BirdAnalyst
Species · BCR 22 · BBS 2025 Release · 1966–2024

Summer Tanager In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieGeneralists

Summer Tanager in Eastern Tallgrass Prairie has surged: up 736% on the route-weighted index since 1968.

+736%Since 1968
144Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Summer Tanager has surged in Eastern Tallgrass Prairie: up 736% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Summer Tanager in Eastern Tallgrass Prairie is projected to fall about 15% by 2029 — from 0.97 in 2024 to a central estimate of 0.83 (95% range 0.53–1.1). A 5-year backtest shows a typical error of ±39.3%, with 0% of held-out values landing inside the 95% band.

-15%Change by 2029
0.83Projected 2029 index
0.53–1.195% range
±39.3%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
20250.780.471.1
20260.790.481.1
20270.800.501.1
20280.810.511.1
20290.830.531.1

Routes In Eastern Tallgrass Prairie

Routes recording Summer Tanager in Eastern Tallgrass Prairie.
FilleyMISSOURI172024
HuntsvilleMISSOURI122024
UnionMISSOURI111999
Trading PostKANSAS102024
BelleviewILLINOIS92024
WrefordKANSAS82024
OhioMISSOURI72024
MoselleMISSOURI72024
GrantvilleKANSAS62022
BucyrusKANSAS62024
MilfordMISSOURI62024
KeetonvilleOKLAHOMA62022
Mascoutah LkILLINOIS52024
KearneyMISSOURI52024
ElmoMISSOURI52023
GeraldMISSOURI52024
St MorganILLINOIS42022
DoverKANSAS42022
SenecaKANSAS42022
Le LoupKANSAS42021
OlsburgKANSAS42024
MadisonMISSOURI42023
FrazierMISSOURI42024
GildehouseMISSOURI41989
WestonMISSOURI42021

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