Species · BCR 26 · BBS 2025 Release · 1966–2024
Barn Swallow In Mississippi Alluvial Valley
Barn Swallow in Mississippi Alluvial Valley has edged down: down 13% on the route-weighted index since 1968.
-13%Since 1968
72Routes In Region
58Years
Notable Signals
No notable trend signals for Barn Swallow in Mississippi Alluvial Valley. See the full index history below.
Forecast
If the recent trend holds, Barn Swallow in Mississippi Alluvial Valley is projected to stay roughly flat through 2029, near 19 (95% range 8.7–30). A 5-year backtest shows a typical error of ±20.8%, with 100% of held-out values landing inside the 95% band.
+5%Change by 2029
19Projected 2029 index
8.7–3095% range
±20.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 19 | 8.6 | 30 |
| 2026 | 19 | 8.6 | 30 |
| 2027 | 19 | 8.7 | 30 |
| 2028 | 19 | 8.7 | 30 |
| 2029 | 19 | 8.7 | 30 |
Routes In Mississippi Alluvial Valley
| Keystone | LOUISIANA | 116 | 2013 |
| Blodgett | MISSOURI | 96 | 2024 |
| Cp Girardeau | MISSOURI | 61 | 2024 |
| Maynard | ARKANSAS | 60 | 2024 |
| Dundee | MISSISSIPPI | 58 | 2022 |
| Pawpaw | TENNESSEE | 55 | 2012 |
| Deventer | MISSOURI | 50 | 2024 |
| Port Allen | LOUISIANA | 47 | 2024 |
| Mayflower | LOUISIANA | 44 | 2024 |
| Saffell | ARKANSAS | 40 | 2019 |
| Wilson | ARKANSAS | 40 | 2024 |
| England | ARKANSAS | 35 | 2024 |
| Transylvania | LOUISIANA | 32 | 2022 |
| Commerce | MISSISSIPPI | 31 | 1993 |
| Berwick | LOUISIANA | 27 | 2018 |
| Eagle Lake | MISSISSIPPI | 27 | 2024 |
| Kelso | ARKANSAS | 26 | 2016 |
| Augusta 2 | ARKANSAS | 25 | 2016 |
| Tchula | MISSISSIPPI | 25 | 1975 |
| Pawpaw 2 | TENNESSEE | 25 | 2023 |
| Kraemer | LOUISIANA | 21 | 2024 |
| Winterville | MISSISSIPPI | 19 | 2011 |
| Hayti | MISSOURI | 19 | 2021 |
| Tensas Nwr | LOUISIANA | 17 | 2023 |
| Panther Swamp Nwr | MISSISSIPPI | 16 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.