BirdAnalyst
Species · BCR 21 · BBS 2025 Release · 1966–2024

Common Grackle In Oaks and Prairies

All regionsOaks and PrairiesGeneralists

Common Grackle in Oaks and Prairies has surged: up 91% on the route-weighted index since 1969.

+91%Since 1969
73Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Common Grackle has surged in Oaks and Prairies: up 91% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Common Grackle in Oaks and Prairies is projected to rise about 45% by 2029 — from 5.5 in 2024 to a central estimate of 8.0 (95% range 0.00–31). A 5-year backtest shows a typical error of ±91.9%, with 100% of held-out values landing inside the 95% band.

+45%Change by 2029
8.0Projected 2029 index
0.00–3195% range
±91.9%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
20259.00.0032
20268.80.0032
20278.50.0032
20288.20.0031
20298.00.0031

Routes In Oaks and Prairies

Routes recording Common Grackle in Oaks and Prairies.
HenriettaTEXAS842022
Mount ZionTEXAS832024
Wolfe CityTEXAS351987
GauseTEXAS331997
MuldoonTEXAS242024
Blue RidgeTEXAS212024
HobsonTEXAS182024
OlneyTEXAS162024
LocoOKLAHOMA141985
GrafordTEXAS142019
OakwoodTEXAS131987
Arenosa CrkTEXAS122023
E GeorgetownTEXAS121979
HearneTEXAS112024
Miller GroveTEXAS102024
WalburgTEXAS102024
ThorntonTEXAS91984
DallasTEXAS92024
MegargelTEXAS92015
Oak GroveTEXAS81999
Peach CreekTEXAS71991
Thornton 2TEXAS72010
HoldenvilleOKLAHOMA62024
DuncanOKLAHOMA62024
SadlerTEXAS62023

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