BirdAnalyst
BBS Route · California · BCR 33

Cholla Gard. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 49 species recorded across 26 survey years, no longer active.

49Species 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1995–2021Span
3Observers

Bird Species Found on California Cholla Gard.

Top 40 of 49 species by most recent count. Each links to its species trend.

Species recorded on the Cholla Gard. 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
Northern MockingbirdMimidae192019+10%1997
Mourning DoveColumbidae112021+90%1997
Black-throated SparrowPasserellidae112021-84%1997
Ash-throated FlycatcherTyrannidae92019-81%1997
Common RavenCorvidae92021-28%1997
Horned LarkAlaudidae82019+67%2001
Red-tailed HawkAccipitridae32021+17%1997
Say's PhoebeTyrannidae32019+0%1997
Pinyon JayCorvidae32012-29%2001
European StarlingSturnidae32006+33%2003
Bendire's ThrasherMimidae31998+50%1995
Turkey VultureCathartidae32019+133%2000
Brown-headed CowbirdIcteridae32003+200%1997
Black-chinned SparrowPasserellidae32001+200%2000
Gambel's QuailOdontophoridae22021-88%1997
American KestrelFalconidae22018+33%1999
White-throated SwiftApodidae22021-21%1997
Costa's HummingbirdTrochilidae22017-38%2000
Scott's OrioleIcteridae22021-79%1997
Black-headed GrosbeakCardinalidae21995n/an/a
PhainopeplaPtiliogonatidae22019-58%1997
Loggerhead ShrikeLaniidae22021+57%1997
Cactus WrenTroglodytidae22021-89%1997
BushtitAegithalidae22012+0%1998
Prairie FalconFalconidae22009+100%1998
Lesser GoldfinchFringillidae22013-57%2003
Western KingbirdTyrannidae12021-67%1997
California Scrub-JayCorvidae12021+0%2001
House FinchFringillidae12021-74%1997
LeConte's ThrasherMimidae12003+0%1998
Rock WrenTroglodytidae12011-43%2003
Bewick's WrenTroglodytidae12019-63%1997
Ladder-backed WoodpeckerPicidae12019-75%1998
Oak TitmouseParidae12001-50%1996
VerdinRemizidae12021+40%1999
Blue-gray GnatcatcherPolioptilidae11999-75%1996
Anna's HummingbirdTrochilidae12017+67%2000
Black-tailed GnatcatcherPolioptilidae12018+50%1999
Lesser NighthawkCaprimulgidae12003+0%1999
Western MeadowlarkIcteridae12009-50%2001

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