BirdAnalyst
BBS Route · Arizona · BCR 34

Portal Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 134 species recorded across 42 survey years, still active.

134Species 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 →
42Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2024Span
6Observers

Bird Species Found on Arizona Portal

Top 40 of 134 species by most recent count. Each links to its species trend.

Species recorded on the Portal 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
Mexican JayCorvidae322024+27%1977
Spotted TowheePasserellidae292024+555%1977
Gambel's QuailOdontophoridae212024+208%1977
Mourning DoveColumbidae202024+103%1977
Ash-throated FlycatcherTyrannidae202024+486%1977
Black-headed GrosbeakCardinalidae202024+317%1977
Brown-crested FlycatcherTyrannidae202024+820%1978
Western Wood-PeweeTyrannidae192024+29%1977
Acorn WoodpeckerPicidae182024+277%1977
Black-throated SparrowPasserellidae182024+222%1977
Black-throated Gray WarblerParulidae182024+486%1977
White-winged DoveColumbidae172024+255%1977
Scott's OrioleIcteridae172024+182%1979
Dusky-capped FlycatcherTyrannidae162024+820%1978
Northern MockingbirdMimidae162024+586%1978
White-throated SwiftApodidae142024+3%1977
Steller's JayCorvidae122024+62%1977
Yellow-eyed JuncoPasserellidae122024+48%1977
House SparrowPasseridae122006+214%1996
Plumbeous VireoVireonidae112024+271%1978
BushtitAegithalidae112023+89%1977
Canyon TowheePasserellidae102024+83%1977
Hutton's VireoVireonidae102024+467%1978
Blue GrosbeakCardinalidae102024+73%1980
Painted RedstartParulidae102024+50%1983
Bewick's WrenTroglodytidae92024+121%1977
Bridled TitmouseParidae92024+110%1977
Turkey VultureCathartidae92024+400%1978
Greater PeweeTyrannidae92024+167%1980
Cassin's KingbirdTyrannidae82024-21%1977
American RobinTurdidae82024+19%1977
Rufous-crowned SparrowPasserellidae82024+125%1982
Northern House WrenTroglodytidae82024+900%1985
Arizona WoodpeckerPicidae72024+225%1977
Common RavenCorvidae72024+400%1982
Hepatic TanagerCardinalidae72024+70%1978
House FinchFringillidae72024+90%1978
Blue-gray GnatcatcherPolioptilidae72024+64%2014
Northern CardinalCardinalidae62024+100%1977
Chipping SparrowPasserellidae62021+100%1981

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