Species · BCR 19 · BBS 2025 Release · 1966–2024

Green Heron In Central Mixed Grass Prairie

Green Heron in Central Mixed Grass Prairie has held roughly steady: down 9% on the route-weighted index since 1969.

-9%Since 1969
81Routes In Region
57Years

Notable Signals

No notable trend signals for Green Heron in Central Mixed Grass Prairie. See the full index history below.

Forecast

If the recent trend holds, Green Heron in Central Mixed Grass Prairie is projected to rise about 11% by 2029 — from 0.07 in 2024 to a central estimate of 0.08 (95% range 0.00–0.26). A 5-year backtest shows a typical error of ±55.3%, with 100% of held-out values landing inside the 95% band.

+11%Change by 2029
0.08Projected 2029 index
0.000.2695% range
±55.3%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
20250.100.000.28
20260.090.000.27
20270.090.000.27
20280.090.000.26
20290.080.000.26

Routes In Central Mixed Grass Prairie

Routes recording Green Heron in Central Mixed Grass Prairie.
AlbertKANSAS61993
VerdenOKLAHOMA42017
SolomonKANSAS32010
Piester LakeNEBRASKA31976
ReedOKLAHOMA31996
Ft Sill EastOKLAHOMA31994
WeinertTEXAS31993
DaltonKANSAS22005
ColdwaterKANSAS21982
LeovilleKANSAS22012
LibertyNEBRASKA21981
KearneyNEBRASKA22022
StrattonNEBRASKA22018
HendleyNEBRASKA22023
DouglasOKLAHOMA22009
LookoutOKLAHOMA22022
WoodwardOKLAHOMA22017
ChildressTEXAS21983
HawleyTEXAS22007
Shields 2TEXAS22021
WellingtonKANSAS11991
CoatsKANSAS12009
AshlandKANSAS12017
ChapmanKANSAS11977
BuckeyeKANSAS12014

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