BBS Route · Utah · BCR 16

Bullfrