BirdAnalyst
BBS Route · California · BCR 32

Tres Pinos 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 7 survey years, still active.

85Species 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 →
7Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2011Span
2Observers

Bird Species Found on California Tres Pinos 2

Top 40 of 85 species by most recent count. Each links to its species trend.

Species recorded on the Tres Pinos 2 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 FinchFringillidae1532011+81%2007
European StarlingSturnidae1252011+27%2007
Mourning DoveColumbidae1082011+112%2007
Cliff SwallowHirundinidae932011+244%2007
Brewer's BlackbirdIcteridae782011-51%2007
American CrowCorvidae572011+102%2007
Western BluebirdTurdidae572011+128%2007
Western KingbirdTyrannidae462011+52%2007
California Scrub-JayCorvidae462011+31%2007
Oak TitmouseParidae422011+33%2007
Violet-green SwallowHirundinidae392011+79%2007
Eurasian Collared-DoveColumbidae392011+967%2008
Ash-throated FlycatcherTyrannidae362011+112%2007
Yellow-billed MagpieCorvidae362011+74%2007
Turkey VultureCathartidae352011+431%2007
Common RavenCorvidae312011+242%2007
California TowheePasserellidae302011+40%2007
California QuailOdontophoridae292011+139%2007
Barn SwallowHirundinidae282011+57%2007
Bewick's WrenTroglodytidae272011+23%2007
American KestrelFalconidae262011+153%2007
Acorn WoodpeckerPicidae252011+64%2007
Northern MockingbirdMimidae252011+54%2007
Lesser GoldfinchFringillidae242011-7%2007
Bullock's OrioleIcteridae232011-5%2007
White-breasted NuthatchSittidae232011+37%2007
House SparrowPasseridae212011+15%2008
Red-tailed HawkAccipitridae202011+156%2007
Spotted TowheePasserellidae172011+0%2007
Western MeadowlarkIcteridae162011+27%2007
White-tailed KiteAccipitridae132011+275%2006
BushtitAegithalidae132011-31%2007
Black PhoebeTyrannidae122011+107%2007
Nuttall's WoodpeckerPicidae112011+35%2007
Anna's HummingbirdTrochilidae112011+160%2007
Western Wood-PeweeTyrannidae112011+52%2007
Red-winged BlackbirdIcteridae102011-79%2007
Tree SwallowHirundinidae102010+367%2008
Band-tailed PigeonColumbidae92011+50%2009
Wild TurkeyPhasianidae82011+167%2005

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