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BBS Route · California · BCR 9

Davis Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 139 species recorded across 36 survey years, still active.

139Species 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 →
36Years 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
11Observers

Bird Species Found on California Davis Creek

Top 40 of 139 species by most recent count. Each links to its species trend.

Species recorded on the Davis Creek 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
Western MeadowlarkIcteridae1182024+169%1977
Brewer's BlackbirdIcteridae702024-52%1977
Red-winged BlackbirdIcteridae562024-37%1977
European StarlingSturnidae452024+46%1977
Western TanagerCardinalidae262024+307%1978
Eurasian Collared-DoveColumbidae262024+108%2014
California QuailOdontophoridae192024+15%1977
Black-billed MagpieCorvidae192024-24%1977
WilletScolopacidae152024-6%1977
American RobinTurdidae152024-53%1977
Mourning DoveColumbidae142024-65%1977
Wilson's SnipeScolopacidae122024+450%1977
White-faced IbisThreskiornithidae92022+197%2010
KilldeerCharadriidae82024-55%1977
Vesper SparrowPasserellidae82024-37%1978
Cliff SwallowHirundinidae82024-48%1977
Northern House WrenTroglodytidae82024+100%1980
Horned LarkAlaudidae72024+40%1978
Bullock's OrioleIcteridae72024+178%1977
Steller's JayCorvidae62024-42%1977
Common RavenCorvidae62024+100%1978
Spotted TowheePasserellidae62024+125%1979
California GullLaridae61985-11%1983
Purple FinchFringillidae51979+400%1972
Tree SwallowHirundinidae52023-75%1977
BushtitAegithalidae51980n/an/a
Lazuli BuntingCardinalidae42024+80%1979
Bald EagleAccipitridae42023+75%1997
Northern HarrierAccipitridae41998+75%1985
Ring-billed GullLaridae32010-89%1977
Red-tailed HawkAccipitridae32024-55%1977
Western Wood-PeweeTyrannidae32024+29%1978
House FinchFringillidae32024-75%1977
Green-tailed TowheePasserellidae32024-25%1981
GadwallAnatidae32024+50%1985
Turkey VultureCathartidae32023+22%1979
Western KingbirdTyrannidae32024+33%1981
Brewer's SparrowPasserellidae32024-71%1980
Red-breasted NuthatchSittidae32019-20%1990
Hairy WoodpeckerPicidae32018+60%2000

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