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Species · Kentucky · BBS 2025 Release · 1966–2024

Yellow-crowned Night Heron Population Trend in Kentucky

All statesWetland birds

Yellow-crowned Night Heron in Kentucky has increased: up 33% on the route-weighted index since 1974.

+33%Since 1974TrendPercent 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 →
10Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
14YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Yellow-crowned Night Heron Trends in KentuckyNotable 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 Yellow-crowned Night Heron in Kentucky. See the full index history below.

Yellow-crowned Night Heron Survey Routes in Kentucky

Routes recording Yellow-crowned Night Heron in Kentucky.
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 →
Lovelacevile320011967
Drakesboro119881988
Shiloh119911991
Daniel Boone119811981
Dixie119831983
Joy119981998
Bardwell119821967
Morganfield120242022
Million119791975
Gatewood119741972

Yellow-crowned Night Heron Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianakansaslouisianamarylandmississippimissourinew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniasouth-carolinatennesseetexasvirginiawest-virginia

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