BirdAnalyst
BBS Route · California · BCR 32

Maricopa Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 53 species recorded across 25 survey years, still active.

53Species 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 →
25Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2025Span
5Observers

Bird Species Found on California Maricopa

Top 40 of 53 species by most recent count. Each links to its species trend.

Species recorded on the Maricopa 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
Mourning DoveColumbidae302025-17%1972
Western MeadowlarkIcteridae272025+178%1972
House SparrowPasseridae272025-47%1972
California QuailOdontophoridae222025+25%1972
Common RavenCorvidae182025+450%1977
Tricolored BlackbirdIcteridae151995+400%1986
House FinchFringillidae142025-63%1972
Northern MockingbirdMimidae122025+81%1972
Horned LarkAlaudidae92025-83%1972
Lark SparrowPasserellidae92024-13%1987
Bell's SparrowPasserellidae82025-54%1972
European StarlingSturnidae72025-80%1972
Loggerhead ShrikeLaniidae62025-57%1972
Brewer's BlackbirdIcteridae52025-43%1972
Cliff SwallowHirundinidae52025-92%1973
Red-winged BlackbirdIcteridae52025-84%1982
Brown-headed CowbirdIcteridae42025+25%1982
Yellow-headed BlackbirdIcteridae41977n/an/a
Lesser GoldfinchFringillidae42025+100%1987
Bewick's WrenTroglodytidae42025n/an/a
American AvocetRecurvirostridae31990n/an/a
KilldeerCharadriidae22025-14%1973
Greater RoadrunnerCuculidae21993-17%1972
Western KingbirdTyrannidae22025-55%1972
Red-tailed HawkAccipitridae22024+25%1977
Rock WrenTroglodytidae22024-56%1982
Northern Rough-winged SwallowHirundinidae22024-50%1988
Black-necked StiltRecurvirostridae21990-80%1988
MallardAnatidae21994n/an/a
Turkey VultureCathartidae22024n/an/a
Eurasian Collared-DoveColumbidae22025+100%2024
Rock PigeonColumbidae11997+50%1977
American KestrelFalconidae12025+0%1970
Lesser NighthawkCaprimulgidae12025-53%1979
Say's PhoebeTyrannidae12024-46%1972
Bullock's OrioleIcteridae12024-64%1972
LeConte's ThrasherMimidae12025-94%1972
Swainson's ThrushTurdidae11970n/an/a
Chipping SparrowPasserellidae12025+0%1971
Anna's HummingbirdTrochilidae11972n/an/a

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