Species · Indiana · BBS 2025 Release · 1966–2024

Scarlet Tanager Population Trend in Indiana

Scarlet Tanager in Indiana has surged: up 96% on the route-weighted index since 1968.

+96%Since 1968
60Routes In State
58Years

Notable Scarlet Tanager Trends in Indiana

long arc increasecomputed index

Scarlet Tanager has surged in Indiana: up 96% on the route-weighted index since 1968.

Scarlet Tanager Population Forecast in Indiana

If the recent trend holds, Scarlet Tanager in Indiana is projected to rise about 58% by 2029 — from 1.3 in 2024 to a central estimate of 2.1 (95% range 0.55–3.6). A 5-year backtest shows a typical error of ±71.5%, with 100% of held-out values landing inside the 95% band.

+58%Change by 2029
2.1Projected 2029 index
0.553.695% range
±71.5%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
20252.00.503.5
20262.00.523.5
20272.00.533.6
20282.10.543.6
20292.10.553.6

Scarlet Tanager Survey Routes in Indiana

Routes recording Scarlet Tanager in Indiana.
Hoosier2420241990
Georgia1220241999
Clear Spring420241981
Packertown320041967
Belmont320241981
Corydon320241966
Vevay320241966
Wallace320242000
Witts Station320242001
Cross Plains320241999
South Bend219831966
Middletown220021978
Pimento220221985
Brazil220151976
Friendswood220241988
Azalia220221982
Cumback220191966
Millersburg220121982
Indian Spgs220241983
Celestine220241979
New Phila220241982
Evansville220081974
Gary119921984
Hebron120021966
Knox120121989

Scarlet Tanager Population Trend in Other States

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