BirdAnalyst
Species · BCR 26 · BBS 2025 Release · 1966–2024

Green Heron In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyWetland birds

Green Heron in Mississippi Alluvial Valley has edged up: up 19% on the route-weighted index since 1969.

+19%Since 1969
70Routes In Region
57Years

Notable Signals

No notable trend signals for Green Heron in Mississippi Alluvial Valley. See the full index history below.

Forecast

If the recent trend holds, Green Heron in Mississippi Alluvial Valley is projected to rise about 15% by 2029 — from 1.2 in 2024 to a central estimate of 1.4 (95% range 0.36–2.4). A 5-year backtest shows a typical error of ±79%, with 100% of held-out values landing inside the 95% band.

+15%Change by 2029
1.4Projected 2029 index
0.36–2.495% range
±79%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
20251.40.382.5
20261.40.382.5
20271.40.372.4
20281.40.372.4
20291.40.362.4

Routes In Mississippi Alluvial Valley

Routes recording Green Heron in Mississippi Alluvial Valley.
GibsonLOUISIANA122019
ShawLOUISIANA72024
Baton RougeLOUISIANA72024
South BendARKANSAS62023
Eagle LakeMISSISSIPPI62024
BerwickLOUISIANA42018
Rayville 2LOUISIANA42024
River RoadLOUISIANA42023
AugustaARKANSAS32001
MaynardARKANSAS32024
LaroseLOUISIANA31992
RamahLOUISIANA32024
SaffellARKANSAS22019
EnglandARKANSAS22023
UlmARKANSAS22008
BardwellKENTUCKY22003
Morgan CityLOUISIANA21986
KeystoneLOUISIANA22013
GonzalesLOUISIANA22011
BelairLOUISIANA22024
KraemerLOUISIANA22024
DelhiLOUISIANA22019
IsolaMISSISSIPPI22022
TippoMISSISSIPPI22012
TallahatchieMISSISSIPPI22018

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