BirdAnalyst
Family · Anatidae · Anseriformes

Ducks, Geese & Waterfowl Population Trends

38 species tracked, ordered by long-term trend. Steepest declines first.

Ducks, Geese & Waterfowl species ranked by population trend.
TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
American Black DuckWaterfowl-95%1968
Mottled DuckWaterfowl-79%1968
Mute SwanWaterfowl-70%1968
Long-tailed DuckWaterfowl-27%1987
Blue-winged TealWaterfowl-14%1968
Surf ScoterWaterfowl-7%1986
White-winged ScoterWaterfowl-3%1984
Northern PintailWaterfowl-0%1968
Red-breasted MerganserWaterfowl+32%1969
MallardWaterfowl+46%1968
Wood DuckWaterfowl+60%1968
Fulvous Whistling-DuckWaterfowl+67%1969
Muscovy DuckWaterfowl+71%1989
Mexican DuckWaterfowl+88%1986
RedheadWaterfowl+93%1969
Northern ShovelerWaterfowl+116%1969
Black ScoterWaterfowl+122%1986
Ruddy DuckWaterfowl+137%1969
Harlequin DuckWaterfowl+140%1982
Hooded MerganserWaterfowl+141%1968
GadwallWaterfowl+159%1969
Cinnamon TealWaterfowl+221%1970
American WigeonWaterfowl+228%1968
Greater ScaupWaterfowl+234%1984
Green-winged TealWaterfowl+274%1968
Tundra SwanWaterfowl+313%1986
CanvasbackWaterfowl+328%1969
Trumpeter SwanWaterfowl+380%1974
Common GoldeneyeWaterfowl+421%1970
BuffleheadWaterfowl+555%1971
Barrow's GoldeneyeWaterfowl+733%1972
Ring-necked DuckWaterfowl+863%1968
Common EiderWaterfowl+877%1983
Lesser ScaupWaterfowl+910%1968
Common MerganserWaterfowl14×1968
Black-bellied Whistling-DuckWaterfowl15×1969
Greater White-fronted GooseWaterfowl19×1988
Canada GooseWaterfowl105×1968