BirdAnalyst
BBS Route · Arizona · BCR 33

Florence Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 77 species recorded across 9 survey years, no longer active.

77Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–1988Span
6Observers

Bird Species Found on Arizona Florence

Top 40 of 77 species by most recent count. Each links to its species trend.

Species recorded on the Florence 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
House SparrowPasseridae641988+50%1971
House FinchFringillidae591988+23%1971
Gambel's QuailOdontophoridae521988-3%1971
VerdinRemizidae471988-7%1971
Cactus WrenTroglodytidae461988-34%1971
Mourning DoveColumbidae421988-2%1971
White-winged DoveColumbidae381988-15%1971
Gila WoodpeckerPicidae331988+1%1971
Cliff SwallowHirundinidae301976+236%1972
Curve-billed ThrasherMimidae191988-47%1971
Northern MockingbirdMimidae181988+250%1973
Great-tailed GrackleIcteridae171988+139%1971
Red-winged BlackbirdIcteridae161988-68%1971
European StarlingSturnidae141988+154%1971
Chihuahuan RavenCorvidae131968n/an/a
Gilded FlickerPicidae121988-21%1971
Ash-throated FlycatcherTyrannidae121988-61%1971
Lucy's WarblerParulidae91988+63%1973
Bronzed CowbirdIcteridae91988+36%1973
Lark SparrowPasserellidae81975-56%1974
Western MeadowlarkIcteridae81988n/an/a
Northern CardinalCardinalidae71988+13%1972
White-throated SwiftApodidae71971n/an/a
Inca DoveColumbidae61976-65%1971
Brown-crested FlycatcherTyrannidae61988-57%1968
Canyon TowheePasserellidae61972+38%1970
Brown-headed CowbirdIcteridae51976-36%1972
Black-throated SparrowPasserellidae51988+61%1971
PyrrhuloxiaCardinalidae51968n/an/a
Yellow-breasted ChatIcteriidae51988+400%1968
Abert's TowheePasserellidae51988-22%1972
Ruddy DuckAnatidae51972n/an/a
Horned LarkAlaudidae51988+400%1972
Bendire's ThrasherMimidae51976+200%1973
American KestrelFalconidae41976+0%1972
Brewer's BlackbirdIcteridae41972+100%1968
Bullock's OrioleIcteridae31973+200%1970
Northern Rough-winged SwallowHirundinidae31988+117%1971
KilldeerCharadriidae31988+100%1972
Bewick's WrenTroglodytidae31988-50%1970

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