BirdAnalyst
Species · BCR 13 · BBS 2025 Release · 1966–2024

Fish Crow In Lower Great Lakes / St. Lawrence Plain

All regionsLower Great Lakes / St. Lawrence PlainGeneralists

Fish Crow in Lower Great Lakes / St. Lawrence Plain has surged: up 102% on the route-weighted index since 1993.

+102%Since 1993TrendPercent 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 →
12Routes 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 →
16YearsYears 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Fish Crow has surged in Lower Great Lakes / St. Lawrence Plain: up 102% on the route-weighted index since 1993.

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Fish Crow 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 →
Cicero CtrNEW-YORK42024
RhinebeckNEW-YORK32022
W ShokanNEW-YORK21993
AusterlitzNEW-YORK21987
CatskillsNEW-YORK22004
GhentNEW-YORK22024
BristolVERMONT22016
HighlandNEW-YORK12021
MacdougallNEW-YORK12022
TrumansburgNEW-YORK12018
BranchportNEW-YORK12021
CrescentNEW-YORK12023

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