BirdAnalyst
BBS Route · Arizona · BCR 34

Portal Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 134 species recorded across 43 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2025Span
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
Acorn WoodpeckerPicidae362025+347%1977
Gambel's QuailOdontophoridae292025+233%1977
Spotted TowheePasserellidae252025+673%1977
Black-headed GrosbeakCardinalidae242025+425%1977
White-winged DoveColumbidae232025+285%1977
Dusky-capped FlycatcherTyrannidae222025+960%1978
White-throated SwiftApodidae212025+6%1977
Mexican JayCorvidae212025+26%1977
Brown-crested FlycatcherTyrannidae19202511×1978
Mourning DoveColumbidae182025+77%1977
Ash-throated FlycatcherTyrannidae182025+571%1977
Black-throated SparrowPasserellidae182025+228%1977
Bewick's WrenTroglodytidae182025+214%1977
House FinchFringillidae182025+240%1978
Western Wood-PeweeTyrannidae172025+42%1977
Yellow-eyed JuncoPasserellidae152025+76%1977
Scott's OrioleIcteridae152025+255%1979
White-breasted NuthatchSittidae132025+460%1977
Cactus WrenTroglodytidae122025+340%1977
American RobinTurdidae122025+37%1977
Black-throated Gray WarblerParulidae112025+557%1977
BushtitAegithalidae112025+167%1977
Northern MockingbirdMimidae112025+686%1978
Woodhouse's Scrub-JayCorvidae102025+80%1979
Common RavenCorvidae102025+600%1982
Northern CardinalCardinalidae102025+200%1977
Plumbeous VireoVireonidae102025+286%1978
Broad-tailed HummingbirdTrochilidae102025+175%1979
Blue-gray GnatcatcherPolioptilidae102025+146%2014
Cassin's KingbirdTyrannidae92025-7%1977
Hutton's VireoVireonidae92025+700%1978
Bridled TitmouseParidae92025+140%1977
Blue GrosbeakCardinalidae82025+67%1980
Western TanagerCardinalidae72025+500%1977
Hepatic TanagerCardinalidae72025+100%1978
Canyon TowheePasserellidae62025+75%1977
Grace's WarblerParulidae62025+113%1978
Northern House WrenTroglodytidae62025+700%1985
Western KingbirdTyrannidae52014+0%1979
Steller's JayCorvidae52025+92%1977

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