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Species · Delaware · BBS 2025 Release · 1966–2024

Chuck-will's-widow Population Trend in Delaware

All statesAerial insectivores

Chuck-will's-widow in Delaware has increased: up 42% on the route-weighted index since 1968.

+42%Since 1968
7Routes In State
47Years

Notable Chuck-will's-widow Trends in Delaware

No notable trend signals for Chuck-will's-widow in Delaware. See the full index history below.

Chuck-will's-widow Population Forecast in Delaware

If the recent trend holds, Chuck-will's-widow in Delaware is projected to stay roughly flat through 2027, near 0.39 (95% range 0.00–0.84). A 5-year backtest shows a typical error of ±72.8%, with 100% of held-out values landing inside the 95% band.

-4%Change by 2027
0.39Projected 2027 index
0.00–0.8495% range
±72.8%Backtest error
19662027
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
20230.380.000.83
20240.380.000.83
20250.380.000.83
20260.380.000.84
20270.390.000.84

Chuck-will's-widow Survey Routes in Delaware

Routes recording Chuck-will's-widow in Delaware.
Milton320131968
Holleyville220041966
Georgetown220222001
Harrington120041984
Frederica119671967
Frankford119781966
Lowes Xrds119761976

Chuck-will's-widow Population Trend in Other States

alabamaarkansasfloridageorgiaillinoisindianakansaskentuckylouisianamarylandmississippimissourinebraskanew-jerseynorth-carolinaohiooklahomasouth-carolinatennesseetexasvirginiawest-virginia

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