Species · BCR 24 · BBS 2025 Release · 1966–2024

Green Heron In Central Hardwoods

Green Heron in Central Hardwoods has collapsed: down 78% on the route-weighted index since 1968.

-78%Since 1968
151Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Green Heron has collapsed in Central Hardwoods: down 78% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Green Heron in Central Hardwoods is projected to fall about 65% by 2029 — from 0.52 in 2024 to a central estimate of 0.18 (95% range 0.00–0.58). A 5-year backtest shows a typical error of ±22.8%, with 100% of held-out values landing inside the 95% band.

-65%Change by 2029
0.18Projected 2029 index
0.000.5895% range
±22.8%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
20250.290.000.69
20260.270.000.67
20270.240.000.64
20280.210.000.61
20290.180.000.58

Routes In Central Hardwoods

Routes recording Green Heron in Central Hardwoods.
PulaskiMISSOURI62015
Daniel BooneKENTUCKY51984
BelknapILLINOIS42024
Iron BridgeKENTUCKY41988
SedaliaMISSOURI42024
PeytonsvilleTENNESSEE42021
HillsboroALABAMA31996
Valhermoso Spg 2ALABAMA32014
TrianaALABAMA32012
RussellARKANSAS32021
BremenILLINOIS32024
YorkILLINOIS32024
CorydonINDIANA32024
PlumKENTUCKY32023
East UnionKENTUCKY32017
MincyMISSOURI32024
CampbellsvilleTENNESSEE32017
Indian Mound 2TENNESSEE32013
SwaimALABAMA22014
Wheeler DamALABAMA22022
ZionARKANSAS22022
FultonARKANSAS22018
PulaskiILLINOIS22022
RoyaltonILLINOIS22013
PimentoINDIANA22023

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