BirdAnalyst
BBS Route · California · BCR 32

Sisquoc Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 30 survey years, still active.

97Species 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2014Span
4Observers

Bird Species Found on California Sisquoc

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Sisquoc 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 FinchFringillidae1112014+146%1973
European StarlingSturnidae552014-11%1973
California Scrub-JayCorvidae532014+67%1973
Oak TitmouseParidae502014+62%1973
Mourning DoveColumbidae422014-29%1973
Acorn WoodpeckerPicidae372014-11%1973
Ash-throated FlycatcherTyrannidae372014+493%1974
Spotted TowheePasserellidae312014+56%1973
Turkey VultureCathartidae302014+78%2000
Eurasian Collared-DoveColumbidae292014+26%2012
California TowheePasserellidae282014+11%1973
California QuailOdontophoridae262014-6%1973
Lawrence's GoldfinchFringillidae202000+169%1975
Song SparrowPasserellidae192014-24%1973
Brewer's BlackbirdIcteridae162014-61%1973
Nuttall's WoodpeckerPicidae132014+588%1974
American CrowCorvidae132014+19%1973
Purple FinchFringillidae132014+257%1986
Northern Rough-winged SwallowHirundinidae13201412×1981
Wild TurkeyPhasianidae122014+600%1979
Red-tailed HawkAccipitridae112014+239%1973
Western KingbirdTyrannidae112014+184%1973
Cliff SwallowHirundinidae112014+52%1973
WrentitSylviidae102014+35%1973
BushtitAegithalidae102014-1%1973
Western BluebirdTurdidae102014-23%1973
Bullock's OrioleIcteridae92014+193%1973
Northern MockingbirdMimidae92014+575%1973
KilldeerCharadriidae82013+38%1973
Anna's HummingbirdTrochilidae72014+10%1973
Black PhoebeTyrannidae72014+67%1973
Northern House WrenTroglodytidae72014-75%1973
American RobinTurdidae72014+133%2013
Violet-green SwallowHirundinidae62014-87%1973
Great EgretArdeidae62000n/an/a
Black-headed GrosbeakCardinalidae52014+61%1973
PhainopeplaPtiliogonatidae52014+75%1975
Warbling VireoVireonidae42014+120%1974
Wilson's WarblerParulidae42014+300%1970
Bewick's WrenTroglodytidae42014+80%1977

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