BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Snowy Egret In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauWetland birds

Snowy Egret in Southern Rockies / Colorado Plateau has collapsed: down 95% on the route-weighted index since 1970.

-95%Since 1970
9Routes In Region
39Years

Notable Signals

long arc declinecomputed index

Snowy Egret has collapsed in Southern Rockies / Colorado Plateau: down 95% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Snowy Egret in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.12). A 5-year backtest shows a typical error of ±87.5%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.00Projected 2029 index
0.00–0.1295% range
±87.5%Backtest error
19682029
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
20250.000.000.12
20260.000.000.12
20270.000.000.12
20280.000.000.12
20290.000.000.12

Routes In Southern Rockies / Colorado Plateau

Routes recording Snowy Egret in Southern Rockies / Colorado Plateau.
ValenciaNEW-MEXICO21982
MoffatCOLORADO11978
GuffeyCOLORADO12023
AlamosaCOLORADO12024
CortezCOLORADO11995
De BequeCOLORADO12001
AngoraCOLORADO12001
AnethUTAH12010
KamasUTAH12010

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