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

Rock Pigeon Population Trend in Alabama

All statesGeneralists

Rock Pigeon in Alabama has fallen sharply: down 62% on the route-weighted index since 1968.

-62%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 →
87Routes 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 Rock Pigeon Trends in AlabamaNotable 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 →

Rock Pigeon has fallen sharply in Alabama: down 62% on the route-weighted index since 1968.

Rock Pigeon Population Forecast in Alabama

If the recent trend holds, Rock Pigeon in Alabama is projected to fall about 58% by 2029 — from 0.90 in 2024 to a central estimate of 0.38 (95% range 0.00–5.4). A 5-year backtest shows a typical error of ±54.3%, with 100% of held-out values landing inside the 95% band.

-58%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 →
0.38Projected 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 →
0.00–5.495% 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 →
±54.3%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, Rock Pigeon in Alabama is projected to fall about 58% by 2029 — from 0.90 in 2024 to a central estimate of 0.38 (95% range 0.00–5.4). A 5-year backtest shows a typical error of ±54.3%, 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 →
20250.750.005.7
20260.660.005.6
20270.560.005.5
20280.470.005.5
20290.380.005.4

Rock Pigeon Survey Routes in Alabama

Routes recording Rock Pigeon in Alabama.
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 →
Birmingham23119951969
Alabama Pt10720031981
Grangeburg4420181966
Wheeler Dam2820232001
Greensport2220241967
Mt. Gilead2020231993
Mt Olive1520241968
Wedgeworth1420041979
Liberty1120071977
Calebee920241993
Trade720051971
Alabama Pt 2720162004
Oneonta720221996
Valhermoso Spgs620051968
Dawson619981966
Dearmanville619831968
Odenville620111996
Elberta620181987
Summitt519771966
Millerville519831970
Wallsboro519701970
Foley519771969
Mentone520121994
Choccolocco520131997
Kymulga520172006

Rock Pigeon Population Trend in Other States

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

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