BirdAnalyst
Species · BCR 32 · BBS 2025 Release · 1966–2024

Black-chinned Hummingbird In Coastal California

All regionsCoastal CaliforniaGeneralists

Black-chinned Hummingbird in Coastal California has declined: down 44% on the route-weighted index since 1972.

-44%Since 1972
64Routes In Region
54Years

Notable Signals

No notable trend signals for Black-chinned Hummingbird in Coastal California. See the full index history below.

Forecast

If the recent trend holds, Black-chinned Hummingbird in Coastal California is projected to rise about 18% by 2029 — from 0.23 in 2024 to a central estimate of 0.28 (95% range 0.00–0.59). A 5-year backtest shows a typical error of ±349.8%, with 60% of held-out values landing inside the 95% band.

+18%Change by 2029
0.28Projected 2029 index
0.00–0.5995% range
±349.8%Backtest error
19702029
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
20250.280.000.59
20260.280.000.59
20270.280.000.59
20280.280.000.59
20290.280.000.59

Routes In Coastal California

Routes recording Black-chinned Hummingbird in Coastal California.
PenningtonCALIFORNIA82015
Elsinore MtnCALIFORNIA72024
Lake CachumaCALIFORNIA42014
OrovilleCALIFORNIA42024
Carmel ValCALIFORNIA32013
Cleveland NfCALIFORNIA31999
GravesboroCALIFORNIA21986
Foster ParkCALIFORNIA21993
Oak GroveCALIFORNIA21995
San YsidroCALIFORNIA21990
OrlandCALIFORNIA22022
Sawmill MtnCALIFORNIA22014
TujungaCALIFORNIA22015
FallsvaleCALIFORNIA21981
Lockwood ValCALIFORNIA21996
Mt LagunaCALIFORNIA21987
AnzaCALIFORNIA21995
SangerCALIFORNIA22014
WestleyCALIFORNIA22023
Cal Hot SpgsCALIFORNIA22013
Red BluffCALIFORNIA12019
RumseyCALIFORNIA11978
CollegevilleCALIFORNIA11985
HughsonCALIFORNIA12012
Tres PinosCALIFORNIA11983

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