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
1.43.495% range
±115.6%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20252.31.33.3
20262.41.43.4
20272.41.43.4
20282.41.43.4
20292.41.43.4

Golden-crowned Kinglet Survey Routes in California

Routes recording Golden-crowned Kinglet in California.
Offield Mtn3420141980
Lumberyard3320241976
Riverton3020231975
Chester2620171997
Redwood N.P. 22420132012
Pilot Creek2219961994
Butte Meadow2120141972
Holmes1520241968
Greenhorn Mt1320081971
Genesee1220191973
Crescent Cty1120241972
Last Chance1120191994
Tahoe Nf1019941987
Meadow Valley920241999
Lassen Park719881978
Alderpoint720121980
Westville620241971
Martins Fy620091976
Silver City620131978
Gazelle620042001
Little Truckee620191997
Horse Creek519901990
Point Reyes520231980
Laytonville520241974
Downieville520241975

Golden-crowned Kinglet Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.