Species · Nebraska · BBS 2025 Release · 1966–2024
Common Grackle Population Trend in Nebraska
Common Grackle in Nebraska has declined: down 30% on the route-weighted index since 1969.
-30%Since 1969
75Routes In State
57Years
Notable Common Grackle Trends in Nebraska
No notable trend signals for Common Grackle in Nebraska. See the full index history below.
Common Grackle Population Forecast in Nebraska
If the recent trend holds, Common Grackle in Nebraska is projected to stay roughly flat through 2029, near 47 (95% range 24–70). A 5-year backtest shows a typical error of ±9.5%, with 100% of held-out values landing inside the 95% band.
+3%Change by 2029
47Projected 2029 index
24–7095% range
±9.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 48 | 25 | 71 |
| 2026 | 48 | 25 | 70 |
| 2027 | 47 | 25 | 70 |
| 2028 | 47 | 24 | 70 |
| 2029 | 47 | 24 | 70 |
Common Grackle Survey Routes in Nebraska
| Winside 2 | 264 | 2022 | 2005 |
| Kenesaw | 208 | 2024 | 1967 |
| Sumner | 144 | 2024 | 1967 |
| Surprise | 144 | 2024 | 1967 |
| Sparta | 139 | 2021 | 1967 |
| Hay Springs | 130 | 2024 | 2018 |
| Berwyn | 112 | 2010 | 1993 |
| Hampton | 110 | 2024 | 2018 |
| Gretna | 108 | 2018 | 1967 |
| Belvidere | 97 | 2024 | 1967 |
| Stratton | 97 | 2024 | 1975 |
| Paxton | 96 | 2016 | 1967 |
| Wheeler Co | 92 | 2024 | 1978 |
| Sargent | 84 | 2024 | 2021 |
| Petersburg | 78 | 2023 | 1969 |
| Berea | 74 | 2019 | 1980 |
| Kearney | 72 | 2024 | 1968 |
| Berwyn 2 | 65 | 2021 | 2014 |
| Maxwell | 58 | 2024 | 2018 |
| Dalton | 57 | 2024 | 1968 |
| Tilden | 57 | 2024 | 2019 |
| Richland | 54 | 2024 | 1968 |
| Crookston | 52 | 2024 | 2018 |
| Agate 2 | 50 | 2024 | 2002 |
| Johnstown | 49 | 2024 | 1967 |
Common Grackle Population Trend in Other States
alabamaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.