BirdAnalyst
BBS Route · Utah · BCR 16

Westwater Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 68 species recorded across 26 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1997–2025Span
4Observers

Bird Species Found on Utah Westwater

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

Species recorded on the Westwater 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 LarkAlaudidae622025+89%1999
Lark SparrowPasserellidae262025+2%1999
Common RavenCorvidae252025+5%1999
Western MeadowlarkIcteridae192025-73%1999
Mourning DoveColumbidae162025+87%1999
Black-throated SparrowPasserellidae132025+180%2001
Northern MockingbirdMimidae122025-3%1999
Sagebrush SparrowPasserellidae102025+57%1999
Say's PhoebeTyrannidae72025+157%1999
Blue-gray GnatcatcherPolioptilidae72025+140%2010
Rock WrenTroglodytidae62025-56%1999
Western KingbirdTyrannidae52024+100%2001
Brewer's SparrowPasserellidae42023-72%1999
Mountain BluebirdTurdidae42025-22%1999
Canada GooseAnatidae42024+100%2008
Ash-throated FlycatcherTyrannidae32025-19%1999
Bewick's WrenTroglodytidae32024+25%1999
House FinchFringillidae32025+75%2007
Lark BuntingPasserellidae32011+50%2010
Ferruginous HawkAccipitridae22024+0%1999
Golden EagleAccipitridae22025-33%2001
Vesper SparrowPasserellidae22017-17%2003
Chipping SparrowPasserellidae22025-33%2008
Blue GrosbeakCardinalidae22024-50%1999
ChukarPhasianidae22024+0%2005
Loggerhead ShrikeLaniidae22025+100%2003
Swainson's HawkAccipitridae22017+50%2010
Brown-headed CowbirdIcteridae22024+20%2015
Burrowing OwlStrigidae22025+125%2014
Tree SwallowHirundinidae22016-33%2008
White-throated SwiftApodidae22023+100%2010
Red-tailed HawkAccipitridae22025+50%2018
European StarlingSturnidae22019n/an/a
Yellow WarblerParulidae22019n/an/a
Northern HarrierAccipitridae12019+33%2011
Black-chinned HummingbirdTrochilidae12017+0%1997
Black-billed MagpieCorvidae12016-64%1999
Woodhouse's Scrub-JayCorvidae12025-33%2001
American CrowCorvidae12004+0%1997
Gray VireoVireonidae12025-33%2003

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