BirdAnalyst
Species · Tennessee · BBS 2025 Release · 1966–2024

Rose-breasted Grosbeak Population Trend in Tennessee

All statesGeneralists

Rose-breasted Grosbeak in Tennessee has surged: up 84% on the route-weighted index since 1979.

+84%Since 1979
7Routes In State
31Years

Notable Rose-breasted Grosbeak Trends in Tennessee

long arc increasecomputed index

Rose-breasted Grosbeak has surged in Tennessee: up 84% on the route-weighted index since 1979.

Rose-breasted Grosbeak Population Forecast in Tennessee

If the recent trend holds, Rose-breasted Grosbeak in Tennessee is projected to stay roughly flat through 2029, near 0.09 (95% range 0.02–0.15). A 5-year backtest shows a typical error of ±50.5%, with 100% of held-out values landing inside the 95% band.

-5%Change by 2029
0.09Projected 2029 index
0.02–0.1595% range
±50.5%Backtest error
19742029
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
20250.080.010.15
20260.080.020.15
20270.090.020.15
20280.090.020.15
20290.090.020.15

Rose-breasted Grosbeak Survey Routes in Tennessee

Routes recording Rose-breasted Grosbeak in Tennessee.
Newfound Gap220241990
Cades Cove220042004
Fish Springs220231974
Willis Sprng120182018
Mecca119971997
Tellico120211995
Elk Valley120211979

Rose-breasted Grosbeak Population Trend in Other States

arkansasconnecticutgeorgiaillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-dakotavermontvirginiawest-virginiawisconsinwyoming

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