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Species · Kentucky · BBS 2025 Release · 1966–2024

Bell's Vireo Population Trend in Kentucky

All statesForest birds

Bell's Vireo in Kentucky has edged down: down 14% on the route-weighted index since 2011.

-14%Since 2011TrendPercent 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 →
6Routes 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 Bell's Vireo 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 Bell's Vireo in Kentucky. See the full index history below.

Bell's Vireo Survey Routes in Kentucky

Routes recording Bell's Vireo 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 →
Dixie120132013
Riverqueen120242010
Joy120232012
Dixon120242024
Apex120192009
Morganfield120242022

Bell's Vireo Population Trend in Other States

arizonaarkansascaliforniacoloradoillinoisindianaiowakansasmichiganminnesotamissourinebraskanevadanew-mexiconorth-dakotaohiooklahomasouth-dakotatexasutahwisconsin

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