BirdAnalyst
BBS Route · Utah · BCR 16

Moon Lake 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 13 survey years, still active.

105Species 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 →
13Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2004–2023Span
2Observers

Bird Species Found on Utah Moon Lake 2

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Moon Lake 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 TowheePasserellidae292023-20%2006
Brewer's SparrowPasserellidae272023-38%2006
Black-billed MagpieCorvidae242023+9%2006
Warbling VireoVireonidae222023+132%2006
Vesper SparrowPasserellidae172023+255%2006
Northern House WrenTroglodytidae152023+317%2013
American RobinTurdidae152023-26%2006
Western MeadowlarkIcteridae142023-7%2006
Canada GooseAnatidae112019+175%2014
Sage ThrasherMimidae102023-39%2006
Hammond's FlycatcherTyrannidae92023+120%2013
Dusky FlycatcherTyrannidae92023+118%2006
Rock WrenTroglodytidae92023+33%2006
Swainson's ThrushTurdidae92023-5%2006
Ruby-crowned KingletRegulidae92023-30%2014
Mourning DoveColumbidae82023-24%2006
Pinyon JayCorvidae82023+10%2015
Black-headed GrosbeakCardinalidae72023+240%2006
Mountain BluebirdTurdidae72023-60%2006
Red-winged BlackbirdIcteridae62023+82%2014
Pine SiskinFringillidae62023+23%2006
Black-chinned HummingbirdTrochilidae52021-64%2006
Western Wood-PeweeTyrannidae52023-6%2006
Common RavenCorvidae52023-42%2006
Western TanagerCardinalidae52023+36%2006
Cliff SwallowHirundinidae52023+125%2013
Violet-green SwallowHirundinidae52014-33%2005
Bank SwallowHirundinidae52005n/an/a
Western KingbirdTyrannidae52023+125%2016
Clark's NutcrackerCorvidae42023+61%2006
Brewer's BlackbirdIcteridae42019-66%2006
American GoldfinchFringillidae42023+100%2014
Chipping SparrowPasserellidae42023-31%2006
Yellow WarblerParulidae42023-70%2006
MacGillivray's WarblerParulidae42023+140%2006
Mountain ChickadeeParidae42023+80%2006
Townsend's SolitaireTurdidae42023-14%2013
Hermit ThrushTurdidae42023+27%2006
Common NighthawkCaprimulgidae32021-63%2004
Sagebrush SparrowPasserellidae32005-79%2004

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