Species · BCR 26 · BBS 2025 Release · 1966–2024
Northern House Wren In Mississippi Alluvial Valley
Northern House Wren in Mississippi Alluvial Valley has risen sharply: up 61% on the route-weighted index since 1969.
+61%Since 1969
8Routes In Region
48Years
Notable Signals
long arc increasecomputed index
Northern House Wren has risen sharply in Mississippi Alluvial Valley: up 61% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Northern House Wren in Mississippi Alluvial Valley is projected to rise about 24% by 2029 — from 0.12 in 2024 to a central estimate of 0.15 (95% range 0.00–0.42). A 5-year backtest shows a typical error of ±11.8%, with 100% of held-out values landing inside the 95% band.
+24%Change by 2029
0.15Projected 2029 index
0.00–0.4295% range
±11.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.16 | 0.00 | 0.43 |
| 2026 | 0.15 | 0.00 | 0.43 |
| 2027 | 0.15 | 0.00 | 0.42 |
| 2028 | 0.15 | 0.00 | 0.42 |
| 2029 | 0.15 | 0.00 | 0.42 |
Routes In Mississippi Alluvial Valley
| Cp Girardeau | MISSOURI | 4 | 2024 |
| Harrisburg | ARKANSAS | 2 | 1972 |
| Saffell | ARKANSAS | 1 | 1975 |
| Bardwell | KENTUCKY | 1 | 1991 |
| Bardwell 2 | KENTUCKY | 1 | 2008 |
| Deventer | MISSOURI | 1 | 2019 |
| Blodgett | MISSOURI | 1 | 2021 |
| Tiptonville | TENNESSEE | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.