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BBS Route · California · BCR 15

Genesee Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 134 species recorded across 43 survey years, still active.

134Species 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2024Span
9Observers

Bird Species Found on California Genesee

Top 40 of 134 species by most recent count. Each links to its species trend.

Species recorded on the Genesee 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 RobinTurdidae522024+4%1974
Western Wood-PeweeTyrannidae472024+58%1974
European StarlingSturnidae462024+9%1974
Red-winged BlackbirdIcteridae392024+149%1974
Western TanagerCardinalidae292024-5%1974
Yellow WarblerParulidae292024+37%1974
Fox SparrowPasserellidae292024+550%1982
Steller's JayCorvidae272024+9%1974
Cliff SwallowHirundinidae272024+291%1975
Warbling VireoVireonidae242024+77%1974
Olive-sided FlycatcherTyrannidae232024+83%1974
Song SparrowPasserellidae222024+146%1974
Mourning DoveColumbidae202024+357%1975
Mountain ChickadeeParidae192024+100%1974
Brewer's BlackbirdIcteridae182024-6%1974
Spotted TowheePasserellidae172024+264%1975
Brown-headed CowbirdIcteridae142024+350%1974
Lazuli BuntingCardinalidae14202412×1995
Northern House WrenTroglodytidae142024+167%1974
Cassin's VireoVireonidae132024+327%1974
Golden-crowned KingletRegulidae122019+154%1975
Lesser GoldfinchFringillidae112024+217%1974
Canada GooseAnatidae112023+150%1992
Hairy WoodpeckerPicidae102024+260%1975
Black-headed GrosbeakCardinalidae102024-17%1974
Wilson's WarblerParulidae102024+67%1974
Red-breasted NuthatchSittidae102024+40%1974
Hermit WarblerParulidae92024+19%1975
Western MeadowlarkIcteridae82024+15%1975
Ruby-crowned KingletRegulidae82019-31%1975
Black-throated Gray WarblerParulidae82024+136%1976
House SparrowPasseridae82024+229%1983
BushtitAegithalidae81983+100%1980
Downy WoodpeckerPicidae72024+86%1979
Common RavenCorvidae72024+160%1991
Barn SwallowHirundinidae62024+400%1975
Willow FlycatcherTyrannidae61974n/an/a
Common MerganserAnatidae62023+100%1993
Bank SwallowHirundinidae62013+63%2007
Red-breasted SapsuckerPicidae52024+50%1978

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