BirdAnalyst
Species · BCR 26 · BBS 2025 Release · 1966–2024

Field Sparrow In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyGeneralists

Field Sparrow in Mississippi Alluvial Valley has collapsed: down 91% on the route-weighted index since 1968.

-91%Since 1968
33Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Field Sparrow has collapsed in Mississippi Alluvial Valley: down 91% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Field Sparrow in Mississippi Alluvial Valley is projected to fall about 100% by 2029 — from 0.48 in 2024 to a central estimate of 0.00 (95% range 0.00–4.2). A 5-year backtest shows a typical error of ±196%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–4.295% range
±196%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
20250.000.004.2
20260.000.004.2
20270.000.004.2
20280.000.004.2
20290.000.004.2

Routes In Mississippi Alluvial Valley

Routes recording Field Sparrow in Mississippi Alluvial Valley.
PawpawTENNESSEE152012
DundeeMISSISSIPPI132011
HarrisburgARKANSAS82012
Cp GirardeauMISSOURI82024
Pawpaw 2TENNESSEE72023
BardwellKENTUCKY62003
TiptonvilleTENNESSEE62023
FreetownLOUISIANA41978
RoselandLOUISIANA41971
Hickory RidgeARKANSAS32021
South BendARKANSAS21982
AugustaARKANSAS22001
MaynardARKANSAS22024
UlmARKANSAS21994
Augusta 2ARKANSAS22011
Bardwell 2KENTUCKY22024
RayvilleLOUISIANA21973
IsolaMISSISSIPPI22021
KennettMISSOURI22024
HaytiMISSOURI22021
EudoraARKANSAS11982
HughesARKANSAS11996
WhittonARKANSAS11991
SaffellARKANSAS12019
WilsonARKANSAS12022

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