Species · BCR 18 · BBS 2025 Release · 1966–2024
Blue-winged Teal In Shortgrass Prairie
Blue-winged Teal in Shortgrass Prairie has surged: up 76% on the route-weighted index since 1971.
+76%Since 1971
80Routes In Region
54Years
Notable Signals
long arc increasecomputed index
Blue-winged Teal has surged in Shortgrass Prairie: up 76% on the route-weighted index since 1971.
Forecast
If the recent trend holds, Blue-winged Teal in Shortgrass Prairie is projected to rise about 395% by 2029 — from 0.11 in 2024 to a central estimate of 0.54 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±989.6%, with 100% of held-out values landing inside the 95% band.
+395%Change by 2029
0.54Projected 2029 index
0.00–1.595% range
±989.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.54 | 0.00 | 1.5 |
| 2026 | 0.54 | 0.00 | 1.5 |
| 2027 | 0.54 | 0.00 | 1.5 |
| 2028 | 0.54 | 0.00 | 1.5 |
| 2029 | 0.54 | 0.00 | 1.5 |
Routes In Shortgrass Prairie
| Cactus | TEXAS | 50 | 2023 |
| Hay Springs | NEBRASKA | 20 | 2019 |
| Briggsdale | COLORADO | 11 | 2023 |
| Bethune | COLORADO | 10 | 2016 |
| Haswell | COLORADO | 10 | 2006 |
| Neegrande | COLORADO | 10 | 2006 |
| Plymell | KANSAS | 10 | 2021 |
| Pantex | TEXAS | 10 | 2023 |
| Flagler | COLORADO | 8 | 2023 |
| Leoti | KANSAS | 8 | 2015 |
| Grenville | NEW-MEXICO | 8 | 1985 |
| Keyes | OKLAHOMA | 7 | 2021 |
| Claytonville | TEXAS | 7 | 2019 |
| Gruver | TEXAS | 6 | 2019 |
| Yoder | WYOMING | 6 | 2023 |
| Edler | COLORADO | 5 | 2014 |
| Texline | TEXAS | 5 | 1999 |
| Dougherty | TEXAS | 5 | 2017 |
| Dalhart | TEXAS | 5 | 2023 |
| Waverly | COLORADO | 4 | 2018 |
| Julesburg | COLORADO | 4 | 2021 |
| Karval | COLORADO | 4 | 2019 |
| Grigston | KANSAS | 4 | 2019 |
| Murray Lake | NEBRASKA | 4 | 2016 |
| Berea | NEBRASKA | 4 | 2019 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.