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
0.00–2795% range
±57.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 8.7 | 0.00 | 28 |
| 2026 | 8.5 | 0.00 | 28 |
| 2027 | 8.2 | 0.00 | 27 |
| 2028 | 7.9 | 0.00 | 27 |
| 2029 | 7.7 | 0.00 | 27 |
Common Grackle Survey Routes in Oklahoma
| Colony | 71 | 1995 | 1995 |
| Hooker | 60 | 2024 | 1992 |
| Mcalester | 48 | 1991 | 1967 |
| Welch | 29 | 2024 | 1967 |
| Randlett | 27 | 2024 | 1968 |
| Collinsville | 26 | 2021 | 1967 |
| Hollis | 26 | 2024 | 1993 |
| Cooperton | 25 | 2024 | 1992 |
| Chester | 21 | 1988 | 1970 |
| Felt | 18 | 2024 | 1974 |
| Matoy | 17 | 2000 | 1992 |
| Erick | 16 | 2024 | 1973 |
| Rosston | 16 | 2018 | 1975 |
| Ft Sill East | 16 | 1994 | 1994 |
| Loco | 14 | 1985 | 1973 |
| Phroso | 13 | 2023 | 1991 |
| Blanco | 13 | 1998 | 1967 |
| Hardesty | 13 | 2024 | 1975 |
| Keetonville | 13 | 2022 | 1992 |
| Wainwright | 12 | 2013 | 1992 |
| Indianola | 11 | 2023 | 1967 |
| Sickles | 11 | 2021 | 1992 |
| Baron | 10 | 2021 | 1967 |
| Beaver | 10 | 2018 | 1979 |
| Arapaho | 10 | 2014 | 1992 |
Common Grackle Population Trend in Other States
alabamaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiopennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.