Pennsylvania · Summer breeder

Least Flycatchers in Pennsylvania

When least flycatchers are present in Pennsylvania, when they nest, which native Pennsylvania plants feed them, and how to host them in a USDA 5a–7b yard.

Tyrant flycatchers (Tyrannidae)Least FlycatcherEmpidonax minimus
Status in Pennsylvania
Summer breeder
Nesting window
May–July
Broods
1 per season
Hardiness zones
USDA 5a–7b

When to expect least flycatchers in Pennsylvania

Least Flycatchers are summer residents in Pennsylvania, arriving shortly before nesting begins in May and leaving after the young are independent.

Humid continental; cold, snowy winters in the north and mountains, milder in the southeast.

Nesting in Pennsylvania

Across Pennsylvania, least flycatchers typically nest from May–July. Plan around that window: April for setup, July for clean-out.

Warm summers; bluebirds typically raise two broods.

  • Least Flycatchers don't use nest boxes. Keep dense native shrubs and trees such as black cherry, white oak, flowering dogwood for nest sites.
  • Delay heavy pruning of shrubs until after July.

Native Pennsylvania plants that attract least flycatchers

Of the regional native plants we track for Pennsylvania, these 8 provide food or cover least flycatchers use:

Black cherry
Prunus serotina · Tree

Summer fruit and a major caterpillar host.

White oak
Quercus alba · Tree

Acorns and insects.

New England aster
Symphyotrichum novae-angliae · Perennial

Fall seed.

Flowering dogwood
Cornus florida · Tree

Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.

Serviceberry
Amelanchier arborea · Tree

Early-summer berries arrive exactly when nestlings are being fed.

Bur oak
Quercus macrocarpa · Tree

Drought-hardy prairie oak with large acorns and a heavy insect load.

American elderberry
Sambucus canadensis · Shrub

Late-summer berry clusters taken by over 40 bird species.

Arrowwood viburnum
Viburnum dentatum · Shrub

Blue-black fall fruit and dense nesting cover.

Feeding least flycatchers through the Pennsylvania year

  • Top foods: None — shady second-growth woods are the draw.
  • In Pennsylvania's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for least flycatchers · Best feeder for least flycatchers

Frequently asked

Are least flycatchers in Pennsylvania year-round?

No. Least Flycatchers are summer breeders in Pennsylvania and leave for the winter.

When do least flycatchers nest in Pennsylvania?

Nesting in Pennsylvania typically runs May–July, with 1 per season. Clutches are 3–6 eggs, incubated for 13–15 days.

What native plants attract least flycatchers in Pennsylvania?

Black cherry, White oak, New England aster, Flowering dogwood, Serviceberry, Bur oak, American elderberry, Arrowwood viburnum are native plants in Pennsylvania that provide food or cover for least flycatchers.

Least Flycatchers in other regions

Other backyard birds in Pennsylvania

Northern CardinalEastern BluebirdBlack-capped ChickadeeCarolina ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchTufted TitmouseWhite-breasted NuthatchHouse WrenBlue JayHouse FinchPurple FinchRuby-throated HummingbirdCarolina WrenMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowRed-bellied WoodpeckerNorthern FlickerPileated WoodpeckerRed-headed WoodpeckerYellow-bellied SapsuckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleOrchard OrioleRose-breasted GrosbeakEvening GrosbeakPine SiskinCommon RedpollIndigo BuntingEastern TowheeGray CatbirdNorthern MockingbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowEastern PhoebeChimney SwiftYellow-rumped WarblerPine WarblerEastern Screech-OwlWood ThrushGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingFox SparrowAmerican CrowCommon RavenCooper's HawkSharp-shinned HawkRed-tailed HawkBarred OwlGreat Horned OwlAmerican KestrelWood DuckWild TurkeyNorthern BobwhiteMallardGreat Blue HeronBelted KingfisherScarlet TanagerEastern MeadowlarkBrown-headed CowbirdGolden-crowned KingletHermit ThrushWinter WrenPine GrosbeakRed CrossbillField SparrowGray CatbirdLark SparrowHooded MerganserYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerYellow-throated WarblerOvenbirdYellow-breasted ChatRed-eyed VireoWarbling VireoWhite-eyed VireoEastern Wood-PeweeCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkEastern Whip-poor-willCanada GooseAmerican CootKilldeerSpotted SandpiperAmerican WoodcockGreen HeronGreat EgretBlack-crowned Night HeronTurkey VultureBlack VultureOspreyBald EagleRed-shouldered HawkMerlinPeregrine FalconNorthern Saw-whet OwlBlack-backed WoodpeckerSavannah SparrowSwamp SparrowVesper SparrowSnow BuntingHorned LarkBlue GrosbeakCommon RedpollHoary RedpollWhite-winged CrossbillBohemian WaxwingYellow-billed CuckooBobolinkRock Pigeon

Sources

  1. Least Flycatcher — All About Birds, Cornell Lab of Ornithology
  2. Least Flycatcher life history — Cornell Lab of Ornithology
  3. Least Flycatcher — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Pennsylvania
  5. USDA Plant Hardiness Zone Map (2023)
  6. Audubon Native Plants Database

Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.