Species · Maine · BBS 2025 Release · 1966–2024
Eastern Whip-poor-will Population Trend in Maine
Eastern Whip-poor-will in Maine has collapsed: down 86% on the route-weighted index since 1971.
-86%Since 1971
19Routes In State
32Years
Notable Eastern Whip-poor-will Trends in Maine
long arc declinecomputed index
Eastern Whip-poor-will has collapsed in Maine: down 86% on the route-weighted index since 1971.
Eastern Whip-poor-will Population Forecast in Maine
If the recent trend holds, Eastern Whip-poor-will in Maine is projected to stay roughly flat through 2026, near 0.00 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±238.5%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2026
0.00Projected 2026 index
0.00–0.1795% range
±238.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2022 | 0.00 | 0.00 | 0.17 |
| 2023 | 0.00 | 0.00 | 0.17 |
| 2024 | 0.00 | 0.00 | 0.17 |
| 2025 | 0.00 | 0.00 | 0.17 |
| 2026 | 0.00 | 0.00 | 0.17 |
Eastern Whip-poor-will Survey Routes in Maine
| Warren | 2 | 1980 | 1973 |
| Heron Lake | 2 | 1983 | 1983 |
| Cape Neddick | 1 | 1990 | 1972 |
| Northfield 2 | 1 | 2015 | 1998 |
| Biddeford | 1 | 1994 | 1973 |
| Kittery Pt | 1 | 1982 | 1967 |
| Newcastle | 1 | 1982 | 1981 |
| Turner | 1 | 1984 | 1976 |
| Greenwood | 1 | 1966 | 1966 |
| Otisfield Gr | 1 | 1994 | 1975 |
| Bowdoin Ctr | 1 | 1986 | 1980 |
| East Troy | 1 | 1985 | 1983 |
| Hancock | 1 | 1971 | 1971 |
| Aurora | 1 | 1991 | 1991 |
| Cooper | 1 | 2021 | 1975 |
| Deblois | 1 | 2007 | 1971 |
| Northfield | 1 | 1981 | 1979 |
| Hudson | 1 | 1998 | 1973 |
| Big Twenty | 1 | 1993 | 1993 |
Eastern Whip-poor-will Population Trend in Other States
alabamaarkansasconnecticutdelawaregeorgiaillinoisindianaiowakansaskentuckymarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.