BirdAnalyst
BBS Route · Washington · BCR 9

Index Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 18 species recorded across 1 survey years, no longer active.

18Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
1Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1997–1997Span
1Observers

Bird Species Found on Washington Index

Top 18 of 18 species by most recent count. Each links to its species trend.

Species recorded on the Index route.
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 →TrendPercent 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 →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Swainson's ThrushTurdidae351997n/an/a
Pacific WrenTroglodytidae271997n/an/a
American RobinTurdidae231997n/an/a
Varied ThrushTurdidae131997n/an/a
Hermit ThrushTurdidae81997n/an/a
Black-capped ChickadeeParidae61997n/an/a
Rufous HummingbirdTrochilidae31997n/an/a
Willow FlycatcherTyrannidae21997n/an/a
Violet-green SwallowHirundinidae21997n/an/a
Chestnut-backed ChickadeeParidae21997n/an/a
Hairy WoodpeckerPicidae11997n/an/a
Steller's JayCorvidae11997n/an/a
Common RavenCorvidae11997n/an/a
American CrowCorvidae11997n/an/a
Spotted TowheePasserellidae11997n/an/a
Yellow WarblerParulidae11997n/an/a
Black-throated Gray WarblerParulidae11997n/an/a
MacGillivray's WarblerParulidae11997n/an/a

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.