Species · BCR 26 · BBS 2025 Release · 1966–2024
Carolina Wren In Mississippi Alluvial Valley
Carolina Wren in Mississippi Alluvial Valley has surged: up 368% on the route-weighted index since 1968.
+368%Since 1968
73Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Carolina Wren has surged in Mississippi Alluvial Valley: up 368% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Carolina Wren in Mississippi Alluvial Valley is projected to stay roughly flat through 2029, near 34 (95% range 26–42). A 5-year backtest shows a typical error of ±33.7%, with 60% of held-out values landing inside the 95% band.
+5%Change by 2029
34Projected 2029 index
26–4295% range
±33.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 32 | 24 | 40 |
| 2026 | 32 | 24 | 40 |
| 2027 | 33 | 25 | 41 |
| 2028 | 33 | 25 | 41 |
| 2029 | 34 | 26 | 42 |
Routes In Mississippi Alluvial Valley
| Atchafalaya | LOUISIANA | 121 | 2024 |
| Kraemer | LOUISIANA | 115 | 2024 |
| Ramah | LOUISIANA | 96 | 2024 |
| Shaw | LOUISIANA | 70 | 2024 |
| Roseland | LOUISIANA | 67 | 2024 |
| Rayville 2 | LOUISIANA | 50 | 2024 |
| Mayflower | LOUISIANA | 46 | 2024 |
| Carlisle | LOUISIANA | 41 | 1988 |
| Berwick | LOUISIANA | 40 | 2018 |
| Concord | LOUISIANA | 39 | 2019 |
| River Road | LOUISIANA | 38 | 2024 |
| Frogmore | LOUISIANA | 37 | 2024 |
| Crowley'S Ridge | ARKANSAS | 36 | 2024 |
| Gonzales | LOUISIANA | 35 | 2019 |
| Baton Rouge | LOUISIANA | 35 | 2024 |
| Cp Girardeau | MISSOURI | 35 | 2024 |
| Brousville | LOUISIANA | 33 | 2024 |
| Saffell | ARKANSAS | 32 | 2019 |
| Larose | LOUISIANA | 32 | 1992 |
| South Bend | ARKANSAS | 29 | 2023 |
| Morgan City | LOUISIANA | 29 | 2022 |
| Tippo | MISSISSIPPI | 29 | 2024 |
| Delta N.F. | MISSISSIPPI | 28 | 2021 |
| Augusta 2 | ARKANSAS | 27 | 2016 |
| Tallahatchie | MISSISSIPPI | 27 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.