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

Prothonotary Warbler In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainForest birds

Prothonotary Warbler in Southeastern Coastal Plain has risen sharply: up 56% on the route-weighted index since 1968.

+56%Since 1968
313Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Prothonotary Warbler has risen sharply in Southeastern Coastal Plain: up 56% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Prothonotary Warbler in Southeastern Coastal Plain is projected to rise about 10% by 2029 — from 2.7 in 2024 to a central estimate of 3.0 (95% range 1.9–4.0). A 5-year backtest shows a typical error of ±65.3%, with 20% of held-out values landing inside the 95% band.

+10%Change by 2029
3.0Projected 2029 index
1.9–4.095% range
±65.3%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
20252.91.94.0
20263.01.94.0
20273.01.94.0
20283.01.94.0
20293.01.94.0

Routes In Southeastern Coastal Plain

Routes recording Prothonotary Warbler in Southeastern Coastal Plain.
Dismal SwampVIRGINIA1002016
Milltail CrNORTH-CAROLINA842024
Gainestown FerryALABAMA472015
Dismal SwampNORTH-CAROLINA282024
MashoesNORTH-CAROLINA271982
Broad CreekNORTH-CAROLINA232024
Sprott-Cahaba RivALABAMA182014
EpesALABAMA142024
Broad BranchFLORIDA132024
Sheep RidgeNORTH-CAROLINA132024
Chacaloochee BayALABAMA122019
Miller XrdsFLORIDA122019
Alligator PtFLORIDA122024
ApalachicolaFLORIDA122024
ShallotteNORTH-CAROLINA121991
SupplyNORTH-CAROLINA122024
Maple HillNORTH-CAROLINA112023
PungoVIRGINIA112024
DortchesNORTH-CAROLINA102024
NewsomsVIRGINIA102024
MansfieldTENNESSEE92024
CorinthMISSISSIPPI82024
MontagueNORTH-CAROLINA82024
Old TrapNORTH-CAROLINA82024
BentonMISSISSIPPI72024

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