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BBS Route · California · BCR 5

Fish Rock Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 130 species recorded across 46 survey years, still active.

130Species 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2014Span
4Observers

Bird Species Found on California Fish Rock

Top 40 of 130 species by most recent count. Each links to its species trend.

Species recorded on the Fish Rock 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 SwallowHirundinidae1192014+236%1970
Steller's JayCorvidae462014+189%1970
Spotted TowheePasserellidae332014+123%1970
Wilson's WarblerParulidae282014+19%1970
Chestnut-backed ChickadeeParidae252014+825%1970
Song SparrowPasserellidae212014+275%1970
WrentitSylviidae212014-43%1970
California QuailOdontophoridae192014+59%1970
Common RavenCorvidae182014+364%1970
Violet-green SwallowHirundinidae182014+158%1970
Canada GooseAnatidae172013+467%2005
American RobinTurdidae162014+105%1970
Hermit ThrushTurdidae152014-5%1970
Acorn WoodpeckerPicidae142014+177%1971
California Scrub-JayCorvidae142014+13%1970
Brewer's BlackbirdIcteridae122014+11%1970
American GoldfinchFringillidae122014+300%1971
Northern Rough-winged SwallowHirundinidae122014+222%1975
MallardAnatidae122014+700%1993
Hairy WoodpeckerPicidae112014+167%1971
Pygmy NuthatchSittidae102014+80%1973
Band-tailed PigeonColumbidae92014+414%1970
House FinchFringillidae82014-30%1970
Orange-crowned WarblerParulidae82014-37%1970
Brown CreeperCerthiidae82014+500%1970
Swainson's ThrushTurdidae82014-24%1970
Rock PigeonColumbidae82012+120%1983
Turkey VultureCathartidae72014+115%1970
Hutton's VireoVireonidae72014+475%1970
Anna's HummingbirdTrochilidae72014+300%1974
White-crowned SparrowPasserellidae62014-54%1970
Western GullLaridae62014+14%1971
Olive-sided FlycatcherTyrannidae52014+43%1974
Brown-headed CowbirdIcteridae52014+140%1973
Purple FinchFringillidae52014-20%1970
Purple MartinHirundinidae52014-7%1970
Red-breasted SapsuckerPicidae52014+100%1978
Eurasian Collared-DoveColumbidae52014+150%2013
Red-winged BlackbirdIcteridae42014-36%1970
Pine SiskinFringillidae42014+100%1971

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