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Species · New Hampshire · BBS 2025 Release · 1966–2024

Bicknell's Thrush Population Trend in New Hampshire

All statesForest birds

Bicknell's Thrush in New Hampshire has held roughly steady: up 1% on the route-weighted index since 1969.

+1%Since 1969TrendPercent 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 →
4Routes 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 →
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 Bicknell's Thrush Trends in New HampshireNotable 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 Bicknell's Thrush in New Hampshire. See the full index history below.

Bicknell's Thrush Survey Routes in New Hampshire

Routes recording Bicknell's Thrush in New Hampshire.
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 →
Crawford Not119721968
Milan119781978
Stratford119691969
Dixvil Notch119851967

Bicknell's Thrush Population Trend in Other States

maine

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