Species · Alaska · BBS 2025 Release · 1966–2024
Black-legged Kittiwake Population Trend in Alaska
Black-legged Kittiwake in Alaska has edged up: up 21% on the route-weighted index since 1983.
+21%Since 1983
15Routes In State
40Years
Notable Black-legged Kittiwake Trends in Alaska
No notable trend signals for Black-legged Kittiwake in Alaska. See the full index history below.
Black-legged Kittiwake Population Forecast in Alaska
If the recent trend holds, Black-legged Kittiwake in Alaska is projected to rise about 29% by 2029 — from 4.2 in 2024 to a central estimate of 5.4 (95% range 0.00–16). A 5-year backtest shows a typical error of ±526.1%, with 100% of held-out values landing inside the 95% band.
+29%Change by 2029
5.4Projected 2029 index
0.00–1695% range
±526.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 5.0 | 0.00 | 16 |
| 2026 | 5.1 | 0.00 | 16 |
| 2027 | 5.2 | 0.00 | 16 |
| 2028 | 5.3 | 0.00 | 16 |
| 2029 | 5.4 | 0.00 | 16 |
Black-legged Kittiwake Survey Routes in Alaska
| Kotzebue | 280 | 2024 | 2002 |
| Homer | 46 | 1982 | 1978 |
| Chiniak | 9 | 2022 | 1987 |
| Adak | 9 | 1992 | 1983 |
| Kachemak | 4 | 2005 | 1996 |
| Kotzebue (Short) | 4 | 1994 | 1986 |
| Mitkof Isle | 3 | 2003 | 2003 |
| Kodiak 2 | 2 | 2023 | 1986 |
| Cordova | 2 | 2022 | 2008 |
| Cape Nome | 2 | 2023 | 1997 |
| Yakutat | 2 | 2024 | 1993 |
| Seward | 1 | 1984 | 1983 |
| Juneau | 1 | 1996 | 1996 |
| Haines | 1 | 1996 | 1993 |
| Cold Bay | 1 | 1997 | 1994 |
Black-legged Kittiwake Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.