BirdAnalyst
BBS Route · Washington · BCR 5

Mt Rainier Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 72 species recorded across 27 survey years, still active.

72Species 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2021Span
3Observers

Bird Species Found on Washington Mt Rainier

Top 40 of 72 species by most recent count. Each links to its species trend.

Species recorded on the Mt 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
Pine SiskinFringillidae722019-32%1992
Varied ThrushTurdidae342021-55%1992
American RobinTurdidae172021+49%1992
Violet-green SwallowHirundinidae162021-19%1992
Chestnut-backed ChickadeeParidae142021-9%1993
Pacific WrenTroglodytidae122021-66%1992
Western TanagerCardinalidae112021+282%1995
Hermit ThrushTurdidae102021-60%1992
Barn SwallowHirundinidae82018-40%1992
Evening GrosbeakFringillidae82015+12%1993
Swainson's ThrushTurdidae62021+148%1992
Common NighthawkCaprimulgidae51993+0%1991
Common RavenCorvidae52021-55%1992
Hermit WarblerParulidae52015-65%1993
Fox SparrowPasserellidae52018-47%1994
Purple FinchFringillidae51998+400%1994
American CrowCorvidae41994+25%1992
Tree SwallowHirundinidae42009-75%1994
Black SwiftApodidae42000-27%1994
Yellow WarblerParulidae42019+22%2000
Pine GrosbeakFringillidae42012+300%2001
Black-headed GrosbeakCardinalidae42021+200%2015
Vaux's SwiftApodidae32019-42%1995
White-crowned SparrowPasserellidae32019+100%1992
Golden-crowned KingletRegulidae32021-79%1992
Sooty GrousePhasianidae32021-59%1994
Warbling VireoVireonidae32021+8%1993
Red CrossbillFringillidae32019-68%1999
Brown CreeperCerthiidae32015-50%1998
Mountain ChickadeeParidae32019+29%2006
Rufous HummingbirdTrochilidae22019-67%1992
Olive-sided FlycatcherTyrannidae22021+50%1992
Steller's JayCorvidae22021-63%1992
Canada JayCorvidae22021+18%1992
Red-winged BlackbirdIcteridae22021-40%1995
American GoldfinchFringillidae21990n/an/a
Chipping SparrowPasserellidae22015-29%1992
Cedar WaxwingBombycillidae22011+100%1990
Red-breasted NuthatchSittidae22021-12%1992
Townsend's WarblerParulidae22021-83%1993

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