BirdAnalyst
Species · BCR 13 · BBS 2026 Release · 1966–2025

Great Egret In Lower Great Lakes / St. Lawrence Plain

All regionsLower Great Lakes / St. Lawrence PlainWetland birds

Great Egret in Lower Great Lakes / St. Lawrence Plain has surged: up 143% on the route-weighted index since 2007.

+143%Since 2007TrendPercent 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 →
9Routes 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 →
12YearsYears 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 Great Egret in Lower Great Lakes / St. Lawrence Plain. See the full index history below.

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Great Egret in Lower Great Lakes / St. Lawrence Plain.
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 →
OgdensburgNEW-YORK22024
PittsfieldOHIO22008
St JohnsburgNEW-YORK12025
West BangorNEW-YORK11998
Harris HillNEW-YORK12025
LenoxOHIO12007
EspyvillePENNSYLVANIA11996
Ferris CrnrsPENNSYLVANIA11996
Grand IsleVERMONT12024

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.