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

Bald Eagle Population Trend in Missouri

All statesBirds of prey

Bald Eagle in Missouri has surged: up 657% on the route-weighted index since 2008.

+657%Since 2008TrendPercent 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 →
46Routes 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 →
19YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Bald Eagle Trends in MissouriNotable 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 Bald Eagle in Missouri. See the full index history below.

Bald Eagle Population Forecast in Missouri

If the recent trend holds, Bald Eagle in Missouri is projected to stay roughly flat through 2030, near 0.26 (95% range 0.19–0.33). A 5-year backtest shows a typical error of ±16%, with 100% of held-out values landing inside the 95% band.

+9%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 →
0.26Projected 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 →
0.19–0.3395% 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 →
±16%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, Bald Eagle in Missouri is projected to stay roughly flat through 2030, near 0.26 (95% range 0.19–0.33). A 5-year backtest shows a typical error of ±16%, with 100% of held-out values landing inside the 95% band.20062030
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 →
20260.210.140.28
20270.230.150.29
20280.240.170.31
20290.250.180.32
20300.260.190.33

Bald Eagle Survey Routes in Missouri

Routes recording Bald Eagle in Missouri.
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 →
Akers320212021
Osage Beach320252022
Centertown220252023
Rensselaer220242015
Sticklervill220172017
Deventer120212007
Pulaski120142014
Norborne120222015
Sweden120242024
Kahoka2120172017
Pineville120192017
Cp Girardeau120252008
Cascade120252014
Watson120232023
Rueter 2120232023
Lucerne120252025
Handley120212009
Graydon120242010
Filley120252006
Luray120242015
Woodlandville120252018
Hayden120252017
Danville120232023
Syracuse120232023
Auburn120252025

Bald Eagle Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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