BirdAnalyst
Species · BCR 29 · BBS 2025 Release · 1966–2024

Killdeer In Piedmont

All regionsPiedmontShorebirds

Killdeer in Piedmont has increased: up 32% on the route-weighted index since 1968.

+32%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 →
164Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

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

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

Killdeer In Piedmont Population Forecast

If the recent trend holds, Killdeer in Piedmont is projected to stay roughly flat through 2029, near 1.8 (95% range 0.89–2.8). A 5-year backtest shows a typical error of ±13%, with 100% of held-out values landing inside the 95% band.

-7%Change by 2029TrendPercent 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 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.89–2.895% 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 →
±13%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 Piedmont is projected to stay roughly flat through 2029, near 1.8 (95% range 0.89–2.8). A 5-year backtest shows a typical error of ±13%, with 100% of held-out values landing inside the 95% band.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 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 →
20251.80.902.8
20261.80.892.8
20271.80.892.8
20281.80.892.8
20291.80.892.8

Routes In Piedmont

Routes recording Killdeer in Piedmont.
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 →
LeolaPENNSYLVANIA162024
AkronPENNSYLVANIA111997
GladysVIRGINIA92024
MooresvilleNORTH-CAROLINA81996
SiloamNORTH-CAROLINA82024
PendletonSOUTH-CAROLINA81976
MetasvilleGEORGIA72000
Rock BranchGEORGIA72024
EmmitsburgMARYLAND72024
SheffieldNORTH-CAROLINA72024
EphrataPENNSYLVANIA71988
AspersPENNSYLVANIA71989
MannboroVIRGINIA72024
Sharon 2GEORGIA62024
Mt GretnaPENNSYLVANIA62000
BendersvillePENNSYLVANIA62023
BowdonGEORGIA52024
WhitesburgGEORGIA52024
BiscoeNORTH-CAROLINA52010
MonticelloNORTH-CAROLINA52023
GuptonNORTH-CAROLINA52024
Mount JoyPENNSYLVANIA52024
Mt Gretna 2PENNSYLVANIA52022
Salem XrdSOUTH-CAROLINA52019
ProsperitySOUTH-CAROLINA52022

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