Species · Florida · BBS 2025 Release · 1966–2024

Pied-billed Grebe Population Trend in Florida

Pied-billed Grebe in Florida has collapsed: down 89% on the route-weighted index since 1968.

-89%Since 1968
51Routes In State
53Years

Notable Pied-billed Grebe Trends in Florida

long arc declinecomputed index

Pied-billed Grebe has collapsed in Florida: down 89% on the route-weighted index since 1968.

Pied-billed Grebe Population Forecast in Florida

If the recent trend holds, Pied-billed Grebe in Florida is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.56). A 5-year backtest shows a typical error of ±524%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.00Projected 2029 index
0.000.5695% range
±524%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
20250.000.000.56
20260.000.000.56
20270.000.000.56
20280.000.000.56
20290.000.000.56

Pied-billed Grebe Survey Routes in Florida

Routes recording Pied-billed Grebe in Florida.
Devils Gardn419961996
Webb319911991
Holey Land320091997
Winter Gardn320072007
Sandy319961989
Lake Buffum220051987
Ft Waltn Bch219901989
Punta Gorda219801980
Covington219871967
Corbett220121989
Scottsmoor219901969
Sunniland Gr219691966
Ft Lonesome220052005
Kenansville220031968
Salvista219711969
Tamiami219741966
Flemington219931992
Miccosukee120242024
Lovedale120091987
Croom120051998
Wildernes Pk120121992
Belmont120091992
Romeo119951995
St Augustine119671967
Merritt Isl120041992

Pied-billed Grebe Population Trend in Other States

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