BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

Blue-winged Teal In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieWaterfowl

Blue-winged Teal in Central Mixed Grass Prairie has fallen sharply: down 69% on the route-weighted index since 1969.

-69%Since 1969
74Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Blue-winged Teal has fallen sharply in Central Mixed Grass Prairie: down 69% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Blue-winged Teal in Central Mixed Grass Prairie is projected to fall about 50% by 2029 — from 0.79 in 2024 to a central estimate of 0.40 (95% range 0.00–1.9). A 5-year backtest shows a typical error of ±63.2%, with 80% of held-out values landing inside the 95% band.

-50%Change by 2029
0.40Projected 2029 index
0.00–1.995% range
±63.2%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
20250.480.002.0
20260.460.001.9
20270.440.001.9
20280.420.001.9
20290.400.001.9

Routes In Central Mixed Grass Prairie

Routes recording Blue-winged Teal in Central Mixed Grass Prairie.
St JohnKANSAS192019
Wheeler CoNEBRASKA182024
WakitaOKLAHOMA81992
BassettNEBRASKA72024
Pear ValleyTEXAS72016
KanopolisKANSAS62019
AlbertKANSAS52024
Crescent LkNEBRASKA52017
RosstonOKLAHOMA51999
CoatsKANSAS41987
HaysKANSAS41975
SolomonKANSAS42004
StrattonNEBRASKA42015
Piester LakeNEBRASKA42024
GordonNEBRASKA42019
BrownleeNEBRASKA42024
MullenNEBRASKA42023
LookoutOKLAHOMA41973
BeaverOKLAHOMA41993
BelvidereNEBRASKA32024
KenesawNEBRASKA32019
NenzelNEBRASKA32024
WoodwardOKLAHOMA31993
WeinertTEXAS31993
ChildressTEXAS32015

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