Winter - Common
  • Winter - Uncommon
  • Migration - Common
  • Migration - Uncommon
Songs and Calls
On breeding grounds, a flat chilk or killic; also a rising 2-note whistle, per-wee?
Audio © Lang Elliott, Bob McGuire, Kevin Colver, Martyn Stewart and others.
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How climate change could affect this bird's range

In the broadest and most detailed study of its kind, Audubon scientists have used hundreds of thousands of citizen-science observations and sophisticated climate models to predict how birds in the U.S. and Canada will react to climate change.

Learn more

Read more: climate.audubon.org
Tyrant Flycatchers Perching Birds

Yellow-bellied Flycatcher

The darker the color, the more favorable the climate conditions are for survival. The outlined areas represent approximate current range for each season.

More on reading these maps.

Each map is a visual guide to where a particular bird species may find the climate conditions it needs to survive in the future. We call this the bird’s “climatic range.”

The colors indicate the season in which the bird may find suitable conditions— blue for winter, yellow for summer (breeding), and green for where they overlap (indicating their presence year-round).

The darker the shaded area, the more likely it is the bird species will find suitable climate conditions to survive there.

The outline of the approximate current range for each season remains fixed in each frame, allowing you to compare how the range will expand, contract, or shift in the future.

The first frame of the animation shows where the bird can find a suitable climate today (based on data from 2000). The next three frames predict where this bird’s suitable climate may shift in the future—one frame each for 2020, 2050, and 2080.

You can play or pause the animation with the orange button in the lower left, or select an individual frame to study by clicking on its year.

The darker the color, the more favorable the climate conditions are for survival. The outlined areas represent approximate current range for each season. More on reading these maps.
Winter
Summer

Winter Range
Summer Range
Both Seasons
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