Ash-throated Flycatcher vs Say's Phoebe: Complete Identification Comparison | BackyardBird.org
Species Comparisons • Backyard Identification

Ash-throated Flycatcher vs Say’s Phoebe

Ash-throated Flycatcher — The Rufous Wings (Source: Wikimedia Commons)
Ash-throated Flycatcher
Ash-throated Flycatcher • Wikimedia Commons
Ash-throated Flycatcher — The Crested Head (Source: Wikimedia Commons)
Ash-throated Flycatcher
Ash-throated Flycatcher • Wikimedia Commons
Ash-throated Flycatcher — The Sally Hunter (Source: Wikimedia Commons)
Ash-throated Flycatcher
Ash-throated Flycatcher • Wikimedia Commons
Ash-throated Flycatcher — The Dry West (Source: Wikimedia Commons)
Ash-throated Flycatcher
Ash-throated Flycatcher • Wikimedia Commons
Say's Phoebe — The Gray Back (Source: Wikimedia Commons)
Say’s Phoebe
Say’s Phoebe • Wikimedia Commons
Say's Phoebe — The Tail Dip (Source: Wikimedia Commons)
Say’s Phoebe
Say’s Phoebe • Wikimedia Commons
Say's Phoebe — The Sally Hunter (Source: Wikimedia Commons)
Say’s Phoebe
Say’s Phoebe • Wikimedia Commons
Say's Phoebe — The Open West (Source: Wikimedia Commons)
Say’s Phoebe
Say’s Phoebe • Wikimedia Commons

Ash-throated Flycatcher vs Say’s Phoebe (Myiarchus cinerascens vs Sayornis saya): The Complete Backyard Identification Guide

Written by Avian Biology Editorial Team • Updated: October 2026 • Verified Backyard Field Data
Field Summary

Quick Answer: The Fastest Way to Tell Them Apart

Two grayish western insect-hunters of dry country. Three rules:

  • Belly color: pale yellow belly below an ash-gray breast = Ash-throated Flycatcher; warm cinnamon-buff belly below gray-brown = Say’s Phoebe.
  • Head: a slight crest and slim, alert profile = Ash-throated; a plain round head on an upright body = Say’s Phoebe.
  • Tail behavior: the phoebe wags its black tail downward almost constantly; the Ash-throated shows rufous in the wings and tail when it flies.

At-a-Glance Comparison Table

Crested vs wagging, side by side. KEY rows separate fastest.

FeatureAsh-throated FlycatcherSay’s Phoebe
Scientific NameMyiarchus cinerascensSayornis saya
Length8.5 in (21.5 cm)7.5 in (19 cm)
Wingspan12.6 in (32 cm)13.0 in (33 cm)
Weight0.9–1.3 oz (26–37 g)0.7–0.9 oz (20–26 g)
Overall Shape KEYSlim, crested flycatcher with rufous in wings and tailSlim, upright flycatcher with a wagging black tail
Male Plumage KEYGray-brown back and slight crest, ash-gray throat and breast, pale yellow belly, rufous edges in wings and tail (sexes alike)Gray-brown above with a plain face, cinnamon-buff belly and undertail, black tail (sexes alike)
Female PlumageIdentical to the maleIdentical to the male
Bill ShapeSlim, dark, slightly hooked at the tipThin, black
TailLong, brown, with rufous inner webs visible from belowBlack, constantly wagged downward
Core Range KEYThe dry West — open woods, desert scrub, canyons and oak foothillsOpen dry country of the West — ranches, desert flats, badlands and prairie edges
MigrationMigrant; winters in Mexico and Central AmericaPartial migrant; southern birds resident, northern birds withdraw
Feeder PresenceDoes not use feeders; hunts insects from low perches in dry yardsDoes not use feeders; perches on fences and rocks in open yards hunting insects
Favorite FoodsInsects caught on the wing or picked from foliageFlying insects, caught in short sallies from low perches
Song KEYA burry, rising “ka-brick” and rolling “prrrt”A whistled, slightly sad “pee-ur” repeated with variations
Flight CallA soft “pip” and the dawn “wheer”A soft whistled “pwee” with a falling pitch
Population TrendStable across the WestStable across the open West

Male Field Marks, Side by Side

Ash-throated Flycatcher Male

Ash-throated Flycatcher — Male

Myiarchus cinerascens
  • Ash-gray throat and breast, pale yellow belly.
  • Rufous edges in the wings and tail.
  • Slight crest; slim Myiarchus shape.
Say's Phoebe Male

Say’s Phoebe — Male

Sayornis saya
  • Cinnamon-buff belly contrasting with gray-brown upperparts.
  • Black tail wagged downward at every perch.
  • Plain-faced, slim and upright on fences and rocks.

