Species · Indiana · BBS 2025 Release · 1966–2024

Summer Tanager Population Trend in Indiana

Summer Tanager in Indiana has increased: up 27% on the route-weighted index since 1968.

+27%Since 1968
35Routes In State
58Years

Notable Summer Tanager Trends in Indiana

No notable trend signals for Summer Tanager in Indiana. See the full index history below.

Summer Tanager Population Forecast in Indiana

If the recent trend holds, Summer Tanager in Indiana is projected to rise about 39% by 2029 — from 0.67 in 2024 to a central estimate of 0.94 (95% range 0.46–1.4). A 5-year backtest shows a typical error of ±21.8%, with 100% of held-out values landing inside the 95% band.

+39%Change by 2029
0.94Projected 2029 index
0.461.495% range
±21.8%Backtest error
19662029
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
20250.930.451.4
20260.930.451.4
20270.930.461.4
20280.940.461.4
20290.940.461.4

Summer Tanager Survey Routes in Indiana

Routes recording Summer Tanager in Indiana.
Cumback920211966
Celestine820241980
Azalia520231982
Clear Spring520241981
New Phila420241982
Pimento320242003
Indian Spgs320241983
Corydon320241966
Scottsburg220241982
New Castle220172016
Georgia220241999
Hebron120021995
Hoosier120211990
Kewanna120132013
Indiana Dune120082008
Kankakee Sands120052004
Fowler120122012
W Lafayette120142003
Galveston120102010
Brazil120211970
Belmont120211981
Spencer120161970
Sexton120241981
Milroy119921969
Brookville120241970

Summer Tanager Population Trend in Other States

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