BirdAnalyst
Species · BCR 30 · BBS 2026 Release · 1966–2025

Osprey In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastBirds of prey

Osprey in New England / Mid-Atlantic Coast has surged: up 940% on the route-weighted index since 1968.

+940%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 →
114Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 →

Osprey has surged in New England / Mid-Atlantic Coast: up 940% on the route-weighted index since 1968.

Osprey In New England / Mid-Atlantic Coast Population Forecast

If the recent trend holds, Osprey in New England / Mid-Atlantic Coast is projected to rise about 30% by 2030 — from 2.0 in 2025 to a central estimate of 2.6 (95% range 1.9–3.3). A 5-year backtest shows a typical error of ±11.3%, with 100% of held-out values landing inside the 95% band.

+30%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 →
2.6Projected 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 →
1.9–3.395% 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 →
±11.3%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, Osprey in New England / Mid-Atlantic Coast is projected to rise about 30% by 2030 — from 2.0 in 2025 to a central estimate of 2.6 (95% range 1.9–3.3). A 5-year backtest shows a typical error of ±11.3%, with 100% of held-out values landing inside the 95% band.19662030
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 →
20262.41.73.1
20272.41.83.1
20282.51.83.2
20292.51.83.2
20302.61.93.3

Routes In New England / Mid-Atlantic Coast

Routes recording Osprey in New England / Mid-Atlantic Coast.
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 →
St. George'S IslandMARYLAND572017
Colonial PkyVIRGINIA241998
HuntingtonNEW-YORK192023
Bethany BchDELAWARE161990
HongaMARYLAND162025
Ocean CityNEW-JERSEY162025
Piney NeckMARYLAND152025
HarringtonDELAWARE122025
MelitotaMARYLAND122025
Six PointsNEW-JERSEY112025
Tall TimbersMARYLAND102014
MadisonMARYLAND82025
WestbrookCONNECTICUT62025
Broomes IslMARYLAND61996
Cape CharlesVIRGINIA62018
ElktonMARYLAND52025
HarmonyMARYLAND52017
Island CreekMARYLAND52025
NewburyportMASSACHUSETTS52021
White StoneVIRGINIA52025
PepperboxDELAWARE42016
MillingtonMARYLAND42025
WalnutMARYLAND42019
WesthamptonNEW-YORK42024
Jones BeachNEW-YORK42013

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