BirdAnalyst
BBS Route · Washington · BCR 5

Rainier Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 28 survey years, still active.

96Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2025Span
4Observers

Bird Species Found on Washington Rainier

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Rainier 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
Spotted TowheePasserellidae772025+311%1995
American RobinTurdidae642025+154%1995
Violet-green SwallowHirundinidae512025-12%1995
Black-capped ChickadeeParidae492025+720%1995
Swainson's ThrushTurdidae452025-15%1995
Chestnut-backed ChickadeeParidae442025+67%1995
White-crowned SparrowPasserellidae382025+43%1995
Red-breasted NuthatchSittidae312025+170%1995
Willow FlycatcherTyrannidae302025+0%1995
American CrowCorvidae282025+18%1995
Western TanagerCardinalidae242025+94%1995
European StarlingSturnidae232025+1%1996
Song SparrowPasserellidae212025+97%1995
Black-headed GrosbeakCardinalidae182025+563%1995
Cedar WaxwingBombycillidae182025+95%1997
Purple FinchFringillidae162025+86%1996
Tree SwallowHirundinidae162019+272%1997
Cliff SwallowHirundinidae162018+111%2000
MallardAnatidae162013+700%2005
Common RavenCorvidae15202516×1996
Barn SwallowHirundinidae152025+2%1995
Brown CreeperCerthiidae152025+200%1998
Western Wood-PeweeTyrannidae142025+200%1997
Steller's JayCorvidae142025+72%1995
Brown-headed CowbirdIcteridae142025+0%1995
Common YellowthroatParulidae142025+32%1995
American GoldfinchFringillidae132025+115%1995
Chipping SparrowPasserellidae122025+81%1995
Warbling VireoVireonidae92025+275%1995
House FinchFringillidae82025-38%1995
Red CrossbillFringillidae82025+0%2002
House SparrowPasseridae82025+127%1999
California Scrub-JayCorvidae82025+180%2007
Golden-crowned KingletRegulidae72025+110%1997
Downy WoodpeckerPicidae72025+233%2006
Bewick's WrenTroglodytidae62025+0%1995
BushtitAegithalidae62025-35%1997
Mourning DoveColumbidae52025-9%1997
Orange-crowned WarblerParulidae52025-39%1995
MacGillivray's WarblerParulidae52025-40%1995

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.