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BBS Route · California · BCR 33

Lucerne Val Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 49 species recorded across 15 survey years, still active.

49Species 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 →
15Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1974–2024Span
4Observers

Bird Species Found on California Lucerne Val

Top 40 of 49 species by most recent count. Each links to its species trend.

Species recorded on the Lucerne Val 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
American CrowCorvidae492024n/an/a
Horned LarkAlaudidae252024-15%1978
House SparrowPasseridae182024+39%1978
Common RavenCorvidae172024+368%1978
Black-throated SparrowPasserellidae172024+115%1978
House FinchFringillidae132024+8%1978
Lesser GoldfinchFringillidae92024+350%1989
Cactus WrenTroglodytidae81999+0%1988
Barn SwallowHirundinidae51989n/an/a
Ash-throated FlycatcherTyrannidae42024-39%1989
Bell's SparrowPasserellidae32024+55%1978
Rock WrenTroglodytidae32024+122%1978
VerdinRemizidae32024+0%1993
Lesser NighthawkCaprimulgidae31996+50%1989
Mourning DoveColumbidae22024-23%1978
Red-winged BlackbirdIcteridae21991-77%1977
Brewer's BlackbirdIcteridae21997-72%1989
Northern MockingbirdMimidae21999-50%1978
Cinnamon TealAnatidae21989n/an/a
KilldeerCharadriidae21998+0%1992
Rock PigeonColumbidae21999-30%1995
Golden EagleAccipitridae21996n/an/a
White-throated SwiftApodidae21996n/an/a
Red-tailed HawkAccipitridae11998+33%1992
Burrowing OwlStrigidae11978+0%1974
Western KingbirdTyrannidae12024-44%1978
Western MeadowlarkIcteridae12024+50%1978
Scott's OrioleIcteridae12024+33%1988
LeConte's ThrasherMimidae12024-41%1989
European StarlingSturnidae11999-47%1989
PhainopeplaPtiliogonatidae12024-50%1977
Loggerhead ShrikeLaniidae12024-57%1988
Common YellowthroatParulidae11977n/an/a
American CootRallidae11978n/an/a
American KestrelFalconidae11996+0%1978
Ladder-backed WoodpeckerPicidae12024+0%1992
Lark SparrowPasserellidae12024-50%1978
Prairie FalconFalconidae11999+0%1988
Bullock's OrioleIcteridae11995-25%1989
MallardAnatidae11989n/an/a

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