Female & Juvenile Marks, Side by Side

Ash-throated Flycatcher Female

Ash-throated Flycatcher — Female

Myiarchus cinerascens
  • Identical to the male.
  • Nests in cavities — including nest boxes and old woodpecker holes.
  • Hunts from a low perch with an upright, alert posture.
Say's Phoebe Female

Say’s Phoebe — Female

Sayornis saya
  • Identical to the male.
  • Nests under eaves, bridges and ledges.
  • Hunts insects in short sallies close to the ground.

Part-by-Part Anatomy Breakdown

Belly color first, then head shape and tail:

Body PartAsh-throated FlycatcherSay’s Phoebe
Breast & BellyAsh-gray breast, pale yellow bellyGray-brown breast, cinnamon-buff belly
HeadSlight crest, sleeked or raisedPlain, round, crestless
WingsRufous edges visible on the flight feathersPlain dark wings
TailBrown with rufous inner websPlain black, wagged downward
BillSlim, dark, slightly hookedThin, black, flat-based
Hunting StyleSallies from mid-height perches in open woodsLow sallies from fences and rocks, close to the ground
VoiceBurry “ka-brick”Whistled “pee-ur”

Song & Call Comparison

Ash-throated Flycatcher

Myiarchus cinerascens

Voice: a burry, rising ka-brick and rolling prrrt.

Dawn song: a repeated soft wheer.

Say’s Phoebe

Sayornis saya

Song: a whistled, slightly sad pee-ur with variations.

Calls: a soft falling pwee.

Range & Seasonal Presence

The Ash-throated Flycatcher breeds across the dry West — open woods, desert scrub, canyons and oak foothills — and winters in Mexico and Central America.

The Say’s Phoebe lives in even more open country — ranches, desert flats, badlands and prairie edges — from Alaska to Mexico, with southern birds resident year-round. Where open desert meets scattered trees in the Southwest, the two share the same map.

Feeder Behavior & Favorite Foods

  • Neither uses feeders — both are pure insect hunters.
  • Ash-throated Flycatcher: nests in cavities and accepts large nest boxes in dry oak and juniper country.
  • Say’s Phoebe: nests under eaves, bridges and porch ledges — a pair under the eaves hunts your yard’s insects all summer.
  • Best attractant: open perches (fence posts, dead branches) over bare or short ground for both species.

Temperament & Flock Behavior

Ash-throated Flycatchers sit alert and upright, crest flicking up at any movement, and deliver burry calls from mid-level perches.

Say’s Phoebes are calm and confiding — pumping that black tail on a fence post, then making short low sallies for insects and returning to the same spot.

6-Step Backyard ID Checklist

  1. Belly. Pale yellow = Ash-throated; cinnamon-buff = Say’s Phoebe.
  2. Crest. Slight crest = Ash-throated; round plain head = phoebe.
  3. Tail. Rufous inner webs = Ash-throated; plain black, constantly wagged = phoebe.
  4. Face. Slim with a peaked crown = Ash-throated; plain-faced = phoebe.
  5. Voice. Burry “ka-brick” = Ash-throated; whistled “pee-ur” = phoebe.
  6. Perch height. Mid-level in open woods = Ash-throated; low fences and rocks = phoebe.

Frequently Asked Questions

How do you tell an Ash-throated Flycatcher from a Say’s Phoebe?+
The Ash-throated has a slight crest, an ash-gray breast over a pale yellow belly, and rufous edges in the wings and tail. The Say’s Phoebe is plain-faced with a cinnamon-buff belly and constantly wags its plain black tail.
Why does the Say’s Phoebe wag its tail?+
Tail-wagging (pumping the tail downward) is the signature behavior of all phoebes — the exact function is debated, but it likely signals alertness to predators. The Ash-throated Flycatcher does not wag its tail this way.
Do either of these birds come to feeders?+
No — both eat insects caught in flight. The Say’s Phoebe nests under eaves and bridges; the Ash-throated nests in cavities and accepts large nest boxes.
What does an Ash-throated Flycatcher sound like?+
A burry, rising “ka-brick” and a rolling “prrrt”. The Say’s Phoebe gives a whistled, slightly sad “pee-ur”.
Which lives in more open country?+
The Say’s Phoebe — it occupies treeless desert flats, badlands and ranchland. The Ash-throated needs at least scattered trees, saguaros or junipers for nest cavities.
Are these birds found in winter?+
Say’s Phoebes winter in the southern part of their range, so southwestern yards can host one year-round. Ash-throated Flycatchers migrate to Mexico and Central America and are summer birds only.
Key Takeaways
  • Belly: Pale yellow = Ash-throated; cinnamon-buff = Say’s Phoebe.
  • Crest: Slight crest = Ash-throated; plain round head = phoebe.
  • Tail: Rufous inner webs = Ash-throated; black and wagging = phoebe.
  • Voice: Burry “ka-brick” = Ash-throated; whistled “pee-ur” = phoebe.
  • Nesting: Cavities and boxes = Ash-throated; eaves and ledges = phoebe.
  • Feeders: Neither eats seed — open perches attract both.