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

Killdeer Population Trend in Maryland

All statesShorebirds

Killdeer in Maryland has edged up: up 15% on the route-weighted index since 1968.

+15%Since 1968
75Routes In State
58Years

Notable Killdeer Trends in Maryland

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

Killdeer Population Forecast in Maryland

If the recent trend holds, Killdeer in Maryland is projected to fall about 10% by 2029 — from 2.7 in 2024 to a central estimate of 2.5 (95% range 0.18–4.7). A 5-year backtest shows a typical error of ±34.4%, with 100% of held-out values landing inside the 95% band.

-10%Change by 2029
2.5Projected 2029 index
0.18–4.795% range
±34.4%Backtest error
19662029
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
20252.50.244.8
20262.50.234.8
20272.50.214.7
20282.50.204.7
20292.50.184.7

Killdeer Survey Routes in Maryland

Routes recording Killdeer in Maryland.
Golden Hill1820241966
Fruitland1519981966
Cokesbury1020241967
Jennings1020241995
Snow Hill919761967
Honga820241966
Emmitsburg720241967
Harmony720171967
Mardela720191967
Newark720241969
Smithsburg520141966
Mt Nebo419911969
Williamsport420241966
Pomfret420221966
Melitota420241966
Easton420211966
Madison420241966
Steyer420241996
Green Ridge420241996
Walnut420241999
Accident420171992
Berlin420241980
Upper Xrds320081967
Jones319941966
Tall Timbers320141970

Killdeer Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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