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

Ruddy Duck Population Trend in Kansas

All statesWaterfowl

Ruddy Duck in Kansas has collapsed: down 93% on the route-weighted index since 1970.

-93%Since 1970
5Routes In State
18Years

Notable Ruddy Duck Trends in Kansas

long arc declinecomputed index

Ruddy Duck has collapsed in Kansas: down 93% on the route-weighted index since 1970.

Ruddy Duck Population Forecast in Kansas

If the recent trend holds, Ruddy Duck in Kansas is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.87). A 5-year backtest shows a typical error of ±1084.7%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2028
0.00Projected 2028 index
0.00–0.8795% range
±1084.7%Backtest error
19672028
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
20240.000.000.87
20250.000.000.87
20260.000.000.87
20270.000.000.87
20280.000.000.87

Ruddy Duck Survey Routes in Kansas

Routes recording Ruddy Duck in Kansas.
Hopewell320092009
Wreford220192019
Phillipsburg119851985
Logan119801980
Albert120231967

Ruddy Duck Population Trend in Other States

arizonacaliforniacoloradoidahoillinoisindianaiowamichiganminnesotamontananebraskanevadanew-mexiconew-yorknorth-dakotaohiooklahomaoregonsouth-dakotatexasutahwashingtonwisconsinwyoming

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