BirdAnalyst
BBS Route · California · BCR 33

Lucerne Val Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 50 species recorded across 16 survey years, still active.

50Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1974–2025Span
4Observers

Bird Species Found on California Lucerne Val

Top 40 of 50 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
Common RavenCorvidae352025+391%1978
House SparrowPasseridae292025+37%1978
Black-throated SparrowPasserellidae262025+80%1978
Horned LarkAlaudidae242025-33%1978
House FinchFringillidae232025+25%1978
Lesser GoldfinchFringillidae102025+533%1999
Mourning DoveColumbidae72025-45%1978
Ash-throated FlycatcherTyrannidae52025-43%1989
Rock WrenTroglodytidae32024+122%1978
Gambel's QuailOdontophoridae32025-46%1993
Lesser NighthawkCaprimulgidae31996+50%1989
Red-winged BlackbirdIcteridae21991-77%1977
Brewer's BlackbirdIcteridae21997-72%1989
VerdinRemizidae22025-25%1993
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 KingbirdTyrannidae12025-56%1978
Western MeadowlarkIcteridae12024+50%1978
Scott's OrioleIcteridae12024+33%1988
Bell's SparrowPasserellidae12025+18%1978
Northern MockingbirdMimidae12025-50%1978
LeConte's ThrasherMimidae12024-41%1989
Cactus WrenTroglodytidae12025-8%1988
European StarlingSturnidae11999-47%1989
PhainopeplaPtiliogonatidae12025-50%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 2026-08-14. A route is a sample, not a census.