BirdAnalyst
Species · Delaware · BBS 2025 Release · 1966–2024

Fish Crow Population Trend in Delaware

All statesGeneralists

Fish Crow in Delaware has surged: up 82% on the route-weighted index since 1968.

+82%Since 1968
17Routes In State
58Years

Notable Fish Crow Trends in Delaware

long arc increasecomputed index

Fish Crow has surged in Delaware: up 82% on the route-weighted index since 1968.

Fish Crow Population Forecast in Delaware

If the recent trend holds, Fish Crow in Delaware is projected to fall about 11% by 2029 — from 11 in 2024 to a central estimate of 9.6 (95% range 5.7–14). A 5-year backtest shows a typical error of ±20.2%, with 100% of held-out values landing inside the 95% band.

-11%Change by 2029
9.6Projected 2029 index
5.7–1495% range
±20.2%Backtest error
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 index95% low95% high
20259.15.213
20269.25.313
20279.45.413
20289.55.513
20299.65.714

Fish Crow Survey Routes in Delaware

Routes recording Fish Crow in Delaware.
Mt Pleasant2420191970
Bethany Bch2419901966
Millsboro2120242017
Harrington1820241966
Milton1420161966
Dover1219871966
Holleyville1120041968
Milton 21120172017
Wilmington820141966
Georgetown720221992
Frederica620141975
Holleyville 2620242006
Pepperbox520161998
Pepperbox 2520242017
Blackbird420241994
Lowes Xrds319911966
Frankford220121986

Fish Crow Population Trend in Other States

alabamaarkansasconnecticutfloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginia

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