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BBS Route · Utah · BCR 9

Grouse Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 69 species recorded across 21 survey years, still active.

69Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2010Span
6Observers

Bird Species Found on Utah Grouse Creek

Top 40 of 69 species by most recent count. Each links to its species trend.

Species recorded on the Grouse 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 LarkAlaudidae752010-33%1986
Brewer's SparrowPasserellidae322010-41%1986
Sage ThrasherMimidae292010+156%1986
Green-tailed TowheePasserellidae231983-53%1982
Canada GooseAnatidae211999n/an/a
Vesper SparrowPasserellidae172010-72%1988
Rock PigeonColumbidae162010+400%2000
Western KingbirdTyrannidae152010+500%1986
Western MeadowlarkIcteridae142010-48%1986
Bank SwallowHirundinidae141983n/an/a
Brewer's BlackbirdIcteridae122010-29%1986
Sagebrush SparrowPasserellidae112010-19%1988
Common RavenCorvidae82010-65%1986
Wilson's PhalaropeScolopacidae81983n/an/a
Mourning DoveColumbidae72010-54%1986
European StarlingSturnidae72010-33%1986
Yellow-headed BlackbirdIcteridae61999+233%1987
Violet-green SwallowHirundinidae51986n/an/a
Greater Sage-GrousePhasianidae51987n/an/a
Red-tailed HawkAccipitridae42010+100%1986
Burrowing OwlStrigidae42005+133%1987
Red-winged BlackbirdIcteridae42010-57%1986
Black-throated Gray WarblerParulidae41982n/an/a
Common NighthawkCaprimulgidae42010-30%1996
House FinchFringillidae41999-67%1996
Great Horned OwlStrigidae41997+300%1996
Ferruginous HawkAccipitridae32010+38%1987
Chipping SparrowPasserellidae21999-50%1982
Loggerhead ShrikeLaniidae22010-20%1986
MallardAnatidae22006+0%1988
Golden EagleAccipitridae22009-29%1987
Say's PhoebeTyrannidae22010-20%1993
Western TanagerCardinalidae21983n/an/a
Cinnamon TealAnatidae21986n/an/a
Brown-headed CowbirdIcteridae22009+0%1993
Savannah SparrowPasserellidae22009-77%1988
Spotted TowheePasserellidae21986n/an/a
Cliff SwallowHirundinidae22006-60%1988
Common YellowthroatParulidae21987+100%1986
Rock WrenTroglodytidae22010-62%1988

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