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

Northern Parula In Piedmont

All regionsPiedmontForest birds

Northern Parula in Piedmont has surged: up 377% on the route-weighted index since 1968.

+377%Since 1968
143Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Northern Parula has surged in Piedmont: up 377% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Northern Parula in Piedmont is projected to fall about 12% by 2029 — from 2.7 in 2024 to a central estimate of 2.4 (95% range 1.7–3.0). A 5-year backtest shows a typical error of ±20.2%, with 40% of held-out values landing inside the 95% band.

-12%Change by 2029
2.4Projected 2029 index
1.7–3.095% range
±20.2%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
20252.21.62.9
20262.31.62.9
20272.31.63.0
20282.31.73.0
20292.41.73.0

Routes In Piedmont

Routes recording Northern Parula in Piedmont.
Liberty City 2ALABAMA152024
WedoweeALABAMA132023
Piedmont NwrGEORGIA122003
GuptonNORTH-CAROLINA122024
MillervilleALABAMA102024
EarltonMARYLAND102024
BullockNORTH-CAROLINA102024
OsmondNORTH-CAROLINA102024
Nixburg 2ALABAMA92024
Liberty CityALABAMA82011
JulietteGEORGIA82024
WhitesburgGEORGIA82024
WashingtonGEORGIA72024
MannboroVIRGINIA72024
LanettALABAMA62024
EdenNORTH-CAROLINA62024
Uwharrie NfNORTH-CAROLINA62001
Salem XrdSOUTH-CAROLINA62019
Plum BranchSOUTH-CAROLINA62024
Church RoadVIRGINIA62024
RutledgeGEORGIA52024
Hollonville 2GEORGIA52022
Yates CrossroadsGEORGIA52024
Stoney PointGEORGIA52007
YoungsvilleNORTH-CAROLINA52024

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