BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Great Blue Heron In Shortgrass Prairie

All regionsShortgrass PrairieWetland birds

Great Blue Heron in Shortgrass Prairie has edged up: up 12% on the route-weighted index since 1970.

+12%Since 1970
81Routes In Region
56Years

Notable Signals

No notable trend signals for Great Blue Heron in Shortgrass Prairie. See the full index history below.

Forecast

If the recent trend holds, Great Blue Heron in Shortgrass Prairie is projected to rise about 82% by 2029 — from 0.20 in 2024 to a central estimate of 0.37 (95% range 0.01–0.74). A 5-year backtest shows a typical error of ±172.6%, with 100% of held-out values landing inside the 95% band.

+82%Change by 2029
0.37Projected 2029 index
0.01–0.7495% range
±172.6%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
20250.360.000.73
20260.370.000.73
20270.370.010.73
20280.370.010.73
20290.370.010.74

Routes In Shortgrass Prairie

Routes recording Great Blue Heron in Shortgrass Prairie.
FlemingCOLORADO92003
Wildhorse LCOLORADO52000
MaxwellNEW-MEXICO52023
GilpinCOLORADO42016
HudsonCOLORADO32024
GroverCOLORADO32013
HaswellCOLORADO31999
NeegrandeCOLORADO32019
FlaglerCOLORADO32003
ElbertCOLORADO32019
Murray LakeNEBRASKA32024
CrawfordNEBRASKA32024
FrionaTEXAS32001
PinneoCOLORADO21993
VillegreenCOLORADO22019
Prospect ValCOLORADO21998
WinonaKANSAS22017
Agate 2NEBRASKA22024
Hay SpringsNEBRASKA22024
Cooley LakeNEW-MEXICO22001
HardestyOKLAHOMA22007
CircleTEXAS22012
DalhartTEXAS22019
BriggsdaleCOLORADO11994
KiowaCOLORADO12017

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