BirdAnalyst
BBS Route · Oregon · BCR 5

Nicolai Mtn. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 106 species recorded across 32 survey years, still active.

106Species 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 →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2025Span
2Observers

Bird Species Found on Oregon Nicolai Mtn.

Top 40 of 106 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
European StarlingSturnidae852025+169%1995
Swainson's ThrushTurdidae642025+4%1995
American RobinTurdidae512025+49%1995
Barn SwallowHirundinidae442025+11%1995
Pacific WrenTroglodytidae352025-25%1995
Tree SwallowHirundinidae332025+52%1995
Canada GooseAnatidae332019-17%1996
Cedar WaxwingBombycillidae322025+110%1995
Red-winged BlackbirdIcteridae282025+800%1995
Wilson's WarblerParulidae252025+14%1995
Cliff SwallowHirundinidae232025+238%1995
Red CrossbillFringillidae202025+38%1996
Chestnut-backed ChickadeeParidae192025+150%1995
American CrowCorvidae182025-11%1995
Band-tailed PigeonColumbidae162025+8%1995
Song SparrowPasserellidae162025-8%1995
Violet-green SwallowHirundinidae162025+167%1995
Yellow WarblerParulidae142025+133%1995
Brown CreeperCerthiidae142025+500%1998
Purple MartinHirundinidae142025+48%2000
Black-headed GrosbeakCardinalidae132025+138%1995
Steller's JayCorvidae122025+264%1995
Varied ThrushTurdidae122025+180%1995
American GoldfinchFringillidae112025-62%1995
Brown-headed CowbirdIcteridae102025+79%1995
BushtitAegithalidae102024+8%1995
Wood DuckAnatidae102024+64%1997
Purple FinchFringillidae92025+240%1995
Warbling VireoVireonidae92025+18%1995
Hermit WarblerParulidae92025+235%1995
Golden-crowned KingletRegulidae92025-58%1995
Western TanagerCardinalidae72025+233%1995
Common YellowthroatParulidae72025+0%1995
Eurasian Collared-DoveColumbidae72025+88%2012
Evening GrosbeakFringillidae62025+86%1997
White-crowned SparrowPasserellidae52025+0%1995
Common NighthawkCaprimulgidae52025+67%2021
Hairy WoodpeckerPicidae42025+33%1995
Common RavenCorvidae42025+62%1995
House FinchFringillidae42022-20%1995

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