BirdAnalyst
BBS Route · California · BCR 33

Ivanpah Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 55 species recorded across 21 survey years, still active.

55Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2019Span
4Observers

Bird Species Found on California Ivanpah

Top 40 of 55 species by most recent count. Each links to its species trend.

Species recorded on the Ivanpah 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 SparrowPasserellidae522019+7%1994
Ash-throated FlycatcherTyrannidae122019+65%1994
Common RavenCorvidae92019+33%1994
VerdinRemizidae82019+73%1996
Northern MockingbirdMimidae72019+257%1994
Horned LarkAlaudidae62019-51%1994
House FinchFringillidae52019+164%1994
LeConte's ThrasherMimidae52019+150%2002
Bewick's WrenTroglodytidae42019+200%1994
Hooded OrioleIcteridae41994n/an/a
Lesser NighthawkCaprimulgidae42004+133%2002
Eurasian Collared-DoveColumbidae42019n/an/a
Red-tailed HawkAccipitridae32019+0%1996
Ladder-backed WoodpeckerPicidae32019+25%1997
Gambel's QuailOdontophoridae32019+46%1995
PhainopeplaPtiliogonatidae32019+100%1996
Costa's HummingbirdTrochilidae32019+200%1995
Great Blue HeronArdeidae32007n/an/a
Mourning DoveColumbidae22019+18%1994
White-throated SwiftApodidae22019-33%1988
Say's PhoebeTyrannidae22017+100%1995
Loggerhead ShrikeLaniidae22010+14%1994
Crissal ThrasherMimidae22019+100%1995
Greater RoadrunnerCuculidae21994+100%1989
Black-tailed GnatcatcherPolioptilidae22019-67%2017
Gilded FlickerPicidae22019n/an/a
Western KingbirdTyrannidae12005+0%1995
European StarlingSturnidae12005-83%1994
Brown-headed CowbirdIcteridae12008+0%1988
Bullock's OrioleIcteridae12017-33%1998
Pine SiskinFringillidae11988n/an/a
House SparrowPasseridae12017-79%1995
Cactus WrenTroglodytidae12019-18%1994
Blue-gray GnatcatcherPolioptilidae12019+20%1995
Turkey VultureCathartidae12019+25%2000
American KestrelFalconidae12001+0%1989
Scott's OrioleIcteridae12019+75%1999
Canyon WrenTroglodytidae11989n/an/a
Woodhouse's Scrub-JayCorvidae12019-33%1996
Brewer's SparrowPasserellidae12003-60%1995

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