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Species · Alabama · BBS 2025 Release · 1966–2024

American Robin Population Trend in Alabama

All statesForest birds

American Robin in Alabama has edged down: down 22% on the route-weighted index since 1968.

-22%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 →
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 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 24% by 2029 — from 5.4 in 2024 to a central estimate of 4.1 (95% range 0.56–7.6). A 5-year backtest shows a typical error of ±18.4%, with 100% of held-out values landing inside the 95% band.

-24%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 →
4.1Projected 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 →
0.56–7.695% 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 →
±18.4%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 24% by 2029 — from 5.4 in 2024 to a central estimate of 4.1 (95% range 0.56–7.6). A 5-year backtest shows a typical error of ±18.4%, 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 →
20254.50.968.0
20264.40.867.9
20274.30.767.8
20284.20.667.7
20294.10.567.6

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
Dawson4219981966
St Florian4120241967
Lakeview3620241999
Dearmanville2919831966
Elkmont2620241990
Stevenson2020241996
Woodville1820241994
Swaim1720241966
Smyer Lake1720241966
Guntersville1720241980
Childersburg1719981985
Summitt1519811966
Valhermoso Spgs1220101966
Mt Olive1220241966
Blocton1220241969
Vernon1220211996
Oneonta1220231996
Pine Grove1120241966
Talladega1120241996
Millerville1020241966
Mentone1020231993
Borden Sprng1019981993
Courtland1020231997

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 2026-05-22.