Species · California · BBS 2025 Release · 1966–2024
Golden-crowned Kinglet Population Trend in California
Golden-crowned Kinglet in California has surged: up 592% on the route-weighted index since 1970.
+592%Since 1970
95Routes In State
56Years
Notable Golden-crowned Kinglet Trends in California
long arc increasecomputed index
Golden-crowned Kinglet has surged in California: up 592% on the route-weighted index since 1970.
Golden-crowned Kinglet Population Forecast in California
If the recent trend holds, Golden-crowned Kinglet in California is projected to rise about 109% by 2029 — from 1.2 in 2024 to a central estimate of 2.4 (95% range 1.4–3.4). A 5-year backtest shows a typical error of ±115.6%, with 0% of held-out values landing inside the 95% band.
+109%Change by 2029
2.4Projected 2029 index
1.4–3.495% range
±115.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.3 | 1.3 | 3.3 |
| 2026 | 2.4 | 1.4 | 3.4 |
| 2027 | 2.4 | 1.4 | 3.4 |
| 2028 | 2.4 | 1.4 | 3.4 |
| 2029 | 2.4 | 1.4 | 3.4 |
Golden-crowned Kinglet Survey Routes in California
| Offield Mtn | 34 | 2014 | 1980 |
| Lumberyard | 33 | 2024 | 1976 |
| Riverton | 30 | 2023 | 1975 |
| Chester | 26 | 2017 | 1997 |
| Redwood N.P. 2 | 24 | 2013 | 2012 |
| Pilot Creek | 22 | 1996 | 1994 |
| Butte Meadow | 21 | 2014 | 1972 |
| Holmes | 15 | 2024 | 1968 |
| Greenhorn Mt | 13 | 2008 | 1971 |
| Genesee | 12 | 2019 | 1973 |
| Crescent Cty | 11 | 2024 | 1972 |
| Last Chance | 11 | 2019 | 1994 |
| Tahoe Nf | 10 | 1994 | 1987 |
| Meadow Valley | 9 | 2024 | 1999 |
| Lassen Park | 7 | 1988 | 1978 |
| Alderpoint | 7 | 2012 | 1980 |
| Westville | 6 | 2024 | 1971 |
| Martins Fy | 6 | 2009 | 1976 |
| Silver City | 6 | 2013 | 1978 |
| Gazelle | 6 | 2004 | 2001 |
| Little Truckee | 6 | 2019 | 1997 |
| Horse Creek | 5 | 1990 | 1990 |
| Point Reyes | 5 | 2023 | 1980 |
| Laytonville | 5 | 2024 | 1974 |
| Downieville | 5 | 2024 | 1975 |
Golden-crowned Kinglet Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.