BirdAnalyst
Species · West Virginia · BBS 2025 Release · 1966–2024

Mallard Population Trend in West Virginia

All statesWaterfowl

Mallard in West Virginia has surged: up 78% on the route-weighted index since 1971.

+78%Since 1971
50Routes In State
52Years

Notable Mallard Trends in West Virginia

long arc increasecomputed index

Mallard has surged in West Virginia: up 78% on the route-weighted index since 1971.

Mallard Population Forecast in West Virginia

If the recent trend holds, Mallard in West Virginia is projected to rise about 401% by 2029 — from 0.14 in 2024 to a central estimate of 0.68 (95% range 0.15–1.2). A 5-year backtest shows a typical error of ±208%, with 60% of held-out values landing inside the 95% band.

+401%Change by 2029
0.68Projected 2029 index
0.15–1.295% range
±208%Backtest error
19682029
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
20250.640.121.2
20260.650.121.2
20270.660.131.2
20280.670.141.2
20290.680.151.2

Mallard Survey Routes in West Virginia

Routes recording Mallard in West Virginia.
Smithfield1019961993
Mcdonald720102001
Clendenin620171996
Henderson620232018
Clear Creek420241995
Pt Pleasant420222016
Meadland420191998
Valley Head420061993
Bramwell320221987
Hanover320221995
Olcott320081977
Clinton319941978
Ruthbelle320231977
Hix220102008
Smoot220031995
Pedro220181997
Stollings220072002
Nicut220231995
Bemis220022002
Cedarville220191986
Denmar220212009
Dailey220231983
Rockport220092006
Josephs Mill220172000
Meadowville220172004

Mallard Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwisconsinwyoming

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