BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Green-winged Teal In Shortgrass Prairie

All regionsShortgrass PrairieWaterfowl

Green-winged Teal in Shortgrass Prairie has edged down: down 11% on the route-weighted index since 1969.

-11%Since 1969
48Routes In Region
50Years

Notable Signals

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

Forecast

If the recent trend holds, Green-winged Teal in Shortgrass Prairie is projected to rise about 118% by 2029 — from 0.06 in 2024 to a central estimate of 0.13 (95% range 0.00–0.49). A 5-year backtest shows a typical error of ±122.4%, with 100% of held-out values landing inside the 95% band.

+118%Change by 2029
0.13Projected 2029 index
0.00–0.4995% range
±122.4%Backtest error
19672029
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
20250.130.000.49
20260.130.000.49
20270.130.000.49
20280.130.000.49
20290.130.000.49

Routes In Shortgrass Prairie

Routes recording Green-winged Teal in Shortgrass Prairie.
HaswellCOLORADO192022
KarvalCOLORADO122014
PantexTEXAS102023
FlemingCOLORADO82003
RuletonKANSAS81991
Murray LakeNEBRASKA81992
GrenvilleNEW-MEXICO82003
FloydadaTEXAS72016
BriggsdaleCOLORADO52023
Wildhorse LCOLORADO52024
PaxtonNEBRASKA52015
FrionaTEXAS52017
WakaTEXAS42002
DalhartTEXAS42016
CactusTEXAS42019
YoderWYOMING42015
Last ChanceCOLORADO31994
LamarCOLORADO31979
NunnCOLORADO32017
WallaceKANSAS31995
Cooley LakeNEW-MEXICO32023
ChanningTEXAS31967
DoughertyTEXAS32017
Pine BluffWYOMING32018
HudsonCOLORADO22016

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