BirdAnalyst
BBS Route · Arizona · BCR 16

Cow Springs Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 56 species recorded across 15 survey years, still active.

56Species 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 →
15Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2022Span
3Observers

Bird Species Found on Arizona Cow Springs

Top 40 of 56 species by most recent count. Each links to its species trend.

Species recorded on the Cow Springs 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
Common RavenCorvidae182022-21%1994
Horned LarkAlaudidae112022-49%1994
Ash-throated FlycatcherTyrannidae92022+72%1994
Violet-green SwallowHirundinidae92021+157%1998
Pinyon JayCorvidae82021-28%1994
Northern MockingbirdMimidae82022+15%1995
Sagebrush SparrowPasserellidae72019-31%1997
Western BluebirdTurdidae72022+138%1995
Woodhouse's Scrub-JayCorvidae62022+44%1994
Black-throated SparrowPasserellidae62021-51%2017
Chipping SparrowPasserellidae52022-55%1995
Scott's OrioleIcteridae52022+200%1997
House FinchFringillidae42022+157%1994
Mountain BluebirdTurdidae42022+27%1995
American RobinTurdidae42022+200%1999
Juniper TitmouseParidae42022+13%1998
Vesper SparrowPasserellidae42000n/an/a
Loggerhead ShrikeLaniidae32017+25%1996
House SparrowPasseridae32022-8%1995
Rock PigeonColumbidae21992n/an/a
Mourning DoveColumbidae22022+43%1994
Say's PhoebeTyrannidae22021+0%1994
Sage ThrasherMimidae22000-44%1996
Black-throated Gray WarblerParulidae22022+100%1998
White-breasted NuthatchSittidae22017-33%1996
Barn SwallowHirundinidae22000+100%1997
Plumbeous VireoVireonidae22018+100%2017
MallardAnatidae22019+100%2018
Green-tailed TowheePasserellidae22018n/an/a
Spotted TowheePasserellidae22022+100%2019
American KestrelFalconidae12019-33%1994
White-throated SwiftApodidae12021-44%1994
Western KingbirdTyrannidae12022+114%1994
Lark SparrowPasserellidae12022+300%1994
Mountain ChickadeeParidae12019-8%1996
Turkey VultureCathartidae12022+0%1996
Western MeadowlarkIcteridae12019-60%1995
Bewick's WrenTroglodytidae12022+0%1996
BushtitAegithalidae12021-63%2017
Prairie FalconFalconidae12018+0%1994

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