BBS Route · Washington · BCR 9

Mazama Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 20 survey years, still active.

99Species Recorded
20Years Surveyed
19932022Span
3Observers

Bird Species Found on Washington Mazama

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Mazama route.
History
Western TanagerCardinalidae292022+55%1998
Red-breasted NuthatchSittidae242022-15%1998
Pine SiskinFringillidae232022+12%1998
American RobinTurdidae232022-27%1998
Spotted TowheePasserellidae182022+0%1998
Red CrossbillFringillidae162022-44%1998
Warbling VireoVireonidae152022-22%1998
Yellow WarblerParulidae132022-42%1998
Black-headed GrosbeakCardinalidae122022+0%2000
Chipping SparrowPasserellidae112022-34%1998
Mountain ChickadeeParidae112022-31%1998
Hammond's FlycatcherTyrannidae102022-16%1998
Purple FinchFringillidae102022+733%1999
Townsend's WarblerParulidae102022-56%1998
Western Wood-PeweeTyrannidae92022+43%1998
Swainson's ThrushTurdidae92022-24%1998
MacGillivray's WarblerParulidae82022-9%1998
Nashville WarblerParulidae72022-46%1998
Cliff SwallowHirundinidae62003-73%1999
Dusky FlycatcherTyrannidae52022-66%1998
Black-capped ChickadeeParidae52022-48%1998
American CrowCorvidae42019-24%1998
Brown-headed CowbirdIcteridae42019-65%1998
Pine GrosbeakFringillidae42001+300%1993
Cedar WaxwingBombycillidae42022-8%1998
Black SwiftApodidae32001+200%1993
Olive-sided FlycatcherTyrannidae32022+67%1998
Brewer's BlackbirdIcteridae32022+44%1998
Evening GrosbeakFringillidae32021+15%1998
Rufous HummingbirdTrochilidae32022+50%2000
Cassin's VireoVireonidae32022-11%2000
American RedstartParulidae32000+50%1999
KilldeerCharadriidae32003+200%2000
Common NighthawkCaprimulgidae22016+129%1998
Common RavenCorvidae22021+9%1999
American GoldfinchFringillidae22022+133%1998
Song SparrowPasserellidae22022-47%1998
Fox SparrowPasserellidae21994+0%1993
Lazuli BuntingCardinalidae22022-25%1998
Barn SwallowHirundinidae22022+100%1993

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