BirdAnalyst
Species · Washington · BBS 2025 Release · 1966–2024

Killdeer Population Trend in Washington

All statesShorebirds

Killdeer in Washington has declined: down 39% on the route-weighted index since 1970.

-39%Since 1970
93Routes In State
56Years

Notable Killdeer Trends in Washington

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

Killdeer Population Forecast in Washington

If the recent trend holds, Killdeer in Washington is projected to rise about 12% by 2029 — from 2.3 in 2024 to a central estimate of 2.6 (95% range 0.00–5.4). A 5-year backtest shows a typical error of ±11.9%, with 100% of held-out values landing inside the 95% band.

+12%Change by 2029
2.6Projected 2029 index
0.00–5.495% range
±11.9%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
20252.90.025.7
20262.80.005.6
20272.70.005.6
20282.70.005.5
20292.60.005.4

Killdeer Survey Routes in Washington

Routes recording Killdeer in Washington.
Wapato3820221971
Scootney Reservoir3520242009
Potholes2620231996
Mesa2220081994
Quincy2120241981
Harwood2019971993
Columbia Nwr1420221992
South Elma1320241975
Warm Beach920171968
Moses Lake920221973
Twisp820241969
Reardan820241968
Othello819911981
Chewelah720211977
Pomona619991998
L Pend O Nwr620231996
Harrington520121972
Everett520241975
Keystone520241994
Raymond520211994
Bay View520171993
Selah520232000
Mercer420221968
Connell420131968
Asotin420241971

Killdeer Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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