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

Barn Swallow In Appalachian Mountains

All regionsAppalachian MountainsAerial insectivores

Barn Swallow in Appalachian Mountains has edged down: down 18% on the route-weighted index since 1968.

-18%Since 1968
390Routes In Region
58Years

Notable Signals

No notable trend signals for Barn Swallow in Appalachian Mountains. See the full index history below.

Forecast

If the recent trend holds, Barn Swallow in Appalachian Mountains is projected to stay roughly flat through 2029, near 14 (95% range 9.5–19). A 5-year backtest shows a typical error of ±14.7%, with 100% of held-out values landing inside the 95% band.

+6%Change by 2029
14Projected 2029 index
9.5–1995% range
±14.7%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
20251510.019
2026149.819
2027149.719
2028149.619
2029149.519

Routes In Appalachian Mountains

Routes recording Barn Swallow in Appalachian Mountains.
ClimerTENNESSEE1262004
RalstonPENNSYLVANIA1131978
ChurchvilleVIRGINIA1072024
DurhamNEW-YORK961976
Davis CrossroadsGEORGIA812021
CartersvilleGEORGIA712024
ArleeWEST-VIRGINIA661979
Drehersville 2PENNSYLVANIA632024
StonecreekOHIO622024
NormalvillePENNSYLVANIA621974
Jones GapTENNESSEE612019
WarwickNEW-YORK601974
DrehersvillePENNSYLVANIA601999
Coal RunOHIO571992
RavensburgPENNSYLVANIA541980
QuakertownPENNSYLVANIA491989
Schaefferstown 2PENNSYLVANIA492024
OmegaOHIO462024
Big FlatPENNSYLVANIA441981
PortersvillePENNSYLVANIA431988
ScheafferstnPENNSYLVANIA432001
JenningsMARYLAND422024
WaterstreetPENNSYLVANIA422024
Doubling GapPENNSYLVANIA421977
ClendeninWEST-VIRGINIA422024

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