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Species · Pennsylvania · BBS 2025 Release · 1966–2024

Ring-necked Pheasant Population Trend in Pennsylvania

All statesGrassland birds

Ring-necked Pheasant in Pennsylvania has collapsed: down 99% on the route-weighted index since 1968.

-99%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 →
120Routes 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 →
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 Ring-necked Pheasant Trends in PennsylvaniaNotable 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 declinecomputed 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 →

Ring-necked Pheasant has collapsed in Pennsylvania: down 99% on the route-weighted index since 1968.

Ring-necked Pheasant Population Forecast in Pennsylvania

If the recent trend holds, Ring-necked Pheasant in Pennsylvania is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–2.6). A 5-year backtest shows a typical error of ±6167.8%, with 60% of held-out values landing inside the 95% band.

n/aChange 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 →
0.00Projected 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 →
0.00–2.695% 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 →
±6167.8%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, Ring-necked Pheasant in Pennsylvania is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–2.6). A 5-year backtest shows a typical error of ±6167.8%, with 60% 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 →
20250.000.002.6
20260.000.002.6
20270.000.002.6
20280.000.002.6
20290.000.002.6

Ring-necked Pheasant Survey Routes in Pennsylvania

Routes recording Ring-necked Pheasant in Pennsylvania.
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 →
Labott3619831966
Ephrata2219811969
Big Flat1819811966
Doubling Gap1419771966
Sardis1119741967
Gatchelville919901972
Pottstown819871966
Peters Mt619761972
Sporting Hil619771977
Drehersville619991966
Waller420231974
Stoneybreak420101992
Ferris Crnrs319951966
Rector319771966
Bald Eagle320241971
Aspers319891968
Sigel220151995
N Pine Grove219891973
Ravensburg219781966
Duvall220151974
Kittanning220181973
Williamsburg220191988
Waterstreet220041968
Carsonville220171973
Quakertown219891970

Ring-necked Pheasant Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutdelawareidahoillinoisindianaiowakansasmainemarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-dakotaohiooklahomaoregonrhode-islandsouth-dakotatexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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