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Species · Colorado · BBS 2025 Release · 1966–2024

Ladder-backed Woodpecker Population Trend in Colorado

All statesForest birds

Ladder-backed Woodpecker in Colorado has declined: down 34% on the route-weighted index since 2003.

-34%Since 2003TrendPercent 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 →
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 Ladder-backed Woodpecker Trends in ColoradoNotable 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 Ladder-backed Woodpecker in Colorado. See the full index history below.

Ladder-backed Woodpecker Survey Routes in Colorado

Routes recording Ladder-backed Woodpecker in Colorado.
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 →
Trinchera220212021
Gilpin220232016
Ninaview120242006
Villegreen120212003
Mica Butte119761974
Cone Mtn120162015

Ladder-backed Woodpecker Population Trend in Other States

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