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

Fish Crow In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastGeneralists

Fish Crow in New England / Mid-Atlantic Coast has surged: up 169% on the route-weighted index since 1968.

+169%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 →
143Routes 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 →

Fish Crow has surged in New England / Mid-Atlantic Coast: up 169% on the route-weighted index since 1968.

Fish Crow In New England / Mid-Atlantic Coast Population Forecast

If the recent trend holds, Fish Crow in New England / Mid-Atlantic Coast is projected to rise about 37% by 2030 — from 3.9 in 2025 to a central estimate of 5.4 (95% range 3.7–7.0). A 5-year backtest shows a typical error of ±16.3%, with 100% of held-out values landing inside the 95% band.

+37%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 →
5.4Projected 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 →
3.7–7.095% 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 →
±16.3%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, Fish Crow in New England / Mid-Atlantic Coast is projected to rise about 37% by 2030 — from 3.9 in 2025 to a central estimate of 5.4 (95% range 3.7–7.0). A 5-year backtest shows a typical error of ±16.3%, 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 →
20265.23.56.8
20275.23.66.9
20285.33.66.9
20295.33.77.0
20305.43.77.0

Routes In New England / Mid-Atlantic Coast

Routes recording Fish Crow 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 →
Bennett Mill 2NEW-JERSEY352025
HarringtonDELAWARE252025
Mt PleasantDELAWARE242019
Bethany BchDELAWARE241990
VillasNEW-JERSEY241980
CranburyNEW-JERSEY172025
Piney NeckMARYLAND162025
CokesburyMARYLAND162025
Ocean CityNEW-JERSEY162025
MiltonDELAWARE142016
FredericaDELAWARE132025
Milton 2DELAWARE132025
SinepuxentMARYLAND131978
WalnutMARYLAND132024
KeyportNEW-JERSEY132022
DoverDELAWARE121987
Forest GroveMARYLAND122023
Colonial PkyVIRGINIA121998
HolleyvilleDELAWARE112004
Bennett MillNEW-JERSEY112000
QuinbyVIRGINIA112025
St. George'S IslandMARYLAND102017
AlbionNEW-JERSEY102022
HarmonyMARYLAND92017
NottinghamMARYLAND92025

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