BirdAnalyst
BBS Route · California · BCR 33

Joshua Tree 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 44 species recorded across 4 survey years, still active.

44Species 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 →
4Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2013–2025Span
2Observers

Bird Species Found on California Joshua Tree 2

Top 40 of 44 species by most recent count. Each links to its species trend.

Species recorded on the Joshua Tree 2 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 FinchFringillidae482025-24%2014
Mourning DoveColumbidae442025-12%2014
Black-throated SparrowPasserellidae322025+13%2014
Rock PigeonColumbidae292016+53%2013
Cactus WrenTroglodytidae222025-49%2014
White-throated SwiftApodidae212025+91%2014
Common RavenCorvidae172025+9%2014
Ash-throated FlycatcherTyrannidae162025-22%2014
VerdinRemizidae122025-62%2014
Ladder-backed WoodpeckerPicidae82025+29%2014
Costa's HummingbirdTrochilidae62025+75%2014
Northern MockingbirdMimidae62025+62%2014
Turkey VultureCathartidae62025n/an/a
Gambel's QuailOdontophoridae52025-79%2014
Say's PhoebeTyrannidae52025-42%2014
House SparrowPasseridae52025-64%2014
Eurasian Collared-DoveColumbidae42025-72%2014
Yellow-breasted ChatIcteriidae42025n/an/a
Horned LarkAlaudidae32014-73%2013
California Scrub-JayCorvidae32025+25%2014
Scott's OrioleIcteridae32025+50%2014
PhainopeplaPtiliogonatidae32025-47%2014
Red-tailed HawkAccipitridae22025-44%2014
American KestrelFalconidae22025+200%2014
Anna's HummingbirdTrochilidae22016+100%2013
European StarlingSturnidae22016-91%2013
Barn SwallowHirundinidae22013n/an/a
Loggerhead ShrikeLaniidae22025+0%2013
LeConte's ThrasherMimidae22013n/an/a
ChukarPhasianidae22014n/an/a
Great Horned OwlStrigidae12016+0%2013
Greater RoadrunnerCuculidae12016-50%2013
Lesser GoldfinchFringillidae12013n/an/a
Rock WrenTroglodytidae12014-75%2013
Bewick's WrenTroglodytidae12016-95%2013
Hooded OrioleIcteridae12014n/an/a
Great-tailed GrackleIcteridae12014n/an/a
Western KingbirdTyrannidae12016n/an/a
Brown-headed CowbirdIcteridae12016n/an/a
KilldeerCharadriidae12025n/an/a

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.