BirdAnalyst
BBS Route · California · BCR 32

Buena Vista Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 71 species recorded across 11 survey years, still active.

71Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2019Span
2Observers

Bird Species Found on California Buena Vista

Top 40 of 71 species by most recent count. Each links to its species trend.

Species recorded on the Buena Vista 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
Red-winged BlackbirdIcteridae3032019+64%1993
Cliff SwallowHirundinidae2212019+83%1993
Brewer's BlackbirdIcteridae2082019-5%1993
Black-necked StiltRecurvirostridae842019+185%1994
House SparrowPasseridae592019-14%1993
Common RavenCorvidae37201920×1993
American CrowCorvidae361999+31%1993
Mourning DoveColumbidae322019+94%1993
House FinchFringillidae282019-66%1993
Western KingbirdTyrannidae242019+13%1993
KilldeerCharadriidae222019+42%1993
Barn SwallowHirundinidae132018-5%1993
Horned LarkAlaudidae112019-62%1993
MallardAnatidae112019+557%1994
European StarlingSturnidae102019+91%1993
Northern MockingbirdMimidae102019+23%1993
White-faced IbisThreskiornithidae92019-91%2017
Great EgretArdeidae8201912×1999
Swainson's HawkAccipitridae82019+100%2017
Great-tailed GrackleIcteridae82019+167%2018
Burrowing OwlStrigidae72019+13%1993
Loggerhead ShrikeLaniidae72019-37%1993
California Scrub-JayCorvidae72019+40%2017
Black-crowned Night HeronArdeidae62019+200%1990
Black PhoebeTyrannidae62019+100%2017
Eurasian Collared-DoveColumbidae62019-57%2017
Clark's GrebePodicipedidae62019n/an/a
Ruddy DuckAnatidae62019n/an/a
Brown-headed CowbirdIcteridae42019-74%1994
Yellow-headed BlackbirdIcteridae42019+300%1991
Rock PigeonColumbidae42019+119%1997
Double-crested CormorantPhalacrocoracidae42019n/an/a
Greater RoadrunnerCuculidae32017+100%1993
Lark SparrowPasserellidae32019-47%1993
GadwallAnatidae32017+50%1993
Red-tailed HawkAccipitridae32019+111%1995
Blue GrosbeakCardinalidae31994+200%1993
Cinnamon TealAnatidae22018-63%1996
Tricolored BlackbirdIcteridae2201724×1994
American RobinTurdidae22019-63%1993

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