Species · BCR 22 · BBS 2025 Release · 1966–2024

Great Egret In Eastern Tallgrass Prairie

Great Egret in Eastern Tallgrass Prairie has surged: up 117% on the route-weighted index since 1968.

+117%Since 1968
93Routes In Region
50Years

Notable Signals

long arc increasecomputed index

Great Egret has surged in Eastern Tallgrass Prairie: up 117% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Great Egret in Eastern Tallgrass Prairie is projected to rise about 25% by 2029 — from 0.30 in 2024 to a central estimate of 0.37 (95% range 0.01–0.73). A 5-year backtest shows a typical error of ±160%, with 100% of held-out values landing inside the 95% band.

+25%Change by 2029
0.37Projected 2029 index
0.010.7395% range
±160%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
20250.350.000.71
20260.360.000.72
20270.360.010.72
20280.370.010.73
20290.370.010.73

Routes In Eastern Tallgrass Prairie

Routes recording Great Egret in Eastern Tallgrass Prairie.
GulfportILLINOIS1272013
BelleviewILLINOIS362024
Rock CreekKANSAS292014
ShannonILLINOIS141993
KeetonvilleOKLAHOMA142022
ChandlervillILLINOIS121974
Mt VernonILLINOIS82006
Trading PostKANSAS82024
Lake SummersetILLINOIS72008
Mascoutah LkILLINOIS52023
New PointMISSOURI52022
EldredILLINOIS42004
YorkvilleILLINOIS42018
GeneseoILLINOIS32014
PawneeILLINOIS32000
SenecaILLINOIS32013
Duncan MillsILLINOIS32002
GaryINDIANA31998
HebronINDIANA31996
BryantIOWA32016
Sioux CityIOWA32016
MelroseKANSAS32023
WrefordKANSAS32014
RockinghamMISSOURI32018
NorborneMISSOURI32022

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