Species · Oklahoma · BBS 2025 Release · 1966–2024

Common Grackle Population Trend in Oklahoma

Common Grackle in Oklahoma has increased: up 40% on the route-weighted index since 1969.

+40%Since 1969
68Routes In State
57Years

Notable Common Grackle Trends in Oklahoma

No notable trend signals for Common Grackle in Oklahoma. See the full index history below.

Common Grackle Population Forecast in Oklahoma

If the recent trend holds, Common Grackle in Oklahoma is projected to fall about 18% by 2029 — from 9.3 in 2024 to a central estimate of 7.7 (95% range 0.00–27). A 5-year backtest shows a typical error of ±57.9%, with 100% of held-out values landing inside the 95% band.

-18%Change by 2029
7.7Projected 2029 index
0.002795% range
±57.9%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
20258.70.0028
20268.50.0028
20278.20.0027
20287.90.0027
20297.70.0027

Common Grackle Survey Routes in Oklahoma

Routes recording Common Grackle in Oklahoma.
Colony7119951995
Hooker6020241992
Mcalester4819911967
Welch2920241967
Randlett2720241968
Collinsville2620211967
Hollis2620241993
Cooperton2520241992
Chester2119881970
Felt1820241974
Matoy1720001992
Erick1620241973
Rosston1620181975
Ft Sill East1619941994
Loco1419851973
Phroso1320231991
Blanco1319981967
Hardesty1320241975
Keetonville1320221992
Wainwright1220131992
Indianola1120231967
Sickles1120211992
Baron1020211967
Beaver1020181979
Arapaho1020141992

Common Grackle Population Trend in Other States

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