BirdAnalyst
BBS Route · Arizona · BCR 34

San Simon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 88 species recorded across 38 survey years, still active.

88Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2024Span
8Observers

Bird Species Found on Arizona San Simon

Top 40 of 88 species by most recent count. Each links to its species trend.

Species recorded on the San Simon 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 SparrowPasserellidae1362024+106%1971
Mourning DoveColumbidae332024+12%1971
Gambel's QuailOdontophoridae312024+130%1971
Lesser NighthawkCaprimulgidae232024+160%1971
Cactus WrenTroglodytidae222024-21%1971
Ash-throated FlycatcherTyrannidae192024+40%1972
Northern MockingbirdMimidae152024-68%1971
Chihuahuan RavenCorvidae142022+258%1984
Lucy's WarblerParulidae122024+9%1971
Common RavenCorvidae112024+425%1998
House FinchFringillidae92024+75%1971
Western KingbirdTyrannidae72024-69%1971
Loggerhead ShrikeLaniidae72024+7%1971
Turkey VultureCathartidae72024+425%1977
Swainson's HawkAccipitridae72024+360%1977
BushtitAegithalidae72001n/an/a
White-throated SwiftApodidae62017-25%1974
Red-tailed HawkAccipitridae62024+125%1976
Violet-green SwallowHirundinidae61982+20%1974
White-winged DoveColumbidae52024+95%1995
Crissal ThrasherMimidae42024-46%1980
Northern Rough-winged SwallowHirundinidae41995n/an/a
Lark SparrowPasserellidae42001n/an/a
Horned LarkAlaudidae32023-20%1974
Bronzed CowbirdIcteridae31980+0%1976
Spotted TowheePasserellidae31979+200%1974
Bendire's ThrasherMimidae32010+40%1979
Brewer's BlackbirdIcteridae31979+0%1976
Cassin's SparrowPasserellidae32019+233%1984
Scaled QuailOdontophoridae22023-32%1971
Brown-headed CowbirdIcteridae22024-33%1971
Western MeadowlarkIcteridae21995-25%1971
Canyon TowheePasserellidae22022-20%1971
VerdinRemizidae22024-71%1971
Scott's OrioleIcteridae22024-57%1974
Black-tailed GnatcatcherPolioptilidae22023-17%1982
Common PoorwillCaprimulgidae22017-25%1992
Cassin's KingbirdTyrannidae22024-43%1976
Golden EagleAccipitridae22024+67%1977
Bullock's OrioleIcteridae22024+0%1979

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