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Species · Georgia · BBS 2026 Release · 1966–2025

Killdeer Population Trend in Georgia

All statesShorebirds

Killdeer in Georgia has surged: up 514% on the route-weighted index since 1968.

+514%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
103Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Killdeer Trends in GeorgiaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Killdeer has surged in Georgia: up 514% on the route-weighted index since 1968.

Killdeer Population Forecast in Georgia

If the recent trend holds, Killdeer in Georgia is projected to fall about 22% by 2030 — from 2.3 in 2025 to a central estimate of 1.8 (95% range 1.1–2.4). A 5-year backtest shows a typical error of ±31%, with 20% of held-out values landing inside the 95% band.

-22%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
1.8Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.1–2.495% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±31%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Killdeer in Georgia is projected to fall about 22% by 2030 — from 2.3 in 2025 to a central estimate of 1.8 (95% range 1.1–2.4). A 5-year backtest shows a typical error of ±31%, with 20% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20261.71.02.4
20271.71.12.4
20281.71.12.4
20291.81.12.4
20301.81.12.4

Killdeer Survey Routes in Georgia

Routes recording Killdeer in Georgia.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Weber1220252015
Rutledge1120251975
Oakman1020241966
Shiloh1020252018
Wadley920241977
Bethany920252013
Ware Co820251986
Owensboro820252010
Finleyson720251982
Metasville720001997
Fitzgerald620251967
Coffee Co620251988
Rock Branch620252005
Sharon 2620242024
Newton520231975
Vidalia520251995
Colonels Island520232007
Philema520252010
Candler520252009
Wrightsville420251979
Hollonville 2420222021
Union420242011
Millen420252006
Davis Crossroads420252011
Baxley320191967

Killdeer Population Trend in Other States

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

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.