BirdAnalyst
Species · New Hampshire · BBS 2025 Release · 1966–2024

Eastern Whip-poor-will Population Trend in New Hampshire

All statesAerial insectivores

Eastern Whip-poor-will in New Hampshire has fallen sharply: down 53% on the route-weighted index since 1968.

-53%Since 1968
15Routes In State
38Years

Notable Eastern Whip-poor-will Trends in New Hampshire

long arc declinecomputed index

Eastern Whip-poor-will has fallen sharply in New Hampshire: down 53% on the route-weighted index since 1968.

Eastern Whip-poor-will Population Forecast in New Hampshire

If the recent trend holds, Eastern Whip-poor-will in New Hampshire is projected to fall about 81% by 2027 — from 0.17 in 2022 to a central estimate of 0.03 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±117.8%, with 80% of held-out values landing inside the 95% band.

-81%Change by 2027
0.03Projected 2027 index
0.00–0.2595% range
±117.8%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
20230.040.000.26
20240.040.000.26
20250.040.000.26
20260.040.000.25
20270.030.000.25

Eastern Whip-poor-will Survey Routes in New Hampshire

Routes recording Eastern Whip-poor-will in New Hampshire.
Epsom220221969
Wilmot220221968
Brentwood119801975
Fitzwilliam119741966
Dover119801966
Hopkinton119721968
Concord119861985
Strafford119691966
Canterbury120071968
Gilmantn I W119931993
East Kingston120042004
Walpole119741967
Marlow120021969
Milan120071977
Stratford119951967

Eastern Whip-poor-will Population Trend in Other States

alabamaarkansasconnecticutdelawaregeorgiaillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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