Species · BCR 26 · BBS 2025 Release · 1966–2024
Blue-gray Gnatcatcher In Mississippi Alluvial Valley
Blue-gray Gnatcatcher in Mississippi Alluvial Valley has surged: up 120% on the route-weighted index since 1968.
+120%Since 1968
64Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Blue-gray Gnatcatcher has surged in Mississippi Alluvial Valley: up 120% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Blue-gray Gnatcatcher in Mississippi Alluvial Valley is projected to rise about 169% by 2029 — from 1.7 in 2024 to a central estimate of 4.7 (95% range 2.8–6.5). A 5-year backtest shows a typical error of ±67.3%, with 60% of held-out values landing inside the 95% band.
+169%Change by 2029
4.7Projected 2029 index
2.8–6.595% range
±67.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.4 | 2.6 | 6.2 |
| 2026 | 4.5 | 2.7 | 6.3 |
| 2027 | 4.5 | 2.7 | 6.4 |
| 2028 | 4.6 | 2.8 | 6.4 |
| 2029 | 4.7 | 2.8 | 6.5 |
Routes In Mississippi Alluvial Valley
| Dundee | MISSISSIPPI | 38 | 2022 |
| Hughes | ARKANSAS | 13 | 2023 |
| Augusta | ARKANSAS | 12 | 2001 |
| Atchafalaya | LOUISIANA | 12 | 2024 |
| Freetown | LOUISIANA | 10 | 2009 |
| Bardwell | KENTUCKY | 8 | 2003 |
| Eudora | ARKANSAS | 7 | 2016 |
| Ramah | LOUISIANA | 7 | 2024 |
| Delta N.F. | MISSISSIPPI | 7 | 2021 |
| Tallahatchie | MISSISSIPPI | 6 | 2024 |
| Pawpaw | TENNESSEE | 6 | 2010 |
| Augusta 2 | ARKANSAS | 5 | 2016 |
| Tippo | MISSISSIPPI | 5 | 2024 |
| Warren Vick | MISSISSIPPI | 5 | 2022 |
| Harrisburg | ARKANSAS | 4 | 2019 |
| England | ARKANSAS | 4 | 2023 |
| Morgan City | LOUISIANA | 4 | 1976 |
| Gonzales | LOUISIANA | 4 | 2014 |
| Morgan City | LOUISIANA | 4 | 2018 |
| South Bend | ARKANSAS | 3 | 2023 |
| Saffell | ARKANSAS | 3 | 2019 |
| Maynard | ARKANSAS | 3 | 2024 |
| Bardwell 2 | KENTUCKY | 3 | 2024 |
| Roseland | LOUISIANA | 3 | 2024 |
| Keystone | LOUISIANA | 3 | 1993 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.