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

Song Sparrow Population Trend in Alabama

All statesGeneralists

Song Sparrow in Alabama has surged: up 21× on the route-weighted index since 1971.

21×Since 1971
33Routes In State
51Years

Notable Song Sparrow Trends in Alabama

long arc increasecomputed index

Song Sparrow has surged in Alabama: up 21× on the route-weighted index since 1971.

Song Sparrow Population Forecast in Alabama

If the recent trend holds, Song Sparrow in Alabama is projected to fall about 41% by 2029 — from 0.60 in 2024 to a central estimate of 0.35 (95% range 0.04–0.66). A 5-year backtest shows a typical error of ±60.8%, with 20% of held-out values landing inside the 95% band.

-41%Change by 2029
0.35Projected 2029 index
0.04–0.6695% range
±60.8%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.330.020.65
20260.340.020.65
20270.340.030.65
20280.340.030.66
20290.350.040.66

Song Sparrow Survey Routes in Alabama

Routes recording Song Sparrow in Alabama.
Carter Grove1420232011
Guntersville820241980
Talladega520242017
St Florian420241987
Pine Grove420241975
Woodville420241994
Valhermoso Spg 2420142014
Swaim320241981
Greensport320241996
Wheeler Dam319941994
Riverside320131999
Hillsboro219841984
Mentone220231996
Brooksville219911984
Trade119671967
Summitt119701970
Valhermoso Spgs120101981
Dawson119971991
Millerville119971997
Sunny Eve120132012
Mt Olive119981998
Maytown120002000
Lanett119841982
Kymulga120052003
Borden Springs 2120242001

Song Sparrow Population Trend in Other States

alaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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