BirdAnalyst
BBS Route · Arizona · BCR 33

Palo Verde 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 11 survey years, still active.

76Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2014–2025Span
1Observers

Bird Species Found on Arizona Palo Verde 2

Top 40 of 76 species by most recent count. Each links to its species trend.

Species recorded on the Palo Verde 2 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 BlackbirdIcteridae2752025-31%2016
Mourning DoveColumbidae812025-46%2016
Neotropic CormorantPhalacrocoracidae42202526×2022
White-winged DoveColumbidae392025-12%2016
Western KingbirdTyrannidae312025+33%2016
House SparrowPasseridae312025+1%2016
Great-tailed GrackleIcteridae242025-22%2016
Gambel's QuailOdontophoridae232025+3%2016
European StarlingSturnidae212025+18%2016
Ash-throated FlycatcherTyrannidae162025+44%2016
Northern Rough-winged SwallowHirundinidae152025-2%2016
Eurasian Collared-DoveColumbidae152025-43%2016
KilldeerCharadriidae132025-4%2016
House FinchFringillidae132025+24%2016
Cliff SwallowHirundinidae102025-89%2016
Yellow-headed BlackbirdIcteridae82025-90%2016
Great Blue HeronArdeidae72025+73%2016
Black-necked StiltRecurvirostridae62024+117%2016
Burrowing OwlStrigidae62025+60%2017
Red-tailed HawkAccipitridae52025+25%2016
Horned LarkAlaudidae52025+100%2016
Bullock's OrioleIcteridae52025+0%2016
Abert's TowheePasserellidae52025+220%2017
American CootRallidae52023+400%2021
MallardAnatidae42025+8%2016
Brown-headed CowbirdIcteridae42025-5%2016
Yellow WarblerParulidae42024+33%2016
Cactus WrenTroglodytidae42024+0%2017
Black VultureCathartidae42023-20%2017
Rock PigeonColumbidae42023+200%2019
Black PhoebeTyrannidae32025+233%2016
Song SparrowPasserellidae32025+100%2018
Lucy's WarblerParulidae32025-11%2016
Northern MockingbirdMimidae32025-50%2016
Common RavenCorvidae32024+0%2017
Lesser GoldfinchFringillidae32015n/an/a
Western Cattle-EgretArdeidae32022+71%2019
Snowy EgretArdeidae32024-80%2022
Great EgretArdeidae22025+80%2018
Gilded FlickerPicidae22025-56%2016

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