Species · BCR 14 · BBS 2025 Release · 1966–2024
Common Loon In Atlantic Northern Forest
Common Loon in Atlantic Northern Forest has surged: up 211% on the route-weighted index since 1968.
+211%Since 1968
107Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Common Loon has surged in Atlantic Northern Forest: up 211% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Common Loon in Atlantic Northern Forest is projected to rise about 25% by 2029 — from 0.60 in 2024 to a central estimate of 0.74 (95% range 0.51–0.98). A 5-year backtest shows a typical error of ±25.5%, with 100% of held-out values landing inside the 95% band.
+25%Change by 2029
0.74Projected 2029 index
0.51–0.9895% range
±25.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.71 | 0.48 | 0.94 |
| 2026 | 0.72 | 0.49 | 0.95 |
| 2027 | 0.73 | 0.49 | 0.96 |
| 2028 | 0.74 | 0.50 | 0.97 |
| 2029 | 0.74 | 0.51 | 0.98 |
Routes In Atlantic Northern Forest
| Lake Moxie | MAINE | 7 | 2022 |
| Seboomook Lk | MAINE | 6 | 2014 |
| St David | MAINE | 6 | 2004 |
| Newcastle | MAINE | 4 | 2008 |
| Eastbrook | MAINE | 4 | 2024 |
| Carrying Pl | MAINE | 4 | 2024 |
| Sabattis | NEW-YORK | 4 | 1983 |
| Wilson Mills | MAINE | 3 | 2024 |
| Greenwood | MAINE | 3 | 2024 |
| Northfield | MAINE | 3 | 1981 |
| Weeks Brook | MAINE | 3 | 2016 |
| Speculator | NEW-YORK | 3 | 2017 |
| Inlet | NEW-YORK | 3 | 2017 |
| Wanakena | NEW-YORK | 3 | 2024 |
| Gabriels | NEW-YORK | 3 | 2024 |
| Reeds | MAINE | 2 | 2014 |
| Harmony | MAINE | 2 | 2024 |
| Brooks | MAINE | 2 | 2017 |
| Castine | MAINE | 2 | 2005 |
| Cooper | MAINE | 2 | 2019 |
| Greenville | MAINE | 2 | 2022 |
| Grnd Lk Strm | MAINE | 2 | 2000 |
| Clayton Lake | MAINE | 2 | 2001 |
| Ludlow | MAINE | 2 | 1996 |
| Horse Mtn | MAINE | 2 | 2011 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.