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BBS Route · Oregon · BCR 9

Mt Hood Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 116 species recorded across 40 survey years, still active.

116Species 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 →
40Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2024Span
5Observers

Bird Species Found on Oregon Mt Hood

Top 40 of 116 species by most recent count. Each links to its species trend.

Species recorded on the Mt Hood 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
American RobinTurdidae492024+10%1974
Western TanagerCardinalidae402024+100%1974
European StarlingSturnidae352024+50%1974
American GoldfinchFringillidae282024+82%1974
Black-throated Gray WarblerParulidae232024+156%1990
Brown-headed CowbirdIcteridae222024+175%1974
Black-headed GrosbeakCardinalidae212024+44%1974
Hermit ThrushTurdidae202024+27%1974
Brewer's BlackbirdIcteridae192024-28%1974
Spotted TowheePasserellidae182024+163%1974
Warbling VireoVireonidae182024+467%1975
Western Wood-PeweeTyrannidae172024-29%1974
Pine SiskinFringillidae172024+20%1975
Eurasian Collared-DoveColumbidae142024+186%2012
Violet-green SwallowHirundinidae132024+92%1974
MacGillivray's WarblerParulidae132024+41%1974
Canada GooseAnatidae132016+183%2009
Steller's JayCorvidae122024-43%1974
Red-winged BlackbirdIcteridae122024+61%1974
Common RavenCorvidae112024+667%1975
Tree SwallowHirundinidae112024+21%1974
Black-capped ChickadeeParidae102024+160%1978
California Scrub-JayCorvidae102024+550%1991
Purple FinchFringillidae92024-25%1978
Swainson's ThrushTurdidae92024+58%1974
BushtitAegithalidae82014+50%1992
White-crowned SparrowPasserellidae72024+24%1974
Chipping SparrowPasserellidae72024+0%1974
Mountain QuailOdontophoridae72022+57%1993
Hermit WarblerParulidae62023+77%1975
Red-breasted NuthatchSittidae62024+7%1974
Golden-crowned KingletRegulidae62024+150%1987
American CrowCorvidae62024+33%1975
Cliff SwallowHirundinidae62010+91%1975
Wild TurkeyPhasianidae62013n/an/a
Song SparrowPasserellidae52024-15%1974
Lazuli BuntingCardinalidae52024+67%1976
Vaux's SwiftApodidae52023-63%1990
House FinchFringillidae42024+32%1974
Barn SwallowHirundinidae42024-48%1974

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