BirdAnalyst
Species · BCR 24 · BBS 2025 Release · 1966–2024

Field Sparrow In Central Hardwoods

All regionsCentral HardwoodsGeneralists

Field Sparrow in Central Hardwoods has fallen sharply: down 69% on the route-weighted index since 1968.

-69%Since 1968
166Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Field Sparrow has fallen sharply in Central Hardwoods: down 69% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Field Sparrow in Central Hardwoods is projected to fall about 29% by 2029 — from 11 in 2024 to a central estimate of 8.0 (95% range 0.00–16). A 5-year backtest shows a typical error of ±25.6%, with 100% of held-out values landing inside the 95% band.

-29%Change by 2029
8.0Projected 2029 index
0.00–1695% range
±25.6%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
20259.21.117
20268.90.8417
20278.60.5317
20288.30.2316
20298.00.0016

Routes In Central Hardwoods

Routes recording Field Sparrow in Central Hardwoods.
RoyaltonILLINOIS452024
Bays ForkKENTUCKY422019
DrakesboroKENTUCKY381993
Beaverdam LkILLINOIS312023
Peace ValleyMISSOURI312024
Osage BeachMISSOURI312024
BelknapILLINOIS302024
Cole CampMISSOURI291990
RichlandMISSOURI282021
SwaimALABAMA252024
BremenILLINOIS252024
GraydonMISSOURI252024
West PlainsMISSOURI252024
RomeOHIO252024
FarwellARKANSAS232018
Iron BridgeKENTUCKY231998
JohnsonvilleKENTUCKY222021
Buena VistaKENTUCKY222017
BlandMISSOURI222024
LeveeKENTUCKY211982
EugeneMISSOURI212024
PetersburgTENNESSEE212019
SwedenMISSOURI202024
PeytonsvilleTENNESSEE202024
MerrimacKENTUCKY192024

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