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
0.005.095% range
±426.6%Backtest error
19732029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20252.30.004.8
20262.30.004.9
20272.30.004.9
20282.40.004.9
20292.40.005.0

Roseate Spoonbill Survey Routes in Louisiana

Routes recording Roseate Spoonbill in Louisiana.
Maurice3020241989
Richard2220242008
Ltl Chenier 22220102010
Woodlawn2020212008
Esther1520241989
Forked Island1320242008
Forked Island 21020112010
Hackberry 2920242018
Creole819871980
Keystone720131999
Sabine Nwr620021992
Ville Platte520191993
Gibson420001999
Kraemer420232009
Berwick420162000
Atchafalaya320131995
Baton Rouge320112011
Kaplan320221998
Ramah220222008
Sabine Nwr 2220142009
Ltl Chenier220181986
Freetown120092008
Gran Chenier119821973
River Road120152015
Tensas Nwr119871987

Roseate Spoonbill Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.