Species · Alaska · BBS 2025 Release · 1966–2024
Black-capped Chickadee Population Trend in Alaska
Black-capped Chickadee in Alaska has fallen sharply: down 58% on the route-weighted index since 1973.
-58%Since 1973
87Routes In State
48Years
Notable Black-capped Chickadee Trends in Alaska
long arc declinecomputed index
Black-capped Chickadee has fallen sharply in Alaska: down 58% on the route-weighted index since 1973.
Black-capped Chickadee Population Forecast in Alaska
If the recent trend holds, Black-capped Chickadee in Alaska is projected to fall about 73% by 2029 — from 1.7 in 2024 to a central estimate of 0.45 (95% range 0.00–2.6). A 5-year backtest shows a typical error of ±82%, with 100% of held-out values landing inside the 95% band.
-73%Change by 2029
0.45Projected 2029 index
0.00–2.695% range
±82%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.60 | 0.00 | 2.8 |
| 2026 | 0.57 | 0.00 | 2.7 |
| 2027 | 0.53 | 0.00 | 2.7 |
| 2028 | 0.49 | 0.00 | 2.6 |
| 2029 | 0.45 | 0.00 | 2.6 |
Black-capped Chickadee Survey Routes in Alaska
| Willow | 39 | 2024 | 1993 |
| Hope | 16 | 2024 | 1993 |
| Sheep Mtn | 11 | 2017 | 1983 |
| Cottonwood | 11 | 1990 | 1987 |
| Burma Road | 10 | 2024 | 1996 |
| Swan Lake Rd | 8 | 2023 | 1982 |
| Cohoe | 7 | 2023 | 2013 |
| Kanektok Riv | 7 | 2005 | 2001 |
| Kalifonsky | 6 | 2023 | 1982 |
| Chena Hot Sp | 6 | 1990 | 1985 |
| Wasilla | 6 | 1983 | 1983 |
| Mcgrath | 6 | 2022 | 1997 |
| Craig | 5 | 2022 | 1987 |
| Chiniak | 5 | 2024 | 1985 |
| King Salmon | 5 | 2024 | 1996 |
| Birch Lake | 4 | 2022 | 1993 |
| Thorne Bay 2 | 4 | 2022 | 2016 |
| Kodiak 2 | 4 | 2024 | 1985 |
| Nicholai Sl | 4 | 2024 | 1993 |
| Mccarthy Rd2 | 4 | 2024 | 1993 |
| Whale Pass | 4 | 2022 | 2022 |
| Manley Ht Sp | 4 | 2022 | 1994 |
| Togiak River | 4 | 2003 | 2001 |
| Livengood | 3 | 2019 | 2006 |
| Seward | 3 | 1992 | 1983 |
Black-capped Chickadee Population Trend in Other States
californiacoloradoconnecticutidahoillinoisindianaiowakansasmainemarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.