BirdAnalyst
BBS Route · Oregon · BCR 5

Nicolai Mtn. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 31 survey years, still active.

105Species 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 →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2024Span
2Observers

Bird Species Found on Oregon Nicolai Mtn.

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Nicolai Mtn. 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
Barn SwallowHirundinidae762024+6%1995
Swainson's ThrushTurdidae722024-10%1995
American RobinTurdidae612024+28%1995
Cliff SwallowHirundinidae592024+264%1995
European StarlingSturnidae572024+65%1995
Red-winged BlackbirdIcteridae572024+833%1995
Cedar WaxwingBombycillidae412024+84%1995
Wilson's WarblerParulidae412024+12%1995
Canada GooseAnatidae332019-17%1996
Warbling VireoVireonidae272024+31%1995
Yellow WarblerParulidae252024+129%1995
Hermit WarblerParulidae242024+300%1995
Pacific WrenTroglodytidae242024-21%1995
Song SparrowPasserellidae212024-6%1995
Brown-headed CowbirdIcteridae202024+67%1995
Common YellowthroatParulidae182024+15%1995
Band-tailed PigeonColumbidae172024+18%1995
Brewer's BlackbirdIcteridae172024+130%1998
Steller's JayCorvidae142024+191%1995
Willow FlycatcherTyrannidae112024-42%1995
Common RavenCorvidae112024+77%1995
Evening GrosbeakFringillidae112024+57%1997
Chestnut-backed ChickadeeParidae112024+117%1995
Golden-crowned KingletRegulidae112024-64%1995
Purple MartinHirundinidae112024+57%2000
BushtitAegithalidae102024+8%1995
Varied ThrushTurdidae102024+130%1995
MallardAnatidae10202415×1999
Wood DuckAnatidae102024+64%1997
Violet-green SwallowHirundinidae92024+100%1995
American CrowCorvidae82024-49%1995
Black-headed GrosbeakCardinalidae82024+100%1995
Marsh WrenTroglodytidae82024-19%1995
Western TanagerCardinalidae62024+350%1995
Tree SwallowHirundinidae62024-26%1995
Purple FinchFringillidae52024+160%1995
American GoldfinchFringillidae52024-71%1995
Western Wood-PeweeTyrannidae52024+200%1996
Brown CreeperCerthiidae52024+200%1998
House FinchFringillidae42022-20%1995

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