BirdAnalyst
Species · Alabama · BBS 2026 Release · 1966–2025

American Robin Population Trend in Alabama

All statesForest birds

American Robin in Alabama has edged down: down 21% on the route-weighted index since 1968.

-21%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 →
85Routes 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 American Robin 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 →

No notable trend signals for American Robin in Alabama. See the full index history below.

American Robin Population Forecast in Alabama

If the recent trend holds, American Robin in Alabama is projected to fall about 26% by 2030 — from 5.5 in 2025 to a central estimate of 4.1 (95% range 0.56–7.6). A 5-year backtest shows a typical error of ±11.5%, with 100% of held-out values landing inside the 95% band.

-26%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 →
4.1Projected 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 →
0.56–7.695% 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 →
±11.5%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, American Robin in Alabama is projected to fall about 26% by 2030 — from 5.5 in 2025 to a central estimate of 4.1 (95% range 0.56–7.6). A 5-year backtest shows a typical error of ±11.5%, with 100% 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 →
20264.40.957.9
20274.30.857.8
20284.30.757.7
20294.20.657.7
20304.10.567.6

American Robin Survey Routes in Alabama

Routes recording American Robin 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 →
Birmingham7619951969
Hillsboro6019961966
St Florian4520251967
Dawson4219981966
Lakeview3020251999
Dearmanville2919831966
Swaim2420251966
Billingsley2020251967
Stevenson2020241996
Millerville1920251966
Smyer Lake1820251966
Woodville1820241994
Guntersville1720241980
Childersburg1719981985
Pine Grove1620251966
Talladega1620251996
Summitt1519811966
Elkmont1520251990
Valhermoso Spgs1220101966
Vernon1220211996
Mentone1020231993
Borden Sprng1019981993
Courtland1020231997
Valhermoso Spg 21020142014
Carter Grove1020232002

American Robin Population Trend in Other States

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

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