Species · BCR 18 · BBS 2025 Release · 1966–2024
Barn Swallow In Shortgrass Prairie
Barn Swallow in Shortgrass Prairie has surged: up 146% on the route-weighted index since 1969.
+146%Since 1969
134Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Barn Swallow has surged in Shortgrass Prairie: up 146% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Barn Swallow in Shortgrass Prairie is projected to rise about 47% by 2029 — from 8.5 in 2024 to a central estimate of 12 (95% range 7.4–17). A 5-year backtest shows a typical error of ±71.5%, with 20% of held-out values landing inside the 95% band.
+47%Change by 2029
12Projected 2029 index
7.4–1795% range
±71.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 12 | 7.1 | 17 |
| 2026 | 12 | 7.2 | 17 |
| 2027 | 12 | 7.2 | 17 |
| 2028 | 12 | 7.3 | 17 |
| 2029 | 12 | 7.4 | 17 |
Routes In Shortgrass Prairie
| Miami | TEXAS | 72 | 2024 |
| Floydada | TEXAS | 54 | 2024 |
| Tucumcari | NEW-MEXICO | 49 | 1975 |
| Murray Lake | NEBRASKA | 48 | 2024 |
| Dougherty | TEXAS | 37 | 2024 |
| Plymell | KANSAS | 33 | 2024 |
| Julesburg | COLORADO | 30 | 2021 |
| Kirk | COLORADO | 26 | 2023 |
| Fort Morgan | COLORADO | 26 | 2024 |
| Pantex | TEXAS | 26 | 2024 |
| Two Buttes | COLORADO | 24 | 2015 |
| Cooley Lake | NEW-MEXICO | 24 | 2024 |
| Gordon Creek | COLORADO | 22 | 2022 |
| Prospect Val | COLORADO | 22 | 2000 |
| Doyle Bridge | COLORADO | 22 | 1997 |
| Kimball | NEBRASKA | 20 | 2022 |
| Clear Lake | OKLAHOMA | 19 | 2024 |
| Mica Butte | COLORADO | 18 | 1987 |
| Ruleton | KANSAS | 18 | 2022 |
| Paxton | NEBRASKA | 18 | 2016 |
| Clovis | NEW-MEXICO | 18 | 2024 |
| Bennett | COLORADO | 16 | 2018 |
| Waka | TEXAS | 16 | 2024 |
| Hudson | COLORADO | 15 | 2024 |
| Hooker | OKLAHOMA | 15 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.