BirdAnalyst
Species · New York · BBS 2025 Release · 1966–2024

Bald Eagle Population Trend in New York

All statesGeneralists

Bald Eagle in New York has surged: up 712% on the route-weighted index since 2001.

+712%Since 2001TrendPercent 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 →
39Routes 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 →
23YearsYears 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 New YorkNotable 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 →

Bald Eagle has surged in New York: up 712% on the route-weighted index since 2001.

Bald Eagle Population Forecast in New York

If the recent trend holds, Bald Eagle in New York is projected to rise about 12% by 2029 — from 0.10 in 2024 to a central estimate of 0.11 (95% range 0.06–0.16). A 5-year backtest shows a typical error of ±41.6%, with 20% of held-out values landing inside the 95% band.

+12%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 →
0.11Projected 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 →
0.06–0.1695% 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 →
±41.6%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 New York is projected to rise about 12% by 2029 — from 0.10 in 2024 to a central estimate of 0.11 (95% range 0.06–0.16). A 5-year backtest shows a typical error of ±41.6%, with 20% of held-out values landing inside the 95% band.19932029
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 →
20250.090.040.15
20260.100.040.15
20270.100.050.15
20280.100.050.16
20290.110.060.16

Bald Eagle Survey Routes in New York

Routes recording Bald Eagle in New York.
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 →
Cobleskill320232023
Meridale220222018
Platte Cove220122012
Phillips Cr220152015
Downsville220191994
Oxford 2120052005
Highland120212007
Duanesburg120142014
Laurens120162016
Corbettsvile120192011
Oneonta120242013
Oriskany Fls120242024
Lisle120222022
Horseshoe L.120172017
Orleans120232023
Rushville120212021
Branchport120142014
Canadice L120232008
Mendon120242024
Gainesville120222022
Castile120242024
Cherry Hill120192019
Nashville120182018
Byron120222016
Churchville120222022

Bald Eagle Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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