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

Blue-gray Gnatcatcher In Piedmont

All regionsPiedmontForest birds

Blue-gray Gnatcatcher in Piedmont has surged: up 465% on the route-weighted index since 1968.

+465%Since 1968
166Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Blue-gray Gnatcatcher has surged in Piedmont: up 465% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Blue-gray Gnatcatcher in Piedmont is projected to rise about 23% by 2029 — from 9.0 in 2024 to a central estimate of 11 (95% range 9.0–13). A 5-year backtest shows a typical error of ±24.8%, with 40% of held-out values landing inside the 95% band.

+23%Change by 2029
11Projected 2029 index
9.0–1395% range
±24.8%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
2025108.412
2026118.513
2027118.713
2028118.913
2029119.013

Routes In Piedmont

Routes recording Blue-gray Gnatcatcher in Piedmont.
Salem XrdSOUTH-CAROLINA352019
OakboroNORTH-CAROLINA282024
AmherstVIRGINIA282024
Uwharrie NfNORTH-CAROLINA262001
WhitmireSOUTH-CAROLINA242024
Church RoadVIRGINIA242024
OsmondNORTH-CAROLINA232024
Big IslandVIRGINIA232024
MannboroVIRGINIA232024
WylliesburgVIRGINIA232019
EdenNORTH-CAROLINA222024
Pw Forest PkVIRGINIA222009
JordanNORTH-CAROLINA212024
GuptonNORTH-CAROLINA212024
Liberty City 2ALABAMA202024
WhitesburgGEORGIA202024
OlneyMARYLAND192024
WedoweeALABAMA182023
GoldstonNORTH-CAROLINA182022
MoranVIRGINIA182024
EarltonMARYLAND172024
IjamsvilleMARYLAND162024
DurhamNORTH-CAROLINA162024
OwingsSOUTH-CAROLINA162004
Liberty CityALABAMA152011

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