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

Pied-billed Grebe In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainWetland birds

Pied-billed Grebe in Southeastern Coastal Plain has declined: down 48% on the route-weighted index since 1971.

-48%Since 1971
35Routes In Region
47Years

Notable Signals

No notable trend signals for Pied-billed Grebe in Southeastern Coastal Plain. See the full index history below.

Forecast

If the recent trend holds, Pied-billed Grebe in Southeastern Coastal Plain is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±120.2%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.01Projected 2029 index
0.00–0.0595% range
±120.2%Backtest error
19672029
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
20250.010.000.05
20260.010.000.05
20270.010.000.05
20280.010.000.05
20290.010.000.05

Routes In Southeastern Coastal Plain

Routes recording Pied-billed Grebe in Southeastern Coastal Plain.
Myrtle GroveNORTH-CAROLINA112004
MerrimonNORTH-CAROLINA61984
Fort AdamsMISSISSIPPI51995
BostonGEORGIA32014
Dauphin IsALABAMA21978
Rock ChapelALABAMA22021
Ft Waltn BchFLORIDA21990
CovingtonFLORIDA21987
PittsGEORGIA21987
DickeyGEORGIA22017
WhitevilleTENNESSEE22004
HumboldtTENNESSEE22009
GreensboroALABAMA11997
CastleberryALABAMA12012
Alabama PtALABAMA11975
FairviewALABAMA11990
HoltALABAMA12007
MiccosukeeFLORIDA12024
BelmontFLORIDA12009
BettsFLORIDA12011
Hixtown SwmpFLORIDA12005
PinettaFLORIDA12021
LovedaleFLORIDA12009
Eglin A.F.B.FLORIDA12000
St Vincent IFLORIDA12010

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