BirdAnalyst
Species · BCR 17 · BBS 2025 Release · 1966–2024

Great Blue Heron In Badlands and Prairies

All regionsBadlands and PrairiesWetland birds

Great Blue Heron in Badlands and Prairies has declined: down 29% on the route-weighted index since 1969.

-29%Since 1969
98Routes In Region
57Years

Notable Signals

No notable trend signals for Great Blue Heron in Badlands and Prairies. See the full index history below.

Forecast

If the recent trend holds, Great Blue Heron in Badlands and Prairies is projected to rise about 88% by 2029 — from 0.21 in 2024 to a central estimate of 0.40 (95% range 0.04–0.77). A 5-year backtest shows a typical error of ±67%, with 100% of held-out values landing inside the 95% band.

+88%Change by 2029
0.40Projected 2029 index
0.04–0.7795% range
±67%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
20250.410.040.77
20260.400.040.77
20270.400.040.77
20280.400.040.77
20290.400.040.77

Routes In Badlands and Prairies

Routes recording Great Blue Heron in Badlands and Prairies.
St XavierMONTANA102010
OttumwaSOUTH-DAKOTA72019
LuskWYOMING72000
BrandenbergMONTANA62015
WyarnoWYOMING62017
SeelyWYOMING52000
ChamberlainSOUTH-DAKOTA42011
HayesSOUTH-DAKOTA42021
WebsterMONTANA32016
Ft YatesNORTH-DAKOTA32003
CarsonNORTH-DAKOTA32023
WinnerSOUTH-DAKOTA32021
VolunteerSOUTH-DAKOTA32019
Soda WellWYOMING32019
FlatwillowMONTANA22008
ForsythMONTANA22018
PowdervilleMONTANA22022
LindsayMONTANA22018
BowmanNORTH-DAKOTA22024
Roubaix LkSOUTH-DAKOTA21989
MaurineSOUTH-DAKOTA22019
RevaSOUTH-DAKOTA22019
LacreekSOUTH-DAKOTA22023
PioneerSOUTH-DAKOTA22009
S. PioneerSOUTH-DAKOTA22021

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