BirdAnalyst
Species · BCR 29 · BBS 2025 Release · 1966–2024

Western Cattle-Egret In Piedmont

All regionsPiedmontWetland birds

Western Cattle-Egret in Piedmont has held roughly steady: up 7% on the route-weighted index since 1969.

+7%Since 1969TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
30Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
36YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Western Cattle-Egret in Piedmont. See the full index history below.

Western Cattle-Egret In Piedmont Population Forecast

If the recent trend holds, Western Cattle-Egret in Piedmont is projected to stay roughly flat through 2028, near 0.06 (95% range 0.00–0.74). A 5-year backtest shows a typical error of ±428.2%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2028TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.06Projected 2028 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.7495% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±428.2%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Western Cattle-Egret in Piedmont is projected to stay roughly flat through 2028, near 0.06 (95% range 0.00–0.74). A 5-year backtest shows a typical error of ±428.2%, with 100% of held-out values landing inside the 95% band.19672028
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20240.080.000.75
20250.070.000.75
20260.070.000.74
20270.070.000.74
20280.060.000.74

Routes In Piedmont

Routes recording Western Cattle-Egret in Piedmont.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
JulietteGEORGIA381981
EphrataPENNSYLVANIA301976
StockbridgeGEORGIA272002
GrovetownGEORGIA211992
RolandGEORGIA202006
Sporting HilPENNSYLVANIA141977
LanettALABAMA132007
Mount JoyPENNSYLVANIA121990
Liberty CityALABAMA101979
ProsperitySOUTH-CAROLINA101992
HollonvilleGEORGIA51976
BowdonGEORGIA41976
Upper XrdsMARYLAND31996
West GrovePENNSYLVANIA31979
ForsythGEORGIA22023
Van BibberMARYLAND21994
Mt GretnaPENNSYLVANIA21990
LabottPENNSYLVANIA21983
Little MtnSOUTH-CAROLINA21981
LincolntonGEORGIA12002
WashingtonGEORGIA12000
TheodoreMARYLAND11973
IjamsvilleMARYLAND12002
ArcolaNORTH-CAROLINA11997
CopelandNORTH-CAROLINA11968

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