Species · BCR 28 · BBS 2025 Release · 1966–2024

Great Egret In Appalachian Mountains

Great Egret in Appalachian Mountains has surged: up 868% on the route-weighted index since 1972.

+868%Since 1972
32Routes In Region
39Years

Notable Signals

long arc increasecomputed index

Great Egret has surged in Appalachian Mountains: up 868% on the route-weighted index since 1972.

Forecast

If the recent trend holds, Great Egret in Appalachian Mountains is projected to rise about 148% by 2029 — from 0.06 in 2024 to a central estimate of 0.16 (95% range 0.00–0.35). A 5-year backtest shows a typical error of ±177.9%, with 100% of held-out values landing inside the 95% band.

+148%Change by 2029
0.16Projected 2029 index
0.000.3595% range
±177.9%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
20250.150.000.34
20260.150.000.34
20270.150.000.35
20280.150.000.35
20290.160.000.35

Routes In Appalachian Mountains

Routes recording Great Egret in Appalachian Mountains.
RiversideALABAMA372013
ShannonGEORGIA81995
StevensonALABAMA62024
GreensportALABAMA42024
Jefferson CtyTENNESSEE32006
MartinsburgWEST-VIRGINIA32013
TalladegaALABAMA22024
Brunnerville 2PENNSYLVANIA22011
SummittALABAMA11967
Pine GroveALABAMA12024
Sunny EveALABAMA11990
Smyer LakeALABAMA12023
MaytownALABAMA12013
GuntersvilleALABAMA12017
ChildersburgALABAMA11998
OdenvilleALABAMA12001
BrooksvilleALABAMA12012
LakeviewALABAMA12008
ChoccoloccoALABAMA12019
KymulgaALABAMA12023
DoverNEW-JERSEY12018
RamseysburgNEW-JERSEY11998
MifflintownPENNSYLVANIA12000
MiddletownPENNSYLVANIA12006
BrunnervillePENNSYLVANIA12003

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