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BBS Route · California · BCR 9

Cedarville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 133 species recorded across 27 survey years, still active.

133Species 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 →
27Years 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
9Observers

Bird Species Found on California Cedarville

Top 40 of 133 species by most recent count. Each links to its species trend.

Species recorded on the Cedarville 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
European StarlingSturnidae3672025+205%1977
Red-winged BlackbirdIcteridae2432025-34%1977
Brown-headed CowbirdIcteridae602025+8%1991
Double-crested CormorantPhalacrocoracidae602024n/an/a
White-faced IbisThreskiornithidae552025+45%2002
Brewer's BlackbirdIcteridae542025-42%1977
California QuailOdontophoridae412025+161%1977
Western MeadowlarkIcteridae392025-20%1977
California GullLaridae32197832×1975
Eurasian Collared-DoveColumbidae242025-19%2014
Bullock's OrioleIcteridae202025+125%1977
Rock PigeonColumbidae182025-44%1977
House SparrowPasseridae152025-35%1977
GadwallAnatidae142019+133%1994
WilletScolopacidae142025-52%1977
House FinchFringillidae142025-65%1978
Western KingbirdTyrannidae132025+106%1977
Bank SwallowHirundinidae13202413×1994
American White PelicanPelecanidae13201713×2015
Common RavenCorvidae122025+327%1978
BushtitAegithalidae122017+7%2001
Red-tailed HawkAccipitridae112025+236%1978
Barn SwallowHirundinidae112025-41%1977
Sandhill CraneGruidae102025+23%1978
Black-billed MagpieCorvidae102025+21%1977
American RobinTurdidae92025-44%1977
American AvocetRecurvirostridae82025+267%2013
Long-billed CurlewScolopacidae82019-52%1978
Eared GrebePodicipedidae61974n/an/a
KilldeerCharadriidae62025-63%1977
Mountain ChickadeeParidae51978n/an/a
Lesser GoldfinchFringillidae52025-22%2001
Wilson's SnipeScolopacidae42025-58%1977
Lazuli BuntingCardinalidae42025+8%1990
Northern House WrenTroglodytidae42025+0%1982
Greater Sage-GrousePhasianidae41978n/an/a
Cliff SwallowHirundinidae42019-53%1990
Warbling VireoVireonidae42024+150%1991
Turkey VultureCathartidae32025-15%1977
American CrowCorvidae32025-41%1977

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