BirdAnalyst
Species · BCR 29 · BBS 2025 Release · 1966–2024

Field Sparrow In Piedmont

All regionsPiedmontGeneralists

Field Sparrow in Piedmont has collapsed: down 77% on the route-weighted index since 1968.

-77%Since 1968
170Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Field Sparrow has collapsed in Piedmont: down 77% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Field Sparrow in Piedmont is projected to fall about 56% by 2029 — from 4.8 in 2024 to a central estimate of 2.1 (95% range 0.00–5.8). A 5-year backtest shows a typical error of ±40.2%, with 100% of held-out values landing inside the 95% band.

-56%Change by 2029
2.1Projected 2029 index
0.00–5.895% range
±40.2%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
20253.00.006.7
20262.80.006.5
20272.60.006.3
20282.30.006.1
20292.10.005.8

Routes In Piedmont

Routes recording Field Sparrow in Piedmont.
CherryvilleNORTH-CAROLINA351968
Ft Pickett NVIRGINIA301995
PendletonSOUTH-CAROLINA291976
Stoney PointGEORGIA272007
OwingsSOUTH-CAROLINA262004
MetasvilleGEORGIA232000
MooresvilleNORTH-CAROLINA222001
AspersPENNSYLVANIA211989
Hulls XroadsNORTH-CAROLINA202023
CrotonNEW-JERSEY172007
IjamsvilleMARYLAND162024
OstwaltNORTH-CAROLINA162024
LabottPENNSYLVANIA161983
ChesneeSOUTH-CAROLINA162015
TrymeVIRGINIA162024
Nixburg 2ALABAMA152024
ConcordVIRGINIA152024
EmmitsburgMARYLAND142024
MadonnaMARYLAND142022
Boiling SpgsSOUTH-CAROLINA141979
MannboroVIRGINIA142024
Ft Pickett SVIRGINIA141995
Liberty CityALABAMA132011
SiloamNORTH-CAROLINA132024
WarfieldsbrgMARYLAND122024

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