Species · Delaware · BBS 2025 Release · 1966–2024

European Starling Population Trend in Delaware

European Starling in Delaware has edged up: up 20% on the route-weighted index since 1968.

+20%Since 1968
17Routes In State
58Years

Notable European Starling Trends in Delaware

No notable trend signals for European Starling in Delaware. See the full index history below.

European Starling Population Forecast in Delaware

If the recent trend holds, European Starling in Delaware is projected to fall about 20% by 2029 — from 148 in 2024 to a central estimate of 118 (95% range 67–170). A 5-year backtest shows a typical error of ±21.6%, with 100% of held-out values landing inside the 95% band.

-20%Change by 2029
118Projected 2029 index
6717095% range
±21.6%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
202511968171
202611967170
202711967170
202811967170
202911867170

European Starling Survey Routes in Delaware

Routes recording European Starling in Delaware.
Millsboro26120242017
Holleyville 224820242006
Frankford23620121966
Wilmington16720141966
Milton15420161966
Milton 212620172017
Holleyville12320041966
Pepperbox 211920242017
Lowes Xrds11219911966
Georgetown9720221992
Pepperbox8820161998
Frederica8620141966
Dover8419871966
Harrington7620241966
Blackbird3820241994
Mt Pleasant3520191966
Bethany Bch3519901966

European Starling Population Trend in Other States

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