BirdAnalyst
Species · BCR 37 · BBS 2025 Release · 1966–2024

Green Heron In Gulf Coastal Prairie

All regionsGulf Coastal PrairieWetland birds

Green Heron in Gulf Coastal Prairie has edged down: down 23% on the route-weighted index since 1969.

-23%Since 1969
46Routes In Region
57Years

Notable Signals

No notable trend signals for Green Heron in Gulf Coastal Prairie. See the full index history below.

Forecast

If the recent trend holds, Green Heron in Gulf Coastal Prairie is projected to rise about 13% by 2029 — from 3.4 in 2024 to a central estimate of 3.8 (95% range 1.3–6.3). A 5-year backtest shows a typical error of ±50.6%, with 100% of held-out values landing inside the 95% band.

+13%Change by 2029
3.8Projected 2029 index
1.3–6.395% range
±50.6%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
20253.81.36.3
20263.81.36.3
20273.81.36.3
20283.81.36.3
20293.81.36.3

Routes In Gulf Coastal Prairie

Routes recording Green Heron in Gulf Coastal Prairie.
JuniorLOUISIANA171991
Gran ChenierLOUISIANA171982
Ltl Chenier 2LOUISIANA132011
Forked IslandLOUISIANA132024
EstherLOUISIANA102024
Forked Island 2LOUISIANA102011
Sabine Nwr 2LOUISIANA92017
CreoleLOUISIANA81987
MamouLOUISIANA81982
WinnieTEXAS82024
Ltl ChenierLOUISIANA72024
Sabine NwrLOUISIANA62008
IndianolaTEXAS62024
ChinquapinTEXAS62024
Grand IsleLOUISIANA52019
Lag AtascosaTEXAS52024
HackberryLOUISIANA42016
Hinkles FerTEXAS42021
KatyTEXAS42024
Loyola BeachTEXAS42009
Oyster LakeTEXAS42024
LafitteLOUISIANA31991
Hackberry 2LOUISIANA32021
Port AcresTEXAS32024
PetronilaTEXAS21992

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