BirdAnalyst
Species · BCR 25 · BBS 2025 Release · 1966–2024

Bachman's Sparrow In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasGeneralists

Bachman's Sparrow in West Gulf Coastal Plain / Ouachitas has collapsed: down 78% on the route-weighted index since 1969.

-78%Since 1969
58Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Bachman's Sparrow has collapsed in West Gulf Coastal Plain / Ouachitas: down 78% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Bachman's Sparrow in West Gulf Coastal Plain / Ouachitas is projected to fall about 59% by 2029 — from 0.08 in 2024 to a central estimate of 0.03 (95% range 0.00–0.43). A 5-year backtest shows a typical error of ±15.1%, with 100% of held-out values landing inside the 95% band.

-59%Change by 2029
0.03Projected 2029 index
0.00–0.4395% range
±15.1%Backtest error
19672029
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
20250.080.000.47
20260.070.000.46
20270.060.000.45
20280.040.000.44
20290.030.000.43

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Bachman's Sparrow in West Gulf Coastal Plain / Ouachitas.
Mer RougeLOUISIANA112006
MortonTEXAS91977
PushmatahaOKLAHOMA52023
De QuincyLOUISIANA41998
NatchezLOUISIANA42024
DerryLOUISIANA31989
Fort PolkLOUISIANA31975
Derry 2LOUISIANA31997
BlancoOKLAHOMA31994
Locust BayouARKANSAS22001
CrowsARKANSAS21984
BlakelyARKANSAS21986
PrincetonARKANSAS22011
Four LakesARKANSAS22001
FishvilleLOUISIANA22008
ClayLOUISIANA21972
Hargis 2LOUISIANA22013
Big CedarOKLAHOMA21986
Ouachita NfOKLAHOMA22018
AthensTEXAS21984
FredTEXAS22000
Old MiloARKANSAS11996
RamseyARKANSAS11981
StampsARKANSAS11988
HopeARKANSAS11988

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