BBS Route · Oregon · BCR 9

Mt Hood Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 116 species recorded across 41 survey years, still active.

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
European StarlingSturnidae362025+84%1974
American RobinTurdidae362025+5%1974
Western TanagerCardinalidae342025+95%1974
American GoldfinchFringillidae282025+56%1974
Spotted TowheePasserellidae202025+181%1974
Hermit WarblerParulidae202025+105%1975
Red-winged BlackbirdIcteridae192025+83%1974
Warbling VireoVireonidae192025+489%1975
Brown-headed CowbirdIcteridae142025+180%1974
White-crowned SparrowPasserellidae142025+28%1974
MacGillivray's WarblerParulidae142025+50%1974
Black-capped ChickadeeParidae142025+260%1978
Brewer's BlackbirdIcteridae132025-35%1974
Canada GooseAnatidae132016+183%2009
Cedar WaxwingBombycillidae112025+64%1989
Western Wood-PeweeTyrannidae102025-32%1974
Song SparrowPasserellidae102025-19%1974
House SparrowPasseridae102025-50%1974
Chestnut-backed ChickadeeParidae102025+250%1987
Pine SiskinFringillidae92025-8%1975
Black-headed GrosbeakCardinalidae92025+24%1974
Red-breasted NuthatchSittidae92025+36%1974
Steller's JayCorvidae82025-35%1974
California Scrub-JayCorvidae82025+575%1991
Nashville WarblerParulidae82025+62%1988
BushtitAegithalidae82014+50%1992
Swainson's ThrushTurdidae72025+47%1974
Common NighthawkCaprimulgidae72025+129%1978
Black-throated Gray WarblerParulidae72025+139%1990
Mountain QuailOdontophoridae72022+57%1993
Eurasian Collared-DoveColumbidae72025+107%2012
Purple FinchFringillidae62025-39%1978
Tree SwallowHirundinidae62025+21%1974
Cliff SwallowHirundinidae62010+91%1975
Wild TurkeyPhasianidae62013n/an/a
Olive-sided FlycatcherTyrannidae52025-48%1974
Violet-green SwallowHirundinidae52025+31%1974
Vaux's SwiftApodidae52023-63%1990
Turkey VultureCathartidae52025+100%1988
Common RavenCorvidae42025+533%1975

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