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BBS Route · California · BCR 5

Bodega Bay Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 137 species recorded across 47 survey years, still active.

137Species 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 →
47Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2021Span
3Observers

Bird Species Found on California Bodega Bay

Top 40 of 137 species by most recent count. Each links to its species trend.

Species recorded on the Bodega Bay 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 GullLaridae1012021-19%1974
Canada GooseAnatidae532021+413%2005
Cliff SwallowHirundinidae372021-69%1974
Brown PelicanPelecanidae302021+193%1974
Brandt's CormorantPhalacrocoracidae232017-71%1980
Common RavenCorvidae222021-23%1974
European StarlingSturnidae202021-76%1974
Hermit ThrushTurdidae162021+529%1974
Eurasian Collared-DoveColumbidae162021+22%2011
White-crowned SparrowPasserellidae152021-71%1974
Barn SwallowHirundinidae142021-82%1974
Tree SwallowHirundinidae142011-41%1975
OspreyPandionidae122018-33%1974
Song SparrowPasserellidae122021-43%1974
American CrowCorvidae122021+122%1986
MallardAnatidae112019+160%1986
Rufous HummingbirdTrochilidae92003+100%1978
Brewer's BlackbirdIcteridae82021-49%1974
House FinchFringillidae82019-87%1974
Mourning DoveColumbidae72021-65%1974
WrentitSylviidae72021-40%1974
California QuailOdontophoridae62021-46%1974
Red-winged BlackbirdIcteridae62021-90%1974
Steller's JayCorvidae52021+9%1974
Pelagic CormorantPhalacrocoracidae42019-60%1974
Band-tailed PigeonColumbidae42021-39%1974
Turkey VultureCathartidae42021+59%1974
Western MeadowlarkIcteridae42019-57%1974
American GoldfinchFringillidae42021-50%1974
Lark SparrowPasserellidae42004-54%1974
Marsh WrenTroglodytidae42021-65%1974
Swainson's ThrushTurdidae42019-35%1974
Savannah SparrowPasserellidae42019-54%1976
Cedar WaxwingBombycillidae42016-20%1976
Peregrine FalconFalconidae42021+80%2017
Northern House WrenTroglodytidae42018+233%1987
Common MerganserAnatidae42021-25%2000
Great Blue HeronArdeidae32021-50%1974
Black OystercatcherHaematopodidae32021+33%1976
Red-tailed HawkAccipitridae32021+19%1974

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