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BBS Route · California · BCR 32

Mt Laguna Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 11 survey years, no longer active.

83Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–1987Span
4Observers

Bird Species Found on California Mt Laguna

Top 40 of 83 species by most recent count. Each links to its species trend.

Species recorded on the Mt Laguna 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
Acorn WoodpeckerPicidae1111987+78%1972
California Scrub-JayCorvidae431987+305%1972
Pygmy NuthatchSittidae41198719×1973
Mountain ChickadeeParidae381987+2%1972
Lesser GoldfinchFringillidae371987+191%1974
Spotted TowheePasserellidae301987+259%1972
House FinchFringillidae201987-38%1972
WrentitSylviidae181987+917%1973
Cliff SwallowHirundinidae181987+97%1980
Ash-throated FlycatcherTyrannidae161987+105%1972
Steller's JayCorvidae151987-7%1972
PhainopeplaPtiliogonatidae131987+900%1980
Nuttall's WoodpeckerPicidae121987+122%1975
Common RavenCorvidae121987-18%1972
BushtitAegithalidae121987+36%1974
Band-tailed PigeonColumbidae111987+280%1974
American CrowCorvidae111987+200%1973
European StarlingSturnidae101987+44%1972
Lark SparrowPasserellidae101987+80%1974
California TowheePasserellidae101987+80%1975
White-breasted NuthatchSittidae101987+117%1972
American GoldfinchFringillidae101986+900%1974
Bewick's WrenTroglodytidae91987-30%1972
Anna's HummingbirdTrochilidae81987+329%1973
Western Wood-PeweeTyrannidae71987+69%1973
Western KingbirdTyrannidae71987-21%1973
Red-tailed HawkAccipitridae61987+183%1972
Western MeadowlarkIcteridae61987+200%1975
Brewer's BlackbirdIcteridae61987+46%1972
Violet-green SwallowHirundinidae61987-48%1972
Red-winged BlackbirdIcteridae61986-54%1977
Western BluebirdTurdidae51987+12%1972
Olive-sided FlycatcherTyrannidae41981+75%1975
Brown-headed CowbirdIcteridae41987+25%1977
Bullock's OrioleIcteridae41987+83%1972
Western TanagerCardinalidae41987-14%1973
Lazuli BuntingCardinalidae41987+0%1980
Chipping SparrowPasserellidae41987n/an/a
Red-breasted SapsuckerPicidae31971n/an/a
Blue-gray GnatcatcherPolioptilidae31987+33%1972

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