Watercolor portrait of Least Flycatcher (Empidonax minimus)

What does the Least Flycatcher song sound like?

Empidonax minimus
Song common

Play the real Least Flycatcher song, the "che-BEK! che-BEK!", and learn what to listen for.

che-BEK! che-BEK!

What the Least Flycatcher song sounds like

A sharp, two-syllable whistle repeated every 2–3 seconds, often incessantly at dawn.

che-BEK! che-BEK!

Birders often file this one under Primary song.

How to find the bird singing it

Deciduous and mixed-wood forest edges, orchards, shelterbelts, wooded parks, and streamside thickets; prefers stands with a semi-open understory and scattered tall perch trees.

  • Bold eye ring: Crisp, complete white eye ring forms a distinct ‘spectacled’ look.
  • Short, flat bill: Small, dark upper mandible with yellow-orange lower mandible contrasts with longer bills of other Empidonax.
  • Olive-gray upperparts: Neutral olive-gray back and crown lack strong contrast; faint wingbars on dark wings.

When you'll hear it

Spring arrival

Floods north late April–May; males establish song colonies and sing nearly nonstop.

Breeding (Summer)

Pairs nest May–July; females build a cup of grasses 2–8 m high in a deciduous sapling.

Fall migration

Quiet flocks drift south Aug–Sep, often with warblers; calls become sparse ‘whit.’

Winter

Spends Nov–Mar in tropical forest edges from S. Mexico to Panama, largely silent.

Least Flycatcher song FAQ

What does a Least Flycatcher song sound like?
A sharp, two-syllable whistle repeated every 2–3 seconds, often incessantly at dawn. Birders write it as "che-BEK! che-BEK!".
How do I tell a Least Flycatcher from a Alder Flycatcher by ear?
Alder Flycatcher: Alder’s song is a harsh two-syllable “fee-BEE-o” unlike Least’s crisp “che-BEK.”; Alder shows a slightly longer primary projection and greener back in fresh plumage..
When is the best time to hear the Least Flycatcher song?
Arrives on breeding grounds from late April through May; males sing vigorously and defend tiny territories through July. Post-breeding dispersal begins in August, with most gone by mid-September. Winters quietly in tropical forest edges and shade-coffee plantations.

More Least Flycatcher sounds