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Species · Michigan · BBS 2025 Release · 1966–2024

Black-backed Woodpecker Population Trend in Michigan

All statesForest birds

Black-backed Woodpecker in Michigan has declined: down 28% on the route-weighted index since 1979.

-28%Since 1979TrendPercent 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 →
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 Black-backed Woodpecker Trends in MichiganNotable 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 Black-backed Woodpecker in Michigan. See the full index history below.

Black-backed Woodpecker Survey Routes in Michigan

Routes recording Black-backed Woodpecker in Michigan.
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 →
Ontonagon119711971
Marenisco119951995
Ned Lake119961986
Raco120241978
Betchler Lks120222022
Seney Nwr120231992
Brocky Lake120082007
Shingleton120012001
Muskallonge120041988
Tahquamenon119801979

Black-backed Woodpecker Population Trend in Other States

alaskacaliforniaidahomaineminnesotamontananew-hampshirenew-yorkoregonsouth-dakotawashingtonwisconsinwyoming

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