Species · Nebraska · BBS 2025 Release · 1966–2024
Blue Grosbeak Population Trend in Nebraska
Blue Grosbeak in Nebraska has surged: up 269% on the route-weighted index since 1969.
+269%Since 1969
70Routes In State
57Years
Notable Blue Grosbeak Trends in Nebraska
long arc increasecomputed index
Blue Grosbeak has surged in Nebraska: up 269% on the route-weighted index since 1969.
Blue Grosbeak Population Forecast in Nebraska
If the recent trend holds, Blue Grosbeak in Nebraska is projected to stay roughly flat through 2029, near 3.6 (95% range 2.4–4.8). A 5-year backtest shows a typical error of ±13.2%, with 100% of held-out values landing inside the 95% band.
-8%Change by 2029
3.6Projected 2029 index
2.4–4.895% range
±13.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.4 | 2.2 | 4.6 |
| 2026 | 3.4 | 2.2 | 4.6 |
| 2027 | 3.5 | 2.3 | 4.7 |
| 2028 | 3.5 | 2.3 | 4.7 |
| 2029 | 3.6 | 2.4 | 4.8 |
Blue Grosbeak Survey Routes in Nebraska
| Boelus | 14 | 2022 | 2018 |
| Hendley | 13 | 2024 | 2018 |
| Stratton | 12 | 2024 | 1975 |
| Midway | 12 | 2023 | 1967 |
| Berwyn 2 | 12 | 2018 | 2014 |
| Paxton | 11 | 2016 | 1967 |
| Bartley | 10 | 2024 | 1967 |
| Petersburg | 10 | 2023 | 1979 |
| Crookston | 10 | 2024 | 2018 |
| Brady | 9 | 2024 | 1980 |
| Berwyn | 9 | 2010 | 1994 |
| Kenesaw | 8 | 2024 | 1980 |
| Benkelman | 8 | 2022 | 1986 |
| Arthur | 8 | 2024 | 1998 |
| Mullen | 8 | 2023 | 1999 |
| Dalton | 7 | 2024 | 1968 |
| Sparta | 7 | 2021 | 1967 |
| Sumner | 6 | 2024 | 1977 |
| Oconto | 6 | 1975 | 1975 |
| Eagle Creek | 6 | 2024 | 1968 |
| Swan Lake | 6 | 2023 | 2007 |
| Murray Lake | 6 | 2024 | 1987 |
| Nenzel | 6 | 2024 | 2018 |
| Sargent | 6 | 2024 | 2021 |
| Agate 2 | 6 | 2024 | 2007 |
Blue Grosbeak Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradodelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandminnesotamississippimissourimontananevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvirginiawest-virginiawyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.