Species · BCR 18 · BBS 2025 Release · 1966–2024
Indigo Bunting In Shortgrass Prairie
Indigo Bunting in Shortgrass Prairie has fallen sharply: down 74% on the route-weighted index since 1975.
-74%Since 1975
28Routes In Region
36Years
Notable Signals
long arc declinecomputed index
Indigo Bunting has fallen sharply in Shortgrass Prairie: down 74% on the route-weighted index since 1975.
Forecast
If the recent trend holds, Indigo Bunting in Shortgrass Prairie is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.15). A 5-year backtest shows a typical error of ±84.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.00Projected 2028 index
0.00–0.1595% range
±84.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.00 | 0.00 | 0.15 |
| 2025 | 0.00 | 0.00 | 0.15 |
| 2026 | 0.00 | 0.00 | 0.15 |
| 2027 | 0.00 | 0.00 | 0.15 |
| 2028 | 0.00 | 0.00 | 0.15 |
Routes In Shortgrass Prairie
| Haswell | COLORADO | 2 | 2010 |
| Post | TEXAS | 2 | 2019 |
| Channing | TEXAS | 2 | 1982 |
| Abarr | COLORADO | 1 | 1983 |
| Boyero | COLORADO | 1 | 1981 |
| Two Buttes | COLORADO | 1 | 2005 |
| Trinchera | COLORADO | 1 | 2015 |
| Doyle Bridge | COLORADO | 1 | 1995 |
| Doyle Bridge 2 | COLORADO | 1 | 2011 |
| Wallace | KANSAS | 1 | 1992 |
| Paxton | NEBRASKA | 1 | 1975 |
| Benkelman | NEBRASKA | 1 | 1997 |
| Berea | NEBRASKA | 1 | 1982 |
| Crawford | NEBRASKA | 1 | 2009 |
| Pine Ridge | NEBRASKA | 1 | 1999 |
| Grenville | NEW-MEXICO | 1 | 2012 |
| Tucumcari | NEW-MEXICO | 1 | 1975 |
| Cooley Lake | NEW-MEXICO | 1 | 1972 |
| Sabinoso | NEW-MEXICO | 1 | 2019 |
| Logan | NEW-MEXICO | 1 | 1980 |
| Hardesty | OKLAHOMA | 1 | 2013 |
| Felt | OKLAHOMA | 1 | 2013 |
| Clear Lake | OKLAHOMA | 1 | 2023 |
| Miami | TEXAS | 1 | 2021 |
| Floydada | TEXAS | 1 | 2011 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.