BirdAnalyst
BBS Route · Washington · BCR 9

Snowden Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 126 species recorded across 40 survey years, still active.

126Species Recorded
40Years Surveyed
1971–2024Span
4Observers

Bird Species Found on Washington Snowden

Top 40 of 126 species by most recent count. Each links to its species trend.

Species recorded on the Snowden route.
History
Spotted TowheePasserellidae542024+405%1973
White-crowned SparrowPasserellidae462024-45%1973
House SparrowPasseridae352024+23%1973
American RobinTurdidae342024-41%1973
European StarlingSturnidae332024-38%1973
Western TanagerCardinalidae322024+514%1973
MacGillivray's WarblerParulidae282024+344%1983
Eurasian Collared-DoveColumbidae282024+560%2014
Chipping SparrowPasserellidae252024+156%1973
Black-headed GrosbeakCardinalidae242024-24%1982
American CrowCorvidae222024+0%1973
Brown-headed CowbirdIcteridae182024+162%1973
Violet-green SwallowHirundinidae172024+2%1982
Nashville WarblerParulidae17202416×1981
Western Wood-PeweeTyrannidae172024+100%1981
American GoldfinchFringillidae172024+9%1982
Say's PhoebeTyrannidae161971n/an/a
California Scrub-JayCorvidae152024+367%1984
Black-capped ChickadeeParidae132024+32%1973
Warbling VireoVireonidae132024+363%1983
Red CrossbillFringillidae122022-67%2017
Lesser GoldfinchFringillidae122024+120%2014
Steller's JayCorvidae112024-4%1973
Northern House WrenTroglodytidae112024+164%1973
Common RavenCorvidae112024+620%1981
Chestnut-backed ChickadeeParidae112024+318%1999
Cliff SwallowHirundinidae102024-50%1981
Barn SwallowHirundinidae102024-69%1981
Wilson's WarblerParulidae102024+633%1988
Red-winged BlackbirdIcteridae92024+311%1973
Swainson's ThrushTurdidae92024+14%1983
Varied ThrushTurdidae81973+167%1971
Red-breasted NuthatchSittidae82024+108%1981
Lark SparrowPasserellidae81994-17%1984
Band-tailed PigeonColumbidae72024+171%1973
Mourning DoveColumbidae62024-72%1973
Pine SiskinFringillidae62024-13%1973
Tree SwallowHirundinidae62024-72%1981
Common NighthawkCaprimulgidae52024+143%1983
Olive-sided FlycatcherTyrannidae52024-6%1981

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