BirdAnalyst
Species · BCR 28 · BBS 2025 Release · 1966–2024

Acadian Flycatcher In Appalachian Mountains

All regionsAppalachian MountainsAerial insectivores

Acadian Flycatcher in Appalachian Mountains has surged: up 84% on the route-weighted index since 1968.

+84%Since 1968
349Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Acadian Flycatcher has surged in Appalachian Mountains: up 84% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Acadian Flycatcher in Appalachian Mountains is projected to stay roughly flat through 2029, near 4.9 (95% range 3.7–6.2). A 5-year backtest shows a typical error of ±10.5%, with 100% of held-out values landing inside the 95% band.

+0%Change by 2029
4.9Projected 2029 index
3.7–6.295% range
±10.5%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20254.83.56.0
20264.83.66.1
20274.93.66.1
20284.93.76.1
20294.93.76.2

Routes In Appalachian Mountains

Routes recording Acadian Flycatcher in Appalachian Mountains.
Tar HollowOHIO562024
DresdenOHIO402024
Front RoyalVIRGINIA362024
Mohican S.F.OHIO352024
New MarketVIRGINIA322024
StollingsWEST-VIRGINIA282021
GlenwoodVIRGINIA232023
Wayne N.F.OHIO202024
Tick RidgeOHIO202019
Broad Mtn.PENNSYLVANIA202024
NicutWEST-VIRGINIA202024
CedarvilleWEST-VIRGINIA202023
SmithfieldWEST-VIRGINIA202024
StaffordsvilKENTUCKY191997
SmithsburgMARYLAND192014
Bald KnobVIRGINIA192024
BreedenWEST-VIRGINIA192024
Strange CrkWEST-VIRGINIA182024
Cumberlnd GpKENTUCKY162018
Laurel HillPENNSYLVANIA162024
Tussey Mtn.PENNSYLVANIA162024
Mountain Lk.VIRGINIA162018
Josephs MillWEST-VIRGINIA162024
MeadlandWEST-VIRGINIA162024
Coal RunOHIO151992

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.