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Species · Alabama · BBS 2025 Release · 1966–2024

White-breasted Nuthatch Population Trend in Alabama

All statesForest birds

White-breasted Nuthatch in Alabama has surged: up 642% on the route-weighted index since 1968.

+642%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 →
68Routes 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 White-breasted Nuthatch 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 increasecomputed 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 →

White-breasted Nuthatch has surged in Alabama: up 642% on the route-weighted index since 1968.

White-breasted Nuthatch Population Forecast in Alabama

If the recent trend holds, White-breasted Nuthatch in Alabama is projected to stay roughly flat through 2029, near 1.2 (95% range 0.86–1.4). A 5-year backtest shows a typical error of ±11.8%, with 80% of held-out values landing inside the 95% band.

-9%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 →
1.2Projected 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 →
0.86–1.495% 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 →
±11.8%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, White-breasted Nuthatch in Alabama is projected to stay roughly flat through 2029, near 1.2 (95% range 0.86–1.4). A 5-year backtest shows a typical error of ±11.8%, with 80% 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 →
20251.10.781.4
20261.10.801.4
20271.10.821.4
20281.10.841.4
20291.20.861.4

White-breasted Nuthatch Survey Routes in Alabama

Routes recording White-breasted Nuthatch 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 →
Woodville820241994
Jasper619971997
Borden Springs 2520242001
Nixburg 2520242000
Guntersville520241980
Mentone520231994
Elkmont520241990
Pine Grove420241968
Mt Olive420241967
Cottonton420242011
Grove Hill419911990
Youngtown420241993
Millerville320241969
Smyer Lake320241967
Maytown320231966
Talladega320242000
Triana320122000
Swaim220242009
Billingsley220221976
Millry219721972
Epes220242024
Madrid219951995
Stevenson220241996
Oneonta220221997
Helicon220232023

White-breasted Nuthatch Population Trend in Other States

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

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