Species · Mississippi · BBS 2025 Release · 1966–2024
Blue Grosbeak Population Trend in Mississippi
Blue Grosbeak in Mississippi has risen sharply: up 61% on the route-weighted index since 1968.
+61%Since 1968
74Routes In State
58Years
Notable Blue Grosbeak Trends in Mississippi
long arc increasecomputed index
Blue Grosbeak has risen sharply in Mississippi: up 61% on the route-weighted index since 1968.
Blue Grosbeak Population Forecast in Mississippi
If the recent trend holds, Blue Grosbeak in Mississippi is projected to stay roughly flat through 2029, near 5.6 (95% range 2.2–9.0). A 5-year backtest shows a typical error of ±41.4%, with 100% of held-out values landing inside the 95% band.
-1%Change by 2029
5.6Projected 2029 index
2.2–9.095% range
±41.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 5.7 | 2.2 | 9.1 |
| 2026 | 5.6 | 2.2 | 9.1 |
| 2027 | 5.6 | 2.2 | 9.0 |
| 2028 | 5.6 | 2.2 | 9.0 |
| 2029 | 5.6 | 2.2 | 9.0 |
Blue Grosbeak Survey Routes in Mississippi
| Olive Branch | 22 | 2001 | 1966 |
| Amite River | 19 | 2013 | 2008 |
| Beverly | 18 | 2011 | 1966 |
| Diberville | 18 | 1987 | 1979 |
| Mt Carmel | 17 | 2016 | 1974 |
| Corinth | 15 | 2024 | 1972 |
| Lake Como | 14 | 2010 | 1983 |
| Macon | 13 | 2024 | 1969 |
| Neely | 12 | 2012 | 1974 |
| Aberdeen | 11 | 2024 | 1970 |
| Monticello | 11 | 2017 | 2016 |
| Tippo | 11 | 2024 | 1996 |
| Lake Mary | 9 | 1990 | 1974 |
| Dundee | 8 | 2022 | 1970 |
| Lucien | 8 | 2008 | 1967 |
| Walthall | 8 | 1987 | 1970 |
| Cybur | 8 | 2019 | 1966 |
| Water Valley | 8 | 2018 | 2015 |
| Moon | 8 | 2021 | 1996 |
| Star | 8 | 2024 | 2016 |
| Waynesboro | 7 | 2010 | 1968 |
| Warren Vick | 7 | 2022 | 2018 |
| Fayette | 6 | 2004 | 1966 |
| Cockrum | 6 | 2024 | 1966 |
| Forest | 6 | 2024 | 1972 |
Blue Grosbeak Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradodelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandminnesotamissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvirginiawest-virginiawyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.