BirdAnalyst
Species · BCR 12 · BBS 2025 Release · 1966–2024

Scarlet Tanager In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionGeneralists

Scarlet Tanager in Boreal Hardwood Transition has declined: down 34% on the route-weighted index since 1968.

-34%Since 1968
127Routes In Region
58Years

Notable Signals

No notable trend signals for Scarlet Tanager in Boreal Hardwood Transition. See the full index history below.

Forecast

If the recent trend holds, Scarlet Tanager in Boreal Hardwood Transition is projected to fall about 11% by 2029 — from 1.8 in 2024 to a central estimate of 1.6 (95% range 0.71–2.5). A 5-year backtest shows a typical error of ±8.2%, with 100% of held-out values landing inside the 95% band.

-11%Change by 2029
1.6Projected 2029 index
0.71–2.595% range
±8.2%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
20251.70.802.5
20261.60.782.5
20271.60.762.5
20281.60.732.5
20291.60.712.5

Routes In Boreal Hardwood Transition

Routes recording Scarlet Tanager in Boreal Hardwood Transition.
Union TwpWISCONSIN262024
Sand LakeMICHIGAN92024
HermanMICHIGAN52022
CunardMICHIGAN52021
Bear LakeMICHIGAN52024
Brush CreekMICHIGAN52016
Cedar RunMICHIGAN51999
Scott'S MarshMICHIGAN52010
Land O LakesWISCONSIN52013
CavourWISCONSIN52024
Pleasant ValMICHIGAN41997
IronsMICHIGAN41989
RacoMICHIGAN42024
Beaver LakeMICHIGAN42011
HarriettaMICHIGAN42024
Walloon Lake 2MICHIGAN42024
Hiawatha NfMICHIGAN42024
SidnawMICHIGAN42024
BemidjiMINNESOTA41980
DebsMINNESOTA42024
Cass LakeMINNESOTA42016
ShanagoldenWISCONSIN42022
HollisterWISCONSIN42023
Washington IWISCONSIN42024
Land O' Lakes 2WISCONSIN42022

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