Species · BCR 14 · BBS 2025 Release · 1966–2024
Ruby-throated Hummingbird In Atlantic Northern Forest
Ruby-throated Hummingbird in Atlantic Northern Forest has increased: up 34% on the route-weighted index since 1968.
+34%Since 1968
148Routes In Region
58Years
Notable Signals
No notable trend signals for Ruby-throated Hummingbird in Atlantic Northern Forest. See the full index history below.
Forecast
If the recent trend holds, Ruby-throated Hummingbird in Atlantic Northern Forest is projected to rise about 26% by 2029 — from 0.50 in 2024 to a central estimate of 0.63 (95% range 0.42–0.84). A 5-year backtest shows a typical error of ±14.6%, with 80% of held-out values landing inside the 95% band.
+26%Change by 2029
0.63Projected 2029 index
0.42–0.8495% range
±14.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.62 | 0.41 | 0.83 |
| 2026 | 0.62 | 0.41 | 0.83 |
| 2027 | 0.63 | 0.42 | 0.83 |
| 2028 | 0.63 | 0.42 | 0.84 |
| 2029 | 0.63 | 0.42 | 0.84 |
Routes In Atlantic Northern Forest
| East Calais | VERMONT | 4 | 2024 |
| Reeds | MAINE | 3 | 2023 |
| Ludlow | MAINE | 3 | 1996 |
| Big Twenty | MAINE | 3 | 2007 |
| Andover | MAINE | 3 | 2021 |
| Cummington | MASSACHUSETTS | 3 | 2014 |
| Chesterfield | MASSACHUSETTS | 3 | 2019 |
| Wilmot | NEW-HAMPSHIRE | 3 | 2024 |
| Mckeever | NEW-YORK | 3 | 2021 |
| Dannemora | NEW-YORK | 3 | 2006 |
| Landgrove | VERMONT | 3 | 2024 |
| Bethel | MAINE | 2 | 2019 |
| East Troy | MAINE | 2 | 2019 |
| Freedom | MAINE | 2 | 2018 |
| Harmony | MAINE | 2 | 2024 |
| Brooks | MAINE | 2 | 2014 |
| Eastbrook | MAINE | 2 | 2022 |
| Castine | MAINE | 2 | 1992 |
| Medway | MAINE | 2 | 2018 |
| Pillsbury Pd | MAINE | 2 | 1968 |
| St David | MAINE | 2 | 2005 |
| Weeks Brook | MAINE | 2 | 2003 |
| Yankeetuladi | MAINE | 2 | 2009 |
| Northfield 2 | MAINE | 2 | 2016 |
| Topsfield | MAINE | 2 | 1992 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.