BirdAnalyst
BBS Route · Utah · BCR 16

Grizzly Rdge Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 86 species recorded across 32 survey years, still active.

86Species 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 →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1986–2025Span
4Observers

Bird Species Found on Utah Grizzly Rdge

Top 40 of 86 species by most recent count. Each links to its species trend.

Species recorded on the Grizzly Rdge 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
Ruby-crowned KingletRegulidae642025+126%1992
American RobinTurdidae632025+15%1992
Mountain ChickadeeParidae48202513×1992
Chipping SparrowPasserellidae412025+113%1992
Pine SiskinFringillidae362025+2%1992
Warbling VireoVireonidae322025+252%1992
Mountain BluebirdTurdidae222025+350%1992
Hermit ThrushTurdidae212025+93%1993
Green-tailed TowheePasserellidae202025+265%1993
Western TanagerCardinalidae192025+354%1996
Cassin's FinchFringillidae182025+67%1993
Common RavenCorvidae122025+240%1996
MallardAnatidae102024+188%1997
Dusky FlycatcherTyrannidae102025+343%1998
Red CrossbillFringillidae92025-67%1998
Vesper SparrowPasserellidae62025-50%1992
Brewer's SparrowPasserellidae62025-61%1992
Broad-tailed HummingbirdTrochilidae52025+180%1992
House FinchFringillidae51992+25%1986
White-crowned SparrowPasserellidae52025+0%1996
Brown CreeperCerthiidae52025+17%1998
Brewer's BlackbirdIcteridae42016-40%1994
Black-capped ChickadeeParidae42022-78%1992
Red-breasted NuthatchSittidae42025+45%1996
Northern ShovelerAnatidae41996n/an/a
Spotted SandpiperScolopacidae41996n/an/a
MacGillivray's WarblerParulidae42025+175%2001
American CrowCorvidae42009+100%2006
Orange-crowned WarblerParulidae42025+300%2017
Northern Rough-winged SwallowHirundinidae31986n/an/a
Hairy WoodpeckerPicidae32025+0%1994
American KestrelFalconidae32024+67%2000
Clark's NutcrackerCorvidae32002+67%1997
Song SparrowPasserellidae22010-50%1994
Tree SwallowHirundinidae22025+107%1994
White-breasted NuthatchSittidae22022+100%1986
KilldeerCharadriidae22022-38%1996
American Three-toed WoodpeckerPicidae22025+33%1999
Ruffed GrousePhasianidae22025+367%2001
Canada JayCorvidae22025+25%2001

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