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Species · Connecticut · BBS 2025 Release · 1966–2024

Wood Duck Population Trend in Connecticut

All statesWaterfowl

Wood Duck in Connecticut has edged down: down 13% on the route-weighted index since 1969.

-13%Since 1969
20Routes In State
53Years

Notable Wood Duck Trends in Connecticut

No notable trend signals for Wood Duck in Connecticut. See the full index history below.

Wood Duck Population Forecast in Connecticut

If the recent trend holds, Wood Duck in Connecticut is projected to rise about 650% by 2029 — from 0.11 in 2024 to a central estimate of 0.83 (95% range 0.00–2.0). A 5-year backtest shows a typical error of ±246.2%, with 100% of held-out values landing inside the 95% band.

+650%Change by 2029
0.83Projected 2029 index
0.00–2.095% range
±246.2%Backtest error
19672029
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
20250.810.002.0
20260.820.002.0
20270.820.002.0
20280.830.002.0
20290.830.002.0

Wood Duck Survey Routes in Connecticut

Routes recording Wood Duck in Connecticut.
Warren1120111972
E Hartland319791967
Mid Haddam320231978
New Hartford320212007
Mystic220191973
Woodstock220071969
Westbrook219911991
No Woodbury220131968
Greenwich220141967
Long Hill220181972
New Hartford219841983
Buckingham120211993
Uncasville120232023
Willimantic120141970
Sherman120191973
Danbury120231969
Southington120222022
Woodstock 2120242018
Warren 2120142013
Granby120212021

Wood Duck Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradodelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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