BirdAnalyst
BBS Route · Arizona · BCR 33

Willow Beach Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 30 species recorded across 8 survey years, no longer active.

30Species 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 →
8Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1989–1997Span
2Observers

Bird Species Found on Arizona Willow Beach

Top 30 of 30 species by most recent count. Each links to its species trend.

Species recorded on the Willow Beach 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 SparrowPasserellidae381997-16%1992
Ash-throated FlycatcherTyrannidae271997+114%1992
VerdinRemizidae81997-48%1992
Black-tailed GnatcatcherPolioptilidae61997-39%1992
House FinchFringillidae41997+44%1992
Rock WrenTroglodytidae41997+0%1994
Horned LarkAlaudidae31997+25%1993
Scott's OrioleIcteridae31994n/an/a
Great-tailed GrackleIcteridae31995n/an/a
Gambel's QuailOdontophoridae21994+20%1992
Common RavenCorvidae21997-13%1992
Barn SwallowHirundinidae21989n/an/a
Cactus WrenTroglodytidae21996+0%1992
Say's PhoebeTyrannidae21996+67%1993
Lucy's WarblerParulidae21995+100%1993
PhainopeplaPtiliogonatidae21996+100%1994
Mourning DoveColumbidae11996-44%1992
Turkey VultureCathartidae11997+33%1994
Western TanagerCardinalidae11989n/an/a
Northern Rough-winged SwallowHirundinidae11989n/an/a
Loggerhead ShrikeLaniidae11997-14%1993
LeConte's ThrasherMimidae11989n/an/a
Red-tailed HawkAccipitridae11997-20%1994
Golden EagleAccipitridae11990n/an/a
Great Horned OwlStrigidae11995+0%1993
Western KingbirdTyrannidae11997-78%1993
Brown-headed CowbirdIcteridae11996-50%1994
Canyon TowheePasserellidae11993-50%1992
Northern MockingbirdMimidae11996-40%1993
Costa's HummingbirdTrochilidae11995+0%1993

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