BirdAnalyst
BBS Route · Arizona · BCR 33

Palo Verde Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 80 species recorded across 22 survey years, no longer active.

80Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2013Span
2Observers

Bird Species Found on Arizona Palo Verde

Top 40 of 80 species by most recent count. Each links to its species trend.

Species recorded on the Palo Verde 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
Red-winged BlackbirdIcteridae3052013+163%1994
Mourning DoveColumbidae1542013-48%1994
White-winged DoveColumbidae1022013-21%1994
Western Cattle-EgretArdeidae80200820×2003
KilldeerCharadriidae252013+242%1994
Gambel's QuailOdontophoridae252013+47%1994
House SparrowPasseridae252013-32%1994
Yellow-headed BlackbirdIcteridae212013+380%2002
Northern Rough-winged SwallowHirundinidae202013+63%1994
Great-tailed GrackleIcteridae192013+46%1994
Horned LarkAlaudidae182013-76%1994
Eurasian Collared-DoveColumbidae152013-20%2007
Western KingbirdTyrannidae142013+54%1994
Brown-headed CowbirdIcteridae122013+26%1994
Ash-throated FlycatcherTyrannidae112013+169%1994
House FinchFringillidae102013-71%1994
Double-crested CormorantPhalacrocoracidae92012n/an/a
European StarlingSturnidae82013+35%1994
VerdinRemizidae82013-40%1994
Western MeadowlarkIcteridae72013-33%1994
Red-tailed HawkAccipitridae62013-7%1994
PhainopeplaPtiliogonatidae62013-49%1994
Great Blue HeronArdeidae62013+83%1999
Lark SparrowPasserellidae62013+40%2003
Rock PigeonColumbidae42004+100%1992
Bullock's OrioleIcteridae42013+0%2000
Abert's TowheePasserellidae42013+31%1994
Cliff SwallowHirundinidae42013-38%1996
Northern MockingbirdMimidae42013-4%1994
MallardAnatidae42013+425%2010
Common RavenCorvidae42013+50%2002
Barn SwallowHirundinidae32013-46%1999
Cassin's KingbirdTyrannidae32006+25%1998
Bendire's ThrasherMimidae32011+200%1998
Snowy EgretArdeidae32012+18%2005
Inca DoveColumbidae22006-18%1994
Lesser NighthawkCaprimulgidae22012+83%1994
Black-chinned HummingbirdTrochilidae22011+0%1999
Brown-crested FlycatcherTyrannidae22004+200%2002
Black-tailed GnatcatcherPolioptilidae22013-79%1994

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