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

Common Grackle In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasGeneralists

Common Grackle in West Gulf Coastal Plain / Ouachitas has collapsed: down 94% on the route-weighted index since 1969.

-94%Since 1969
103Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Common Grackle has collapsed in West Gulf Coastal Plain / Ouachitas: down 94% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Common Grackle in West Gulf Coastal Plain / Ouachitas is projected to fall about 100% by 2029 — from 0.94 in 2024 to a central estimate of 0.00 (95% range 0.00–6.0). A 5-year backtest shows a typical error of ±239.8%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–6.095% range
±239.8%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
20250.000.006.0
20260.000.006.0
20270.000.006.0
20280.000.006.0
20290.000.006.0

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Common Grackle in West Gulf Coastal Plain / Ouachitas.
ChandlerTEXAS902004
WaldronARKANSAS562004
McalesterOKLAHOMA481991
MassardARKANSAS472022
NatchitochesLOUISIANA431991
EastonLOUISIANA411990
OakdaleLOUISIANA391994
FillmoreLOUISIANA341989
CypressLOUISIANA211987
Mer RougeLOUISIANA192008
MatoyOKLAHOMA172000
Neches BithTEXAS172017
Coal HillARKANSAS152023
ChathamLOUISIANA151975
CartervilleLOUISIANA141992
Pine PrairieLOUISIANA141997
BlancoOKLAHOMA131998
BlakelyARKANSAS121999
Fort PolkLOUISIANA111975
ZwolleLOUISIANA112023
IndianolaOKLAHOMA112023
AshdownARKANSAS102023
ManyLOUISIANA91992
IvanLOUISIANA92013
EnterpriseLOUISIANA92019

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