BirdAnalyst
Species · BCR 37 · BBS 2025 Release · 1966–2024

Red-winged Blackbird In Gulf Coastal Prairie

All regionsGulf Coastal PrairieGeneralists

Red-winged Blackbird in Gulf Coastal Prairie has declined: down 41% on the route-weighted index since 1969.

-41%Since 1969
48Routes In Region
57Years

Notable Signals

No notable trend signals for Red-winged Blackbird in Gulf Coastal Prairie. See the full index history below.

Forecast

If the recent trend holds, Red-winged Blackbird in Gulf Coastal Prairie is projected to fall about 27% by 2029 — from 139 in 2024 to a central estimate of 102 (95% range 7.4–197). A 5-year backtest shows a typical error of ±11.5%, with 100% of held-out values landing inside the 95% band.

-27%Change by 2029
102Projected 2029 index
7.4–19795% range
±11.5%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
202511520210
202611217207
202710914204
202810610201
20291027.4197

Routes In Gulf Coastal Prairie

Routes recording Red-winged Blackbird in Gulf Coastal Prairie.
Ltl Chenier 2LOUISIANA6312011
Forked Island 2LOUISIANA5412011
Ltl ChenierLOUISIANA4592024
Gran ChenierLOUISIANA3881982
IndianolaTEXAS3382024
CreoleLOUISIANA2941987
Forked IslandLOUISIANA2942024
Oyster LakeTEXAS2852024
MauriceLOUISIANA2382024
KaplanLOUISIANA2352023
PetronilaTEXAS2182024
Grand IsleLOUISIANA1652019
MamouLOUISIANA1601982
WoodlawnLOUISIANA1602021
L. Atascosa NwrTEXAS1532023
WinnieTEXAS1482024
Rock IslandTEXAS1482024
BaysideTEXAS1432010
Bayside 2TEXAS1282004
Bayside 3TEXAS1282024
EstherLOUISIANA1222024
Ville PlatteLOUISIANA1202019
ChinquapinTEXAS1152024
Loyola Beach 2TEXAS1132024
RichardLOUISIANA1122024

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