BirdAnalyst
Species · BCR 12 · BBS 2025 Release · 1966–2024

Yellow Rail In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionWetland birds

Yellow Rail in Boreal Hardwood Transition has held roughly steady: down 1% on the route-weighted index since 1981.

-1%Since 1981TrendPercent 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 →
5Routes 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 →
17YearsYears 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 Yellow Rail in Boreal Hardwood Transition. See the full index history below.

Routes In Boreal Hardwood Transition

Routes recording Yellow Rail in Boreal Hardwood Transition.
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 →
Seney NwrMICHIGAN12007
BackusMINNESOTA11993
Little ForkMINNESOTA11969
BrainerdMINNESOTA12008
GreenbushMINNESOTA12024

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