BirdAnalyst
BBS Route · Utah · BCR 16

Beck 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 30 survey years, still active.

97Species 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2025Span
2Observers

Bird Species Found on Utah Beck 2

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Beck 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
Green-tailed TowheePasserellidae792025+31%1992
Brewer's SparrowPasserellidae682025+18%1992
American RobinTurdidae502025+41%1992
Mountain BluebirdTurdidae402025-37%1992
Vesper SparrowPasserellidae392025-31%1992
Spotted TowheePasserellidae362025+513%1992
Warbling VireoVireonidae242025-33%1992
MacGillivray's WarblerParulidae212025-22%1992
Mourning DoveColumbidae202025+243%1993
Western TanagerCardinalidae182025+35%1992
Broad-tailed HummingbirdTrochilidae122025+0%1992
Dusky FlycatcherTyrannidae122025-10%1992
Lazuli BuntingCardinalidae112025+0%1992
Pine SiskinFringillidae102025-33%1992
Chipping SparrowPasserellidae102025+0%1992
Northern House WrenTroglodytidae102025-54%1992
Hermit ThrushTurdidae92025-61%1992
Common RavenCorvidae82025+367%1993
Blue-gray GnatcatcherPolioptilidae82025+175%1992
Red-breasted NuthatchSittidae82025-25%1993
Red CrossbillFringillidae82012+167%1994
White-crowned SparrowPasserellidae72025+14%1992
Common NighthawkCaprimulgidae62025-58%1992
Lincoln's SparrowPasserellidae62025+50%1996
California GullLaridae51990n/an/a
Ash-throated FlycatcherTyrannidae52025+225%1993
Black-headed GrosbeakCardinalidae52025-29%1992
Song SparrowPasserellidae52025+43%1995
Tree SwallowHirundinidae42025-47%1993
House FinchFringillidae42018-17%1995
Williamson's SapsuckerPicidae42025n/an/a
Red-tailed HawkAccipitridae32025+29%1992
Townsend's SolitaireTurdidae32018+67%1996
Lark SparrowPasserellidae32025+40%2003
Ring-necked PheasantPhasianidae31995n/an/a
Western Wood-PeweeTyrannidae22025-63%1992
Plumbeous VireoVireonidae22025-65%1992
Virginia's WarblerParulidae22025+167%1992
Orange-crowned WarblerParulidae22025-44%1992
Yellow WarblerParulidae22025-56%1992

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