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Species · Alaska · BBS 2025 Release · 1966–2024

Black-backed Woodpecker Population Trend in Alaska

All statesForest birds

Black-backed Woodpecker in Alaska has surged: up 182% on the route-weighted index since 2000.

+182%Since 2000TrendPercent 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 →
18Routes 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 Black-backed Woodpecker Trends in AlaskaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Black-backed Woodpecker has surged in Alaska: up 182% on the route-weighted index since 2000.

Black-backed Woodpecker Survey Routes in Alaska

Routes recording Black-backed Woodpecker in Alaska.
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 →
Chichagof Is419951995
Seven Lakes320172017
Circle220132012
Mt. Fairplay220222022
Tower Bluffs220222022
Mud River220041996
Northway220222015
Ft. Richrdsn220072007
Dillingham220172017
Moose Creek120122012
Birch Lake120222022
Livengood120212021
Slana120222017
Chena Hot Spring 2120072002
Coldfoot120122007
Donelly Dome120222022
Hather Creek120032000
Kalifonsky120222022

Black-backed Woodpecker Population Trend in Other States

californiaidahomainemichiganminnesotamontananew-hampshirenew-yorkoregonsouth-dakotawashingtonwisconsinwyoming

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