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

Green-winged Teal Population Trend in Nebraska

All statesWaterfowl

Green-winged Teal in Nebraska has declined: down 33% on the route-weighted index since 1979.

-33%Since 1979
13Routes In State
27Years

Notable Green-winged Teal Trends in Nebraska

No notable trend signals for Green-winged Teal in Nebraska. See the full index history below.

Green-winged Teal Population Forecast in Nebraska

If the recent trend holds, Green-winged Teal in Nebraska is projected to stay roughly flat through 2029, near 0.07 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±66.4%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.07Projected 2029 index
0.00–0.2595% range
±66.4%Backtest error
19772029
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
20250.080.000.25
20260.080.000.25
20270.070.000.25
20280.070.000.25
20290.070.000.25

Green-winged Teal Survey Routes in Nebraska

Routes recording Green-winged Teal in Nebraska.
Murray Lake819921992
Paxton520151977
Gordon220181978
Crescent Lk220161980
Brownlee220022002
Stratton220151996
Table120161977
Kimball119971997
Tilden120192019
Wheeler Co120241978
Swan Lake119971984
Piester Lake120172017
Kennedy120242016

Green-winged Teal Population Trend in Other States

alaskaarizonacaliforniacoloradoidahoillinoisindianaiowakansasmainemichiganminnesotamissourimontananevadanew-hampshirenew-mexiconew-yorknorth-dakotaoklahomaoregonpennsylvaniasouth-dakotatexasutahvermontwashingtonwisconsinwyoming

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