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BBS Route · Oregon · BCR 5

Secret Val Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 114 species recorded across 37 survey years, still active.

114Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2025Span
5Observers

Bird Species Found on Oregon Secret Val

Top 40 of 114 species by most recent count. Each links to its species trend.

Species recorded on the Secret Val 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
Western TanagerCardinalidae472025-44%1977
Black-headed GrosbeakCardinalidae422025-32%1977
Red CrossbillFringillidae341988n/an/a
Spotted TowheePasserellidae272025-9%1977
European StarlingSturnidae262022+73%1977
American RobinTurdidae242025+61%1977
Nashville WarblerParulidae222025-53%1977
Song SparrowPasserellidae202025+170%1977
Western Wood-PeweeTyrannidae182025-56%1977
Steller's JayCorvidae172025+1%1977
Cassin's VireoVireonidae152025+3%1977
Cliff SwallowHirundinidae142025-49%1977
Hermit WarblerParulidae142025-72%1977
Lazuli BuntingCardinalidae132025-38%1977
Orange-crowned WarblerParulidae122025-27%1977
Northern Rough-winged SwallowHirundinidae112022+75%1977
Black-throated Gray WarblerParulidae102025+69%1982
Chestnut-backed ChickadeeParidae92025+21%1978
Acorn WoodpeckerPicidae92025+200%1979
MacGillivray's WarblerParulidae82025-80%1977
Band-tailed PigeonColumbidae82022-60%1994
Yellow-breasted ChatIcteriidae72025-48%1977
Hermit ThrushTurdidae72025+5%1977
Warbling VireoVireonidae62025-46%1977
Northern House WrenTroglodytidae62025-45%1977
Red-breasted NuthatchSittidae62025+42%1977
Swainson's ThrushTurdidae62025+25%1978
Turkey VultureCathartidae52025-23%1977
Purple FinchFringillidae52025+167%1977
Violet-green SwallowHirundinidae52025-72%1977
Black-capped ChickadeeParidae52025+80%1977
Golden-crowned KingletRegulidae51993-46%1977
California Scrub-JayCorvidae42025+129%1977
Tree SwallowHirundinidae42025-86%1978
Yellow WarblerParulidae42025-14%1977
Hairy WoodpeckerPicidae42025-60%1978
Common RavenCorvidae42025+23%1982
Canada GooseAnatidae42006-13%1997
Barn SwallowHirundinidae42022+150%1993
Red-breasted SapsuckerPicidae32025-44%1977

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