All birds/Tyrannidae/Acadian Flycatcher
AI reconstruction of Acadian Flycatcher (Empidonax virescens)AI

AI reconstruction created with Nano Banana 2 · 1K, grounded in the profile’s documented taxonomy, habitat, natural-history sources, and an open-license visual reference when available. It is an interpretive image, not documentary evidence. Image policy

PRB-0261Passeriformes

Acadian Flycatcher

Mosquero Verdoso

Empidonax virescens

Accidental / vagrantIUCN LC · Least Concern

The Acadian flycatcher (Empidonax virescens) is a small insect-eating bird of the tyrant flycatcher family. == Description == Adults have olive upperparts, darker on the wings and tail, with whitish underparts; they have a white eye ring, white wing bars and a wide bill. The breast is washed with olive. The upper part of the bill is dark; the lower part is yellowish. This bird's song is an explosive peet-sa. The call is a soft peet. They also have a call similar to that of the northern flicker. A unique two-note song described as "ka-zeep" helps to identify this species. Measurements: Length: 5.5–5.9 inches (14–15 cm) Weight: 0.4–0.5 ounces (11–14 g) Wingspan: 8.7–9.1 inches (22–23 cm)

FamilyTyrannidaeTyrant Flycatchers
Puerto Rico occurrenceAccidental / vagrantAvibase inferred core 380
Primary habitatforestsForest
Primary dietInvertebrateInvertivore
Average mass12.633333333333333 gGlobal trait estimate
MovementMigratoryInsessorial

Sound archive

Hear its voice

Explore real songs and calls. The spectrogram turns each sound into a visual trace of time and frequency.

XC1036513Recording 1 of 3song
Spectrogram of Acadian Flycatcher: song
SpectrogramEmpidonax virescens

Play: song by Bobby Wilcox

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Sound recorded by Bobby Wilcox · XC1036513 · CC BY-NC-SA 4.0. Visualization by Stichting Xeno-canto voor Natuurgeluiden.

Every recording retains the creator, catalogue number, and license published by Xeno-canto. Metadata via GBIF

Island profile

Catalog scopeAvibase inferred core 380

About the Acadian Flycatcher

The Acadian flycatcher (Empidonax virescens) is a small insect-eating bird of the tyrant flycatcher family. == Description == Adults have olive upperparts, darker on the wings and tail, with whitish underparts; they have a white eye ring, white wing bars and a wide bill. The breast is washed with olive. The upper part of the bill is dark; the lower part is yellowish. This bird's song is an explosive peet-sa. The call is a soft peet. They also have a call similar to that of the northern flicker. A unique two-note song described as "ka-zeep" helps to identify this species. Measurements: Length: 5.5–5.9 inches (14–15 cm) Weight: 0.4–0.5 ounces (11–14 g) Wingspan: 8.7–9.1 inches (22–23 cm)

Conservation

Least Concern

IUCN LC

Global IUCN
LC
Puerto Rico DNER
No current listing in source crosswalk
Federal ESA
No current listing in source crosswalk
Critical habitat
Not identified in source crosswalk

Natural history

How it lives

Habitat
forests
Elevation
0–1500 m
Nest
Cup / bowl · Shrub / bush / vine; Tree
Clutch
1–4 eggs
Social behavior
Not resolved

Keep exploring

This bird belongs to 6 paths through the atlas.

Evidence trail

Sources, media & further reading