Species · Louisiana · BBS 2025 Release · 1966–2024
Roseate Spoonbill Population Trend in Louisiana
Roseate Spoonbill in Louisiana has surged: up 563% on the route-weighted index since 1978.
+563%Since 1978
36Routes In State
45Years
Notable Roseate Spoonbill Trends in Louisiana
long arc increasecomputed index
Roseate Spoonbill has surged in Louisiana: up 563% on the route-weighted index since 1978.
Roseate Spoonbill Population Forecast in Louisiana
If the recent trend holds, Roseate Spoonbill in Louisiana is projected to rise about 12% by 2029 — from 2.2 in 2024 to a central estimate of 2.4 (95% range 0.00–5.0). A 5-year backtest shows a typical error of ±426.6%, with 80% of held-out values landing inside the 95% band.
+12%Change by 2029
2.4Projected 2029 index
0.00–5.095% range
±426.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.3 | 0.00 | 4.8 |
| 2026 | 2.3 | 0.00 | 4.9 |
| 2027 | 2.3 | 0.00 | 4.9 |
| 2028 | 2.4 | 0.00 | 4.9 |
| 2029 | 2.4 | 0.00 | 5.0 |
Roseate Spoonbill Survey Routes in Louisiana
| Maurice | 30 | 2024 | 1989 |
| Richard | 22 | 2024 | 2008 |
| Ltl Chenier 2 | 22 | 2010 | 2010 |
| Woodlawn | 20 | 2021 | 2008 |
| Esther | 15 | 2024 | 1989 |
| Forked Island | 13 | 2024 | 2008 |
| Forked Island 2 | 10 | 2011 | 2010 |
| Hackberry 2 | 9 | 2024 | 2018 |
| Creole | 8 | 1987 | 1980 |
| Keystone | 7 | 2013 | 1999 |
| Sabine Nwr | 6 | 2002 | 1992 |
| Ville Platte | 5 | 2019 | 1993 |
| Gibson | 4 | 2000 | 1999 |
| Kraemer | 4 | 2023 | 2009 |
| Berwick | 4 | 2016 | 2000 |
| Atchafalaya | 3 | 2013 | 1995 |
| Baton Rouge | 3 | 2011 | 2011 |
| Kaplan | 3 | 2022 | 1998 |
| Ramah | 2 | 2022 | 2008 |
| Sabine Nwr 2 | 2 | 2014 | 2009 |
| Ltl Chenier | 2 | 2018 | 1986 |
| Freetown | 1 | 2009 | 2008 |
| Gran Chenier | 1 | 1982 | 1973 |
| River Road | 1 | 2015 | 2015 |
| Tensas Nwr | 1 | 1987 | 1987 |
Roseate Spoonbill Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.