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

Field Sparrow In Appalachian Mountains

Field Sparrow in Appalachian Mountains has fallen sharply: down 67% on the route-weighted index since 1968.

-67%Since 1968
395Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Field Sparrow has fallen sharply in Appalachian Mountains: down 67% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Field Sparrow in Appalachian Mountains is projected to fall about 55% by 2029 — from 5.3 in 2024 to a central estimate of 2.4 (95% range 0.00–5.1). A 5-year backtest shows a typical error of ±44.9%, with 60% of held-out values landing inside the 95% band.

-55%Change by 2029
2.4Projected 2029 index
0.005.195% range
±44.9%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
20253.10.385.8
20262.90.205.7
20272.80.025.5
20282.60.005.3
20292.40.005.1

Routes In Appalachian Mountains

Routes recording Field Sparrow in Appalachian Mountains.
Coal RunOHIO441992
Corryton RdTENNESSEE412019
NeedmorePENNSYLVANIA261991
BlacksburgVIRGINIA262024
Nat TunnelVIRGINIA242024
Davis CrossroadsGEORGIA232021
BebeeWEST-VIRGINIA232024
StonecreekOHIO222024
Doubling GapPENNSYLVANIA221977
Mt StormWEST-VIRGINIA211975
ShanghaiWEST-VIRGINIA202022
DuvallPENNSYLVANIA192021
Mt OliveTENNESSEE192024
Jones GapTENNESSEE192019
HixWEST-VIRGINIA192024
McdonaldWEST-VIRGINIA192023
StevensonALABAMA182024
PaintsvilleKENTUCKY181995
SturgillsNORTH-CAROLINA182024
MartinsburgWEST-VIRGINIA182024
GeslingKENTUCKY171973
KehoeKENTUCKY171992
OmegaOHIO172024
RectorPENNSYLVANIA171977
Star TanneryVIRGINIA172024

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