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
4.8–9.995% range
±9.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 7.1 | 4.5 | 9.7 |
| 2026 | 7.2 | 4.6 | 9.7 |
| 2027 | 7.2 | 4.7 | 9.8 |
| 2028 | 7.3 | 4.7 | 9.8 |
| 2029 | 7.3 | 4.8 | 9.9 |
Eastern Wood-Pewee Survey Routes in Delaware
| Blackbird | 18 | 2024 | 1994 |
| Harrington | 14 | 2024 | 1966 |
| Milton 2 | 14 | 2017 | 2017 |
| Mt Pleasant | 10 | 2019 | 1966 |
| Milton | 8 | 2016 | 1966 |
| Frederica | 7 | 2014 | 1966 |
| Pepperbox | 7 | 2016 | 1998 |
| Lowes Xrds | 5 | 1991 | 1967 |
| Frankford | 4 | 2012 | 1966 |
| Millsboro | 4 | 2024 | 2017 |
| Holleyville | 3 | 2004 | 1966 |
| Pepperbox 2 | 3 | 2024 | 2017 |
| Dover | 2 | 1987 | 1966 |
| Bethany Bch | 2 | 1989 | 1966 |
| Georgetown | 2 | 2022 | 1992 |
| Wilmington | 1 | 2014 | 1966 |
| Holleyville 2 | 1 | 2024 | 2006 |
Eastern Wood-Pewee Population Trend in Other States
alabamaarkansasconnecticutfloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.