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
0.00–0.5695% range
±524%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.56 |
| 2026 | 0.00 | 0.00 | 0.56 |
| 2027 | 0.00 | 0.00 | 0.56 |
| 2028 | 0.00 | 0.00 | 0.56 |
| 2029 | 0.00 | 0.00 | 0.56 |
Pied-billed Grebe Survey Routes in Florida
| Devils Gardn | 4 | 1996 | 1996 |
| Webb | 3 | 1991 | 1991 |
| Holey Land | 3 | 2009 | 1997 |
| Winter Gardn | 3 | 2007 | 2007 |
| Sandy | 3 | 1996 | 1989 |
| Lake Buffum | 2 | 2005 | 1987 |
| Ft Waltn Bch | 2 | 1990 | 1989 |
| Punta Gorda | 2 | 1980 | 1980 |
| Covington | 2 | 1987 | 1967 |
| Corbett | 2 | 2012 | 1989 |
| Scottsmoor | 2 | 1990 | 1969 |
| Sunniland Gr | 2 | 1969 | 1966 |
| Ft Lonesome | 2 | 2005 | 2005 |
| Kenansville | 2 | 2003 | 1968 |
| Salvista | 2 | 1971 | 1969 |
| Tamiami | 2 | 1974 | 1966 |
| Flemington | 2 | 1993 | 1992 |
| Miccosukee | 1 | 2024 | 2024 |
| Lovedale | 1 | 2009 | 1987 |
| Croom | 1 | 2005 | 1998 |
| Wildernes Pk | 1 | 2012 | 1992 |
| Belmont | 1 | 2009 | 1992 |
| Romeo | 1 | 1995 | 1995 |
| St Augustine | 1 | 1967 | 1967 |
| Merritt Isl | 1 | 2004 | 1992 |
Pied-billed Grebe Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.