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BBS Route · California · BCR 9

Davis Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 140 species recorded across 37 survey years, still active.

140Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2025Span
11Observers

Bird Species Found on California Davis Creek

Top 40 of 140 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 MeadowlarkIcteridae1112025+188%1977
Red-winged BlackbirdIcteridae312025-48%1977
Cliff SwallowHirundinidae272025+10%1977
European StarlingSturnidae252025+18%1977
California QuailOdontophoridae212025+31%1977
Brewer's BlackbirdIcteridae202025-56%1977
Eurasian Collared-DoveColumbidae202025+120%2014
American RobinTurdidae142025-59%1977
Mourning DoveColumbidae112025-70%1977
Black-billed MagpieCorvidae112025-38%1977
Bullock's OrioleIcteridae102025+200%1977
Western TanagerCardinalidae102025+321%1978
Wilson's SnipeScolopacidae92025+417%1977
White-faced IbisThreskiornithidae92022+197%2010
Northern House WrenTroglodytidae82024+100%1980
Western Wood-PeweeTyrannidae72025+18%1978
Spotted TowheePasserellidae72025+163%1979
Sandhill CraneGruidae62025+30%1977
Western KingbirdTyrannidae62025+56%1981
California GullLaridae61985-11%1983
WilletScolopacidae52025-27%1977
Purple FinchFringillidae51979+400%1972
Common NighthawkCaprimulgidae52025+71%1981
BushtitAegithalidae51980n/an/a
KilldeerCharadriidae42025-52%1977
Vesper SparrowPasserellidae42025-43%1978
Tree SwallowHirundinidae42025-71%1977
California Scrub-JayCorvidae42025-33%1981
Northern HarrierAccipitridae41998+75%1985
Gray FlycatcherTyrannidae42025+0%1990
Ring-billed GullLaridae32010-89%1977
Horned LarkAlaudidae32025+60%1978
Steller's JayCorvidae32025-33%1977
House FinchFringillidae32025-83%1977
Green-tailed TowheePasserellidae32024-25%1981
House SparrowPasseridae32025+175%1983
Lazuli BuntingCardinalidae32025+80%1979
Turkey VultureCathartidae32023+22%1979
Chipping SparrowPasserellidae32025-83%1979
Brewer's SparrowPasserellidae32025-75%1980

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.