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

Least Flycatcher In Appalachian Mountains

All regionsAppalachian MountainsAerial insectivores

Least Flycatcher in Appalachian Mountains has declined: down 45% on the route-weighted index since 1968.

-45%Since 1968
257Routes In Region
58Years

Notable Signals

No notable trend signals for Least Flycatcher in Appalachian Mountains. See the full index history below.

Forecast

If the recent trend holds, Least Flycatcher in Appalachian Mountains is projected to fall about 12% by 2029 — from 0.81 in 2024 to a central estimate of 0.72 (95% range 0.24–1.2). A 5-year backtest shows a typical error of ±31%, with 100% of held-out values landing inside the 95% band.

-12%Change by 2029
0.72Projected 2029 index
0.24–1.295% range
±31%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
20250.800.321.3
20260.780.301.3
20270.760.281.2
20280.740.261.2
20290.720.241.2

Routes In Appalachian Mountains

Routes recording Least Flycatcher in Appalachian Mountains.
MeridaleNEW-YORK112024
PoyntellePENNSYLVANIA112024
McdonoughNEW-YORK92017
OxfordNEW-YORK91976
RalstonPENNSYLVANIA91966
Valley HeadWEST-VIRGINIA92024
CooperstownNEW-YORK81977
StarlightPENNSYLVANIA81999
Green BankWEST-VIRGINIA82024
MilfordNEW-YORK72023
S Berne 2NEW-YORK72024
English CtrPENNSYLVANIA71989
Ltl Pine CrPENNSYLVANIA72024
DenmarWEST-VIRGINIA72024
DurhamNEW-YORK61976
S BerneNEW-YORK62013
Platte CoveNEW-YORK62018
Mawr GlenPENNSYLVANIA62024
Roulette 2PENNSYLVANIA62024
EldredPENNSYLVANIA52022
ArnotPENNSYLVANIA52024
Broad Mtn.PENNSYLVANIA52024
CovingtonVIRGINIA51966
Shenandoa NpVIRGINIA52024
Iron Mountain 3VIRGINIA52023

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