BirdAnalyst
BBS Route · California · BCR 33

Calif City Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 59 species recorded across 9 survey years, still active.

59Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2015Span
5Observers

Bird Species Found on California Calif City

Top 40 of 59 species by most recent count. Each links to its species trend.

Species recorded on the Calif City 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
House FinchFringillidae1062015+206%1979
Cliff SwallowHirundinidae821977n/an/a
Horned LarkAlaudidae632015-36%1979
Common RavenCorvidae452015+94%1979
House SparrowPasseridae212015+20%1979
Tricolored BlackbirdIcteridae141979n/an/a
White-faced IbisThreskiornithidae132012n/an/a
Bell's SparrowPasserellidae122015+124%1980
Rock PigeonColumbidae112015+18%1979
Mourning DoveColumbidae112015-21%1979
European StarlingSturnidae112015-79%1979
Lawrence's GoldfinchFringillidae91995n/an/a
Eurasian Collared-DoveColumbidae92015n/an/a
Lesser GoldfinchFringillidae71980+600%1977
California QuailOdontophoridae71997+600%1996
Black-throated SparrowPasserellidae61997+100%1980
White-throated SwiftApodidae51977n/an/a
Brewer's SparrowPasserellidae41978n/an/a
Great-tailed GrackleIcteridae42015+86%1996
MallardAnatidae42012n/an/a
Costa's HummingbirdTrochilidae32012+200%1979
Turkey VultureCathartidae31995n/an/a
Northern Rough-winged SwallowHirundinidae32012n/an/a
Say's PhoebeTyrannidae22015-20%1995
Red-winged BlackbirdIcteridae22015-95%1979
Bullock's OrioleIcteridae21980+0%1978
Brown-headed CowbirdIcteridae21979n/an/a
Blue GrosbeakCardinalidae21980+100%1979
Common YellowthroatParulidae21980n/an/a
Red-tailed HawkAccipitridae11996+125%1980
Western KingbirdTyrannidae12015-59%1979
Western MeadowlarkIcteridae11996+16%1979
Brewer's BlackbirdIcteridae12012-83%1979
American CootRallidae11978n/an/a
KilldeerCharadriidae11995-86%1978
Peregrine FalconFalconidae11978n/an/a
Burrowing OwlStrigidae12015+0%1979
Greater RoadrunnerCuculidae12015+0%1978
Loggerhead ShrikeLaniidae12015-56%1980
Northern MockingbirdMimidae12015-22%1980

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