BirdAnalyst
BBS Route · California · BCR 32

S Catalina Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 62 species recorded across 18 survey years, still active.

62Species 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 →
18Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2025Span
5Observers

Bird Species Found on California S Catalina

Top 40 of 62 species by most recent count. Each links to its species trend.

Species recorded on the S Catalina 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
California QuailOdontophoridae1522025+304%1990
House FinchFringillidae1332025+33%1990
Northern MockingbirdMimidae1212025-2%1990
Spotted TowheePasserellidae1052025+598%1990
Western GullLaridae562025-9%1990
Bewick's WrenTroglodytidae502025+2%1990
Acorn WoodpeckerPicidae432025+692%1991
Chipping SparrowPasserellidae252025-65%1990
Orange-crowned WarblerParulidae232025-16%1990
Common RavenCorvidae222025-71%1990
Barn SwallowHirundinidae192025-48%1990
Brown PelicanPelecanidae122025+355%1992
Lesser GoldfinchFringillidae112025+222%1990
Ash-throated FlycatcherTyrannidae92025+100%1997
Rock PigeonColumbidae82019+30%1990
White-throated SwiftApodidae62025-48%1990
Black-headed GrosbeakCardinalidae62025+133%1997
Ruddy DuckAnatidae51998+100%1994
Mourning DoveColumbidae42025-64%1990
European StarlingSturnidae42025+26%1990
House SparrowPasseridae41997-20%1990
Hooded OrioleIcteridae42025+140%2014
Eurasian Collared-DoveColumbidae42025+100%2017
Allen's HummingbirdTrochilidae32022+18%1990
Black PhoebeTyrannidae32025+83%1991
Heermann's GullLaridae32012+33%1992
MallardAnatidae32013-63%1998
American CrowCorvidae32022-40%2019
American KestrelFalconidae22025-67%1990
Western MeadowlarkIcteridae22022-18%1991
Hutton's VireoVireonidae22025-38%1990
Red-tailed HawkAccipitridae22025-20%1991
Anna's HummingbirdTrochilidae22022+120%1992
Wild TurkeyPhasianidae21993+0%1991
Common YellowthroatParulidae22025-43%1998
Caspian TernLaridae22017-64%2014
Bald EagleAccipitridae22013n/an/a
BushtitAegithalidae22022n/an/a
Blue-gray GnatcatcherPolioptilidae22025+100%2022
KilldeerCharadriidae12017-62%1990

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