Species · Delaware · BBS 2025 Release · 1966–2024

Eastern Wood-Pewee Population Trend in Delaware

Eastern Wood-Pewee in Delaware has surged: up 93% on the route-weighted index since 1968.

+93%Since 1968
17Routes In State
58Years

Notable Eastern Wood-Pewee Trends in Delaware

long arc increasecomputed index

Eastern Wood-Pewee has surged in Delaware: up 93% on the route-weighted index since 1968.

Eastern Wood-Pewee Population Forecast in Delaware

If the recent trend holds, Eastern Wood-Pewee in Delaware is projected to stay roughly flat through 2029, near 7.3 (95% range 4.8–9.9). A 5-year backtest shows a typical error of ±9.8%, with 100% of held-out values landing inside the 95% band.

-8%Change by 2029
7.3Projected 2029 index
4.89.995% range
±9.8%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
20257.14.59.7
20267.24.69.7
20277.24.79.8
20287.34.79.8
20297.34.89.9

Eastern Wood-Pewee Survey Routes in Delaware

Routes recording Eastern Wood-Pewee in Delaware.
Blackbird1820241994
Harrington1420241966
Milton 21420172017
Mt Pleasant1020191966
Milton820161966
Frederica720141966
Pepperbox720161998
Lowes Xrds519911967
Frankford420121966
Millsboro420242017
Holleyville320041966
Pepperbox 2320242017
Dover219871966
Bethany Bch219891966
Georgetown220221992
Wilmington120141966
Holleyville 2120242006

Eastern Wood-Pewee Population Trend in Other States

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