BirdAnalyst
BBS Route · Utah · BCR 16

Willow Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 68 species recorded across 19 survey years, still active.

68Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1986–2024Span
7Observers

Bird Species Found on Utah Willow Creek

Top 40 of 68 species by most recent count. Each links to its species trend.

Species recorded on the Willow Creek 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
Horned LarkAlaudidae632024+64%1992
Sagebrush SparrowPasserellidae172024+91%1992
Lark SparrowPasserellidae142024-30%1995
Sage ThrasherMimidae132024+93%1997
Common RavenCorvidae132024+283%1999
Rock WrenTroglodytidae112024+18%1992
Blue-gray GnatcatcherPolioptilidae92024+127%1992
Mountain BluebirdTurdidae92024+167%1995
Mourning DoveColumbidae82024+400%1995
Common NighthawkCaprimulgidae72024+11%1992
Brewer's SparrowPasserellidae72024-44%1995
Black-throated Gray WarblerParulidae62024+243%2005
BushtitAegithalidae62006+250%1999
Black-billed MagpieCorvidae52005+71%1995
Savannah SparrowPasserellidae52001+400%1997
Greater Sage-GrousePhasianidae41998+100%1986
Black-throated SparrowPasserellidae42024+17%1992
House FinchFringillidae42024-4%2000
Western BluebirdTurdidae42001+300%2000
Steller's JayCorvidae42002n/an/a
Loggerhead ShrikeLaniidae32024+38%1995
Gray FlycatcherTyrannidae32024+120%1997
Juniper TitmouseParidae32024-11%1999
Say's PhoebeTyrannidae32024+20%1997
American GoldfinchFringillidae31995n/an/a
KilldeerCharadriidae32001+150%1999
Song SparrowPasserellidae32000n/an/a
Ash-throated FlycatcherTyrannidae22024-31%1996
Woodhouse's Scrub-JayCorvidae22004-31%1998
Western MeadowlarkIcteridae22013-71%1992
Pinyon JayCorvidae22024+39%1997
Chipping SparrowPasserellidae22024-43%1996
Vesper SparrowPasserellidae22021-57%1998
Great-tailed GrackleIcteridae21997n/an/a
Bewick's WrenTroglodytidae22024-60%2002
Golden EagleAccipitridae12006+0%1998
American KestrelFalconidae12005+25%1998
Pine SiskinFringillidae12013-14%1998
Plumbeous VireoVireonidae12006+0%1986
Red-tailed HawkAccipitridae12023-40%1999

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