BirdAnalyst
Species · BCR 21 · BBS 2025 Release · 1966–2024

Little Blue Heron In Oaks and Prairies

All regionsOaks and PrairiesWetland birds

Little Blue Heron in Oaks and Prairies has fallen sharply: down 52% on the route-weighted index since 1969.

-52%Since 1969
66Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Little Blue Heron has fallen sharply in Oaks and Prairies: down 52% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Little Blue Heron in Oaks and Prairies is projected to fall about 98% by 2029 — from 0.40 in 2024 to a central estimate of 0.01 (95% range 0.00–2.2). A 5-year backtest shows a typical error of ±118.8%, with 100% of held-out values landing inside the 95% band.

-98%Change by 2029
0.01Projected 2029 index
0.00–2.295% range
±118.8%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
20250.230.002.4
20260.170.002.3
20270.120.002.3
20280.060.002.2
20290.010.002.2

Routes In Oaks and Prairies

Routes recording Little Blue Heron in Oaks and Prairies.
Massey LakeTEXAS162024
Three RiversTEXAS112018
Peach CreekTEXAS81984
LocoOKLAHOMA51985
Oak GroveTEXAS51999
Wolfe CityTEXAS51987
Oak Grove 2TEXAS52023
Glen RoseTEXAS41996
AlbanyTEXAS41986
SkiatookOKLAHOMA32012
OlaTEXAS32023
GrafordTEXAS32018
SadlerTEXAS32022
ChoctawOKLAHOMA22008
NobleOKLAHOMA22021
BarnsdallOKLAHOMA21977
DuncanOKLAHOMA22016
Arenosa CrkTEXAS22013
MuldoonTEXAS22009
GauseTEXAS21993
ThorntonTEXAS21982
DallasTEXAS22016
DikeTEXAS22009
Thornton 2TEXAS22010
FanninTEXAS22005

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