BirdAnalyst
Species · BCR 29 · BBS 2025 Release · 1966–2024

Summer Tanager In Piedmont

All regionsPiedmontGeneralists

Summer Tanager in Piedmont has risen sharply: up 72% on the route-weighted index since 1968.

+72%Since 1968
127Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Summer Tanager has risen sharply in Piedmont: up 72% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Summer Tanager in Piedmont is projected to stay roughly flat through 2029, near 4.5 (95% range 3.4–5.6). A 5-year backtest shows a typical error of ±11.4%, with 80% of held-out values landing inside the 95% band.

+2%Change by 2029
4.5Projected 2029 index
3.4–5.695% range
±11.4%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
20254.43.35.4
20264.43.35.5
20274.43.45.5
20284.53.45.5
20294.53.45.6

Routes In Piedmont

Routes recording Summer Tanager in Piedmont.
Liberty City 2ALABAMA292024
Piedmont NwrGEORGIA272003
Liberty CityALABAMA242011
Salem XrdSOUTH-CAROLINA222019
FinchleyVIRGINIA202021
RolandGEORGIA192024
Carrs StationGEORGIA182024
Lincolnton 2GEORGIA172024
BullockNORTH-CAROLINA162024
BrodnaxVIRGINIA152024
RutledgeGEORGIA142024
JulietteGEORGIA142024
ArcolaNORTH-CAROLINA142024
ProsperitySOUTH-CAROLINA132024
LanettALABAMA122024
BiscoeNORTH-CAROLINA122017
Uwharrie NfNORTH-CAROLINA122001
LowrysSOUTH-CAROLINA122021
WhitesburgGEORGIA112024
OakboroNORTH-CAROLINA112024
Little MtnSOUTH-CAROLINA111988
Nixburg 2ALABAMA102024
MaxeysGEORGIA102024
DurhamNORTH-CAROLINA102024
Cauthens XrdSOUTH-CAROLINA102021

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