Ash-throated Flycatcher vs Say’s Phoebe (Myiarchus cinerascens vs Sayornis saya): The Complete Backyard Identification Guide
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.
| Feature | Ash-throated Flycatcher | Say’s Phoebe |
|---|---|---|
| Scientific Name | Myiarchus cinerascens | Sayornis saya |
| Length | 8.5 in (21.5 cm) | 7.5 in (19 cm) |
| Wingspan | 12.6 in (32 cm) | 13.0 in (33 cm) |
| Weight | 0.9–1.3 oz (26–37 g) | 0.7–0.9 oz (20–26 g) |
| Overall Shape KEY | Slim, crested flycatcher with rufous in wings and tail | Slim, upright flycatcher with a wagging black tail |
| Male Plumage KEY | Gray-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 Plumage | Identical to the male | Identical to the male |
| Bill Shape | Slim, dark, slightly hooked at the tip | Thin, black |
| Tail | Long, brown, with rufous inner webs visible from below | Black, constantly wagged downward |
| Core Range KEY | The dry West — open woods, desert scrub, canyons and oak foothills | Open dry country of the West — ranches, desert flats, badlands and prairie edges |
| Migration | Migrant; winters in Mexico and Central America | Partial migrant; southern birds resident, northern birds withdraw |
| Feeder Presence | Does not use feeders; hunts insects from low perches in dry yards | Does not use feeders; perches on fences and rocks in open yards hunting insects |
| Favorite Foods | Insects caught on the wing or picked from foliage | Flying insects, caught in short sallies from low perches |
| Song KEY | A burry, rising “ka-brick” and rolling “prrrt” | A whistled, slightly sad “pee-ur” repeated with variations |
| Flight Call | A soft “pip” and the dawn “wheer” | A soft whistled “pwee” with a falling pitch |
| Population Trend | Stable across the West | Stable across the open West |
Male Field Marks, Side by Side
Ash-throated Flycatcher — Male
- Ash-gray throat and breast, pale yellow belly.
- Rufous edges in the wings and tail.
- Slight crest; slim Myiarchus shape.
Say’s Phoebe — Male
- 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
- 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
- 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 Part | Ash-throated Flycatcher | Say’s Phoebe |
|---|---|---|
| Breast & Belly | Ash-gray breast, pale yellow belly | Gray-brown breast, cinnamon-buff belly |
| Head | Slight crest, sleeked or raised | Plain, round, crestless |
| Wings | Rufous edges visible on the flight feathers | Plain dark wings |
| Tail | Brown with rufous inner webs | Plain black, wagged downward |
| Bill | Slim, dark, slightly hooked | Thin, black, flat-based |
| Hunting Style | Sallies from mid-height perches in open woods | Low sallies from fences and rocks, close to the ground |
| Voice | Burry “ka-brick” | Whistled “pee-ur” |
Song & Call Comparison
Ash-throated Flycatcher
Voice: a burry, rising ka-brick and rolling prrrt.
Dawn song: a repeated soft wheer.
Say’s Phoebe
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
- Belly. Pale yellow = Ash-throated; cinnamon-buff = Say’s Phoebe.
- Crest. Slight crest = Ash-throated; round plain head = phoebe.
- Tail. Rufous inner webs = Ash-throated; plain black, constantly wagged = phoebe.
- Face. Slim with a peaked crown = Ash-throated; plain-faced = phoebe.
- Voice. Burry “ka-brick” = Ash-throated; whistled “pee-ur” = phoebe.
- Perch height. Mid-level in open woods = Ash-throated; low fences and rocks = phoebe.
Frequently Asked Questions
- 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.
