BirdAnalyst
BBS Route · California · BCR 9

Nubieber Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 167 species recorded across 45 survey years, still active.

167Species 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 →
45Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2018Span
5Observers

Bird Species Found on California Nubieber

Top 40 of 167 species by most recent count. Each links to its species trend.

Species recorded on the Nubieber 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
Cliff SwallowHirundinidae1602018+44%1972
European StarlingSturnidae1272018+641%1972
Brewer's BlackbirdIcteridae1152018+96%1972
Mourning DoveColumbidae342018-62%1972
Red-winged BlackbirdIcteridae332018-9%1972
American RobinTurdidae312018+8%1972
Ring-billed GullLaridae262007+53%1988
California QuailOdontophoridae222018+242%1972
Western MeadowlarkIcteridae222018-63%1972
House FinchFringillidae202018-36%1972
House SparrowPasseridae192018-20%1972
Eurasian Collared-DoveColumbidae192018+209%2013
Brown-headed CowbirdIcteridae162018+136%1972
Bullock's OrioleIcteridae162018+56%1972
Canada GooseAnatidae142015-70%1981
Western KingbirdTyrannidae122018-39%1972
Western Wood-PeweeTyrannidae122018+26%1972
Spotted TowheePasserellidae122018+25%1972
White-faced IbisThreskiornithidae122015+19%2001
MallardAnatidae112018-52%1972
Mountain QuailOdontophoridae112018+11%1973
BushtitAegithalidae112007+78%1987
KilldeerCharadriidae102018-56%1972
Band-tailed PigeonColumbidae82016-92%1984
Western TanagerCardinalidae72018+58%1972
Mountain ChickadeeParidae72018-38%1972
Purple FinchFringillidae72007+120%1978
Song SparrowPasserellidae72018+71%1975
Steller's JayCorvidae62018-36%1972
California Scrub-JayCorvidae62018-31%1972
Yellow WarblerParulidae62018-19%1972
Northern ShovelerAnatidae62012+60%1986
Lesser GoldfinchFringillidae52018-67%1972
Red-breasted NuthatchSittidae52018+167%1972
American AvocetRecurvirostridae52014+64%1974
Tree SwallowHirundinidae52018+55%1973
Lawrence's GoldfinchFringillidae52018-43%1997
Wood DuckAnatidae52018-50%2003
Pinyon JayCorvidae52007-29%2003
Turkey VultureCathartidae42018+100%1983

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