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

Killdeer In Coastal California

All regionsCoastal CaliforniaShorebirds

Killdeer in Coastal California has declined: down 29% on the route-weighted index since 1970.

-29%Since 1970
107Routes In Region
56Years

Notable Signals

No notable trend signals for Killdeer in Coastal California. See the full index history below.

Forecast

If the recent trend holds, Killdeer in Coastal California is projected to stay roughly flat through 2029, near 3.4 (95% range 0.41–6.4). A 5-year backtest shows a typical error of ±23.4%, with 100% of held-out values landing inside the 95% band.

+1%Change by 2029
3.4Projected 2029 index
0.41–6.495% range
±23.4%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
20253.70.696.7
20263.60.626.6
20273.50.556.5
20283.50.486.4
20293.40.416.4

Routes In Coastal California

Routes recording Killdeer in Coastal California.
GlennCALIFORNIA602023
AtwaterCALIFORNIA572012
AthloneCALIFORNIA252007
ShafterCALIFORNIA221989
Buena VistaCALIFORNIA222019
CordovaCALIFORNIA211981
Tracy 2CALIFORNIA182024
OrlandCALIFORNIA172022
ZamoraCALIFORNIA172024
PowayCALIFORNIA151980
CollegevilleCALIFORNIA142004
TranquillityCALIFORNIA112024
HughsonCALIFORNIA102024
CaruthersCALIFORNIA101987
ColmaCALIFORNIA91972
AuburnCALIFORNIA91980
CopperopolisCALIFORNIA92024
GreenfieldCALIFORNIA92024
TiptonCALIFORNIA91997
Staten Is.CALIFORNIA92024
PenningtonCALIFORNIA82024
GravesboroCALIFORNIA81995
BakersfieldCALIFORNIA82023
SisquocCALIFORNIA82013
SangerCALIFORNIA82024

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