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

Killdeer Population Trend in Pennsylvania

All statesShorebirds

Killdeer in Pennsylvania has held roughly steady: down 3% on the route-weighted index since 1968.

-3%Since 1968
129Routes In State
58Years

Notable Killdeer Trends in Pennsylvania

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

Killdeer Population Forecast in Pennsylvania

If the recent trend holds, Killdeer in Pennsylvania is projected to stay roughly flat through 2029, near 2.9 (95% range 1.3–4.5). A 5-year backtest shows a typical error of ±37%, with 100% of held-out values landing inside the 95% band.

+8%Change by 2029
2.9Projected 2029 index
1.3–4.595% range
±37%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
20253.01.44.6
20263.01.44.6
20273.01.44.6
20283.01.44.6
20292.91.34.5

Killdeer Survey Routes in Pennsylvania

Routes recording Killdeer in Pennsylvania.
Leola1620241998
Williamsburg1520241988
Doubling Gap1519771966
Espyville1320241967
Greentown1320241969
Millville1120241969
Mifflintown1120241966
Akron1119971989
Akeley1019791966
N Washington920241967
Sugar Grove920241980
Harmonsburg820231966
N Pine Grove820241969
Scheafferstn820011967
Rector719771966
Ryde720051968
Ephrata719881969
Brunnerville720091969
Aspers719891968
Doylesburg720232009
Clover620241981
Sigel620241981
Portersville619881973
Wakena620231969
Shelocta620241969

Killdeer Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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