Species · Vermont · BBS 2025 Release · 1966–2024

Wood Duck Population Trend in Vermont

Wood Duck in Vermont has surged: up 77% on the route-weighted index since 1969.

+77%Since 1969
21Routes In State
48Years

Notable Wood Duck Trends in Vermont

long arc increasecomputed index

Wood Duck has surged in Vermont: up 77% on the route-weighted index since 1969.

Wood Duck Population Forecast in Vermont

If the recent trend holds, Wood Duck in Vermont is projected to fall about 19% by 2029 — from 0.67 in 2024 to a central estimate of 0.54 (95% range 0.02–1.1). A 5-year backtest shows a typical error of ±68.4%, with 100% of held-out values landing inside the 95% band.

-19%Change by 2029
0.54Projected 2029 index
0.021.195% range
±68.4%Backtest error
19662029
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
20250.520.001.0
20260.520.001.0
20270.530.011.0
20280.530.011.1
20290.540.021.1

Wood Duck Survey Routes in Vermont

Routes recording Wood Duck in Vermont.
Grand Isle720231968
Marlboro420241990
Bristol420001997
Gaysville220122012
Shaftsbury220241978
S Wallingfrd220181974
W Rutland220241979
East Calais220182018
Hardwick220161999
Hinesburg219931980
North Pownal120231981
Landgrove120231995
S Reading120241966
Post Mills120231977
St Johnsbury120181970
East Haven120242021
Middlesex120171985
Greensboro120211983
Waterville119791979
Colchester120241992
Stowe120242024

Wood Duck Population Trend in Other States

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