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BBS Route · California · BCR 33

Greenwater V Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 38 species recorded across 37 survey years, still active.

38Species 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 →
1972–2024Span
3Observers

Bird Species Found on California Greenwater V

Top 38 of 38 species by most recent count. Each links to its species trend.

Species recorded on the Greenwater V 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
Black-throated SparrowPasserellidae472024-9%1977
Horned LarkAlaudidae332024+190%1977
Northern MockingbirdMimidae242024+132%1979
Mourning DoveColumbidae172024+43%1979
House FinchFringillidae132023+171%1977
Lark SparrowPasserellidae71998+167%1979
Lesser NighthawkCaprimulgidae62024+88%1990
Rock WrenTroglodytidae42024+33%1979
Rock PigeonColumbidae41998+33%1987
Brewer's SparrowPasserellidae32024-29%1978
Loggerhead ShrikeLaniidae32024+0%1979
White-throated SwiftApodidae22015+67%1981
Brown-headed CowbirdIcteridae22023-25%1980
Cactus WrenTroglodytidae22016+100%1993
ChukarPhasianidae22018+100%2014
Cassin's SparrowPasserellidae22019n/an/a
Western KingbirdTyrannidae11986+33%1977
Ash-throated FlycatcherTyrannidae12024+0%1982
LeConte's ThrasherMimidae12019-50%1978
Red-tailed HawkAccipitridae12021+33%1979
American KestrelFalconidae11975n/an/a
Say's PhoebeTyrannidae12023+0%1978
Common RavenCorvidae12022-33%1978
Hooded OrioleIcteridae11977n/an/a
Golden EagleAccipitridae11978n/an/a
Costa's HummingbirdTrochilidae12024+25%1981
Bullock's OrioleIcteridae12021+0%1982
Western MeadowlarkIcteridae11998-71%1980
Blue-gray GnatcatcherPolioptilidae12001-25%1992
Gray FlycatcherTyrannidae11980n/an/a
Prairie FalconFalconidae12024-50%1981
Canyon WrenTroglodytidae11989+0%1981
Barn SwallowHirundinidae11982n/an/a
Gambel's QuailOdontophoridae11984n/an/a
Greater RoadrunnerCuculidae11991n/an/a
Turkey VultureCathartidae12015+0%1993
Burrowing OwlStrigidae12002n/an/a
Common PoorwillCaprimulgidae12016n/an/a

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