Species · Louisiana · BBS 2025 Release · 1966–2024

Indigo Bunting Population Trend in Louisiana

Indigo Bunting in Louisiana has surged: up 149% on the route-weighted index since 1969.

+149%Since 1969
94Routes In State
57Years

Notable Indigo Bunting Trends in Louisiana

long arc increasecomputed index

Indigo Bunting has surged in Louisiana: up 149% on the route-weighted index since 1969.

Indigo Bunting Population Forecast in Louisiana

If the recent trend holds, Indigo Bunting in Louisiana is projected to fall about 18% by 2029 — from 19 in 2024 to a central estimate of 15 (95% range 9.7–21). A 5-year backtest shows a typical error of ±21.1%, with 80% of held-out values landing inside the 95% band.

-18%Change by 2029
15Projected 2029 index
9.72195% range
±21.1%Backtest error
19672029
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
2025159.320
2026159.420
2027159.521
2028159.621
2029159.721

Indigo Bunting Survey Routes in Louisiana

Routes recording Indigo Bunting in Louisiana.
Tensas Nwr6020241987
Frogmore5420241998
Shaw4820241967
Many4619921989
Mayflower4420241967
Ivan 24320162014
Carterville4019921992
Womack3920241999
Hargis3920112005
Transylvania3520221998
Evelyn3520242004
Linville3420241998
Natchez3320241992
Goodwill3320242004
Mount Union3220241998
Clay3120241968
Enterprise3120242006
Marion3019961988
Rayville 23020242009
Trout2920241988
Derry 22820241990
Ivan2820131998
Fort Jessup2720231998
Flat Creek2520241998
Concord2520192006

Indigo Bunting Population Trend in Other States

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