Species · Massachusetts · BBS 2025 Release · 1966–2024
Evening Grosbeak Population Trend in Massachusetts
Evening Grosbeak in Massachusetts has edged down: down 17% on the route-weighted index since 1991.
-17%Since 1991
5Routes In State
20Years
Notable Evening Grosbeak Trends in Massachusetts
No notable trend signals for Evening Grosbeak in Massachusetts. See the full index history below.
Evening Grosbeak Population Forecast in Massachusetts
If the recent trend holds, Evening Grosbeak in Massachusetts is projected to stay roughly flat through 2024, near 0.12 (95% range 0.00–0.36). A 5-year backtest shows a typical error of ±147%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2024
0.12Projected 2024 index
0.00–0.3695% range
±147%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2020 | 0.13 | 0.00 | 0.37 |
| 2021 | 0.12 | 0.00 | 0.37 |
| 2022 | 0.12 | 0.00 | 0.36 |
| 2023 | 0.12 | 0.00 | 0.36 |
| 2024 | 0.12 | 0.00 | 0.36 |
Evening Grosbeak Survey Routes in Massachusetts
| Ware River | 1 | 2002 | 1995 |
| N Orange | 1 | 2009 | 1990 |
| Cummington | 1 | 2010 | 1990 |
| Chesterfield | 1 | 2019 | 1980 |
| Cheshire | 1 | 1990 | 1990 |
Evening Grosbeak Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.