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

Great-tailed Grackle In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasGeneralists

Great-tailed Grackle in West Gulf Coastal Plain / Ouachitas has surged: up 163% on the route-weighted index since 1972.

+163%Since 1972
23Routes In Region
53Years

Notable Signals

long arc increasecomputed index

Great-tailed Grackle has surged in West Gulf Coastal Plain / Ouachitas: up 163% on the route-weighted index since 1972.

Forecast

If the recent trend holds, Great-tailed Grackle in West Gulf Coastal Plain / Ouachitas is projected to fall about 97% by 2029 — from 1.1 in 2024 to a central estimate of 0.04 (95% range 0.00–1.8). A 5-year backtest shows a typical error of ±81.9%, with 100% of held-out values landing inside the 95% band.

-97%Change by 2029
0.04Projected 2029 index
0.00–1.895% range
±81.9%Backtest error
19702029
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
20250.120.001.9
20260.100.001.8
20270.080.001.8
20280.060.001.8
20290.040.001.8

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Great-tailed Grackle in West Gulf Coastal Plain / Ouachitas.
Chandler 2TEXAS382024
Liberty HillTEXAS112023
IndianolaOKLAHOMA92024
LivingstonTEXAS82024
Easton 2TEXAS62021
De QuincyLOUISIANA41999
McalesterOKLAHOMA41991
EastonTEXAS42005
BlancoOKLAHOMA31990
PhillipsOKLAHOMA32005
Union HillTEXAS32024
HopeARKANSAS22022
Big CedarOKLAHOMA21993
SandbluffOKLAHOMA21992
PocolaOKLAHOMA22009
Town BluffTEXAS21983
New WaverlyTEXAS21975
AthensTEXAS22019
ChandlerTEXAS22004
AshdownARKANSAS11989
MassardARKANSAS11990
CanadianOKLAHOMA12015
Lance Rosier BithTEXAS12019

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