BirdAnalyst
BBS Route · California · BCR 33

Cadiz Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 17 species recorded across 3 survey years, still active.

17Species 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 →
3Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–1992Span
2Observers

Bird Species Found on California Cadiz

Top 17 of 17 species by most recent count. Each links to its species trend.

Species recorded on the Cadiz 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
House SparrowPasseridae241992+41%1988
Western KingbirdTyrannidae51991+67%1988
Mourning DoveColumbidae31992-63%1988
Ash-throated FlycatcherTyrannidae31988n/an/a
Red-tailed HawkAccipitridae21988n/an/a
Common RavenCorvidae21992-33%1988
LeConte's ThrasherMimidae21988n/an/a
VerdinRemizidae21988n/an/a
Brewer's BlackbirdIcteridae21991n/an/a
Turkey VultureCathartidae21992n/an/a
Say's PhoebeTyrannidae11992-67%1988
Horned LarkAlaudidae11992-95%1988
European StarlingSturnidae11992-88%1988
Black-throated SparrowPasserellidae11988n/an/a
Northern MockingbirdMimidae11988n/an/a
Cactus WrenTroglodytidae11988n/an/a
House FinchFringillidae11991n/an/a

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