BirdAnalyst
Species · BCR 27 · BBS 2025 Release · 1966–2024

Black-throated Green Warbler In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainForest birds

Black-throated Green Warbler in Southeastern Coastal Plain has collapsed: down 77% on the route-weighted index since 1974.

-77%Since 1974
16Routes In Region
31Years

Notable Signals

No notable trend signals for Black-throated Green Warbler in Southeastern Coastal Plain. See the full index history below.

Forecast

If the recent trend holds, Black-throated Green Warbler in Southeastern Coastal Plain is projected to stay roughly flat through 2027, near 0.00 (95% range 0.00–0.02). A 5-year backtest shows a typical error of ±34.4%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2027
0.00Projected 2027 index
0.00–0.0295% range
±34.4%Backtest error
19682027
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
20230.010.000.02
20240.000.000.02
20250.000.000.02
20260.000.000.02
20270.000.000.02

Routes In Southeastern Coastal Plain

Routes recording Black-throated Green Warbler in Southeastern Coastal Plain.
MashoesNORTH-CAROLINA21982
CornlandVIRGINIA21975
HowardALABAMA12011
VernonALABAMA12010
ShallotteNORTH-CAROLINA11984
ArapahoeNORTH-CAROLINA11992
BeargrassNORTH-CAROLINA11981
KinstonNORTH-CAROLINA11981
SupplyNORTH-CAROLINA12022
Milltail CrNORTH-CAROLINA12019
JamesvilleNORTH-CAROLINA11983
NewportNORTH-CAROLINA12005
MattamuskeetNORTH-CAROLINA12006
Broad CreekNORTH-CAROLINA12015
JamestownSOUTH-CAROLINA11989
Dismal SwampVIRGINIA12011

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