BirdAnalyst
Species · BCR 30 · BBS 2025 Release · 1966–2024

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 190% on the route-weighted index since 1968.

+190%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 →
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 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 190% 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 20% by 2029 — from 4.5 in 2024 to a central estimate of 5.4 (95% range 3.8–7.1). A 5-year backtest shows a typical error of ±11.2%, with 100% of held-out values landing inside the 95% band.

+20%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 →
5.4Projected 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 →
3.8–7.195% 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 →
±11.2%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 20% by 2029 — from 4.5 in 2024 to a central estimate of 5.4 (95% range 3.8–7.1). A 5-year backtest shows a typical error of ±11.2%, with 100% 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 →
20255.23.56.8
20265.23.66.9
20275.33.76.9
20285.43.77.0
20295.43.87.1

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 →
Mt PleasantDELAWARE242019
Bethany BchDELAWARE241990
VillasNEW-JERSEY241980
Ocean CityNEW-JERSEY232024
MillsboroDELAWARE212024
CokesburyMARYLAND192024
HarringtonDELAWARE182024
ElktonMARYLAND152024
MadisonMARYLAND152024
MiltonDELAWARE142016
Woodbury HgtNEW-JERSEY142024
SinepuxentMARYLAND131978
WalnutMARYLAND132024
KeyportNEW-JERSEY132022
DoverDELAWARE121987
Forest GroveMARYLAND122023
Colonial PkyVIRGINIA121998
HolleyvilleDELAWARE112004
Milton 2DELAWARE112017
MelitotaMARYLAND112024
Bennett MillNEW-JERSEY112000
WestbrookCONNECTICUT102024
St. George'S IslandMARYLAND102017
Furnace TownMARYLAND102024
AlbionNEW-JERSEY102022

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