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

Band-tailed Pigeon Population Trend in Oregon

All statesGeneralists

Band-tailed Pigeon in Oregon has declined: down 26% on the route-weighted index since 1970.

-26%Since 1970TrendPercent 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 →
54Routes 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 →
56YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Band-tailed Pigeon Trends in OregonNotable 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 Band-tailed Pigeon in Oregon. See the full index history below.

Band-tailed Pigeon Population Forecast in Oregon

If the recent trend holds, Band-tailed Pigeon in Oregon is projected to stay roughly flat through 2029, near 2.4 (95% range 0.35–4.4). A 5-year backtest shows a typical error of ±22%, with 100% of held-out values landing inside the 95% band.

-3%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 →
2.4Projected 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 →
0.35–4.495% 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 →
±22%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, Band-tailed Pigeon in Oregon is projected to stay roughly flat through 2029, near 2.4 (95% range 0.35–4.4). A 5-year backtest shows a typical error of ±22%, with 100% of held-out values landing inside the 95% band.19682029
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 →
20252.30.294.4
20262.30.314.4
20272.40.324.4
20282.40.334.4
20292.40.354.4

Band-tailed Pigeon Survey Routes in Oregon

Routes recording Band-tailed Pigeon in Oregon.
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 →
Fisher5420101997
Adair3720241974
Harlan2220092006
Klickitat Mt2119961993
Waldport2020011992
Winberry1920231968
Nicolai Mtn.1720241993
Canby1720241999
Coquille1620241994
Riley Peak1520161994
Lorane1520241993
Hazel Camp1420221975
Harlan 21320242011
Glasgow1320241986
Shellrock1220172001
Salado1220241968
Umpqua1220241968
Scio920241971
Santiam820241995
Wedderburn820241970
Fisher 2820242017
Secret Val820221989
Sandy River720061993
Elkton720241972
Days Creek620241970

Band-tailed Pigeon Population Trend in Other States

alaskaarizonacaliforniacoloradonevadanew-mexicotexasutahwashington

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