BBS Route · Oregon · BCR 5

Hauser Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 16 survey years, no longer active.

Bird Species Found on Oregon Hauser

Top 40 of 82 species by most recent count. Each links to its species trend.

Species recorded on the Hauser 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
Swainson's ThrushTurdidae521985+32%1972
Song SparrowPasserellidae341985+1%1972
American RobinTurdidae321985-17%1972
American CrowCorvidae291985+83%1972
Violet-green SwallowHirundinidae291985-1%1972
Brandt's CormorantPhalacrocoracidae281979-24%1972
White-crowned SparrowPasserellidae251985-7%1972
House SparrowPasseridae211985+165%1973
Barn SwallowHirundinidae171985-52%1972
Black-headed GrosbeakCardinalidae141985+17%1972
Orange-crowned WarblerParulidae141985-41%1972
Wilson's WarblerParulidae141985+9%1973
Purple FinchFringillidae111985-28%1972
Ring-billed GullLaridae91972-44%1971
European StarlingSturnidae91985+5%1973
Rufous HummingbirdTrochilidae81984-55%1972
Brown-headed CowbirdIcteridae71985-55%1972
American GoldfinchFringillidae71985-33%1972
Spotted TowheePasserellidae71985+150%1972
Rock PigeonColumbidae71985+43%1974
House FinchFringillidae71985+21%1973
Western TanagerCardinalidae61985-43%1972
BushtitAegithalidae61980+43%1976
Warbling VireoVireonidae51985+0%1972
Pacific WrenTroglodytidae51985-15%1972
WrentitSylviidae51985-25%1972
Band-tailed PigeonColumbidae41985-45%1972
Western Wood-PeweeTyrannidae41985+89%1972
Purple MartinHirundinidae41979+100%1970
Red-breasted NuthatchSittidae41984+20%1975
Western GullLaridae41984+100%1974
Herring GullLaridae31970n/an/a
Steller's JayCorvidae31985-44%1972
Cliff SwallowHirundinidae31985-82%1972
Marsh WrenTroglodytidae31985+80%1973
Golden-crowned KingletRegulidae31980-18%1974
Spotted SandpiperScolopacidae21970n/an/a
Mourning DoveColumbidae21974+100%1970
Olive-sided FlycatcherTyrannidae21985-74%1972
Cedar WaxwingBombycillidae21984-67%1972

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