BirdAnalyst
Species · Connecticut · BBS 2025 Release · 1966–2024

Eastern Whip-poor-will Population Trend in Connecticut

All statesAerial insectivores

Eastern Whip-poor-will in Connecticut has fallen sharply: down 64% on the route-weighted index since 1973.

-64%Since 1973
10Routes In State
27Years

Notable Eastern Whip-poor-will Trends in Connecticut

long arc declinecomputed index

Eastern Whip-poor-will has fallen sharply in Connecticut: down 64% on the route-weighted index since 1973.

Eastern Whip-poor-will Population Forecast in Connecticut

If the recent trend holds, Eastern Whip-poor-will in Connecticut is projected to fall about 17% by 2029 — from 0.11 in 2024 to a central estimate of 0.09 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±60.3%, with 80% of held-out values landing inside the 95% band.

-17%Change by 2029
0.09Projected 2029 index
0.00–0.2595% range
±60.3%Backtest error
19712029
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
20250.100.000.26
20260.100.000.26
20270.100.000.25
20280.090.000.25
20290.090.000.25

Eastern Whip-poor-will Survey Routes in Connecticut

Routes recording Eastern Whip-poor-will in Connecticut.
New Hartford220062000
New Hartford219871972
Buckingham119881988
Uncasville120191973
Woodstock119751973
Willimantic119781978
No Woodbury119771977
Danbury119711971
Long Hill119821982
Granby120241988

Eastern Whip-poor-will Population Trend in Other States

alabamaarkansasdelawaregeorgiaillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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