BirdAnalyst
BBS Route · Arizona · BCR 34

Blue Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 18 survey years, no longer active.

103Species 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 →
18Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1974–1991Span
2Observers

Bird Species Found on Arizona Blue

Top 40 of 103 species by most recent count. Each links to its species trend.

Species recorded on the Blue 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
American RobinTurdidae341991+224%1976
Violet-green SwallowHirundinidae251991-48%1976
Common RavenCorvidae161991+61%1976
Northern House WrenTroglodytidae111991+182%1979
Cliff SwallowHirundinidae101989-29%1977
Plumbeous VireoVireonidae101991+68%1977
Brewer's BlackbirdIcteridae91991+35%1977
Steller's JayCorvidae81991+46%1976
Pinyon JayCorvidae81991-61%1979
Western TanagerCardinalidae71991-8%1978
Clark's NutcrackerCorvidae61991+29%1976
Pygmy NuthatchSittidae61991+36%1976
Black-tailed GnatcatcherPolioptilidae61974n/an/a
Western BluebirdTurdidae61991-58%1976
Western Wood-PeweeTyrannidae61991-30%1977
BushtitAegithalidae61990-58%1981
Red-tailed HawkAccipitridae51990+83%1977
Ash-throated FlycatcherTyrannidae51990+67%1976
Hermit ThrushTurdidae51991+71%1976
Mourning DoveColumbidae41991+167%1976
Woodhouse's Scrub-JayCorvidae41991+40%1979
Spotted TowheePasserellidae41991-7%1976
White-throated SwiftApodidae41990-17%1977
Cassin's KingbirdTyrannidae41991+67%1977
Mexican JayCorvidae41989-68%1979
Brown-headed CowbirdIcteridae41991+31%1979
House FinchFringillidae41991+300%1984
Olive-sided FlycatcherTyrannidae31988-58%1980
Warbling VireoVireonidae31991-36%1977
Grace's WarblerParulidae31991-40%1976
Rock WrenTroglodytidae31991+14%1977
White-breasted NuthatchSittidae31990+6%1976
Ruby-crowned KingletRegulidae31991+200%1976
Broad-tailed HummingbirdTrochilidae31991-64%1977
Blue-gray GnatcatcherPolioptilidae31989-22%1978
Mountain BluebirdTurdidae31991-50%1978
Pine SiskinFringillidae31987-46%1983
MallardAnatidae31991+200%1984
Northern Pygmy-OwlStrigidae31987n/an/a
Hepatic TanagerCardinalidae31989+200%1987

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