Species · BCR 31 · BBS 2025 Release · 1966–2024

Least Bittern In Peninsular Florida

Least Bittern in Peninsular Florida has fallen sharply: down 67% on the route-weighted index since 1968.

-67%Since 1968
32Routes In Region
54Years

Notable Signals

long arc declinecomputed index

Least Bittern has fallen sharply in Peninsular Florida: down 67% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Least Bittern in Peninsular Florida is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.69). A 5-year backtest shows a typical error of ±50.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.00Projected 2029 index
0.000.6995% range
±50.6%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
20250.000.000.70
20260.000.000.69
20270.000.000.69
20280.000.000.69
20290.000.000.69

Routes In Peninsular Florida

Routes recording Least Bittern in Peninsular Florida.
AndytownFLORIDA191998
Wildernes PkFLORIDA72014
WebbFLORIDA32018
Myakka HeadFLORIDA21987
ScottsmoorFLORIDA21992
AlvaFLORIDA22010
Punta GordaFLORIDA21980
CorbettFLORIDA22022
MicanopyFLORIDA11987
MabelFLORIDA12004
PinecrestFLORIDA12017
IndiantownFLORIDA12000
SalvistaFLORIDA11969
BrowardFLORIDA11973
Plantation KFLORIDA11966
Winter GardnFLORIDA11997
Pleasant GrFLORIDA11993
ShawanoFLORIDA12001
HomesteadFLORIDA12018
Devils GardnFLORIDA12012
PalmdaleFLORIDA12004
AripekaFLORIDA11993
Weaver StnFLORIDA11991
Citrus ParkFLORIDA11994
Lake BuffumFLORIDA12006

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