BirdAnalyst
Species · BCR 21 · BBS 2025 Release · 1966–2024

Blue-winged Teal In Oaks and Prairies

All regionsOaks and PrairiesWaterfowl

Blue-winged Teal in Oaks and Prairies has collapsed: down 78% on the route-weighted index since 1970.

-78%Since 1970
13Routes In Region
20Years

Notable Signals

long arc declinecomputed index

Blue-winged Teal has collapsed in Oaks and Prairies: down 78% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Blue-winged Teal in Oaks and Prairies is projected to stay roughly flat through 2026, near 0.04 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±113.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2026
0.04Projected 2026 index
0.00–0.1995% range
±113.6%Backtest error
19672026
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
20220.040.000.20
20230.040.000.20
20240.040.000.19
20250.040.000.19
20260.040.000.19

Routes In Oaks and Prairies

Routes recording Blue-winged Teal in Oaks and Prairies.
Glen RoseTEXAS91968
SadlerTEXAS42011
FanninTEXAS32007
BeggsOKLAHOMA22017
Gambill Ref.TEXAS22021
LocoOKLAHOMA11972
CampbelltonTEXAS12013
Lone OakTEXAS11968
WeatherfordTEXAS11973
GrafordTEXAS12000
CottonwoodTEXAS12016
HenriettaTEXAS11993
HearneTEXAS12011

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