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BBS Route · California · BCR 33

Wildrose Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 39 species recorded across 19 survey years, still active.

39Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2022Span
6Observers

Bird Species Found on California Wildrose

Top 39 of 39 species by most recent count. Each links to its species trend.

Species recorded on the Wildrose 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 FinchFringillidae532022+26%1979
Black-throated SparrowPasserellidae242022-32%1979
Horned LarkAlaudidae23202215×1991
Western KingbirdTyrannidae211994n/an/a
Sage ThrasherMimidae111993+450%1992
Say's PhoebeTyrannidae72022+20%1979
Rock WrenTroglodytidae52022+40%1979
Ash-throated FlycatcherTyrannidae52022+0%1992
House SparrowPasseridae42004-40%1995
Brewer's SparrowPasserellidae32021-68%1993
LeConte's ThrasherMimidae32022-25%1993
White-throated SwiftApodidae32004-54%1993
Northern MockingbirdMimidae32005+29%1993
Lesser GoldfinchFringillidae22005-25%1993
Great Horned OwlStrigidae21992n/an/a
Brown-headed CowbirdIcteridae21993-50%1992
Western Wood-PeweeTyrannidae21994n/an/a
Great-tailed GrackleIcteridae22005n/an/a
Cooper's HawkAccipitridae22021n/an/a
Mourning DoveColumbidae12021+7%1991
Costa's HummingbirdTrochilidae12005+50%1992
Common RavenCorvidae12022+42%1979
Loggerhead ShrikeLaniidae12022-9%1993
Greater RoadrunnerCuculidae11979-50%1978
Bullock's OrioleIcteridae12022-50%1978
PhainopeplaPtiliogonatidae12005-25%1993
Cactus WrenTroglodytidae11978n/an/a
Blue-gray GnatcatcherPolioptilidae12005-71%1992
Red-tailed HawkAccipitridae12022-44%1994
Pinyon JayCorvidae11991n/an/a
Lazuli BuntingCardinalidae12000-33%1992
Yellow WarblerParulidae11991n/an/a
Bewick's WrenTroglodytidae12005+0%1992
ChukarPhasianidae12005-33%1997
Western MeadowlarkIcteridae11994+0%1993
Scott's OrioleIcteridae12021+0%1993
Rock PigeonColumbidae11995n/an/a
American KestrelFalconidae12002n/an/a
Bell's VireoVireonidae12004n/an/a

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