BirdAnalyst
BBS Route · Arizona · BCR 33

Riviera Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 62 species recorded across 29 survey years, still active.

62Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2025Span
4Observers

Bird Species Found on Arizona Riviera

Top 40 of 62 species by most recent count. Each links to its species trend.

Species recorded on the Riviera 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 SparrowPasserellidae822025-36%1994
House FinchFringillidae302025-56%1994
Gambel's QuailOdontophoridae282025-63%1994
House SparrowPasseridae142025-78%1994
Ash-throated FlycatcherTyrannidae132025-54%1994
Mourning DoveColumbidae102025-33%1994
Canyon WrenTroglodytidae92025+333%1995
Common RavenCorvidae72025+8%1996
Cactus WrenTroglodytidae72025-75%1994
Great-tailed GrackleIcteridae72025+440%2008
Lucy's WarblerParulidae62025-18%1994
Turkey VultureCathartidae52025+67%1994
Curve-billed ThrasherMimidae52025+38%1996
VerdinRemizidae52025-67%1994
Horned LarkAlaudidae42025+20%1997
Song SparrowPasserellidae42024+200%2019
White-throated SwiftApodidae32025-50%1994
Western KingbirdTyrannidae32019-29%1994
Abert's TowheePasserellidae32021+25%2011
Eurasian Collared-DoveColumbidae32025-33%2011
Hooded OrioleIcteridae22016+33%1996
Canyon TowheePasserellidae22024-67%1994
PhainopeplaPtiliogonatidae22025-74%1994
Northern MockingbirdMimidae22025-93%1994
White-winged DoveColumbidae22025+157%2000
Bendire's ThrasherMimidae22018+0%1998
American KestrelFalconidae22025+67%2010
Violet-green SwallowHirundinidae22007n/an/a
Western Screech-OwlStrigidae12011-50%1992
Greater RoadrunnerCuculidae12024-63%2000
Ladder-backed WoodpeckerPicidae12025-20%1994
Gila WoodpeckerPicidae12025-25%2000
Costa's HummingbirdTrochilidae12025-82%1994
Brown-crested FlycatcherTyrannidae12025-60%2008
Say's PhoebeTyrannidae12025-77%1994
Scott's OrioleIcteridae12018-73%1994
Lesser GoldfinchFringillidae12025-88%1994
Loggerhead ShrikeLaniidae12025-25%1994
Bell's VireoVireonidae12018-63%1994
Rock WrenTroglodytidae12025-14%1994

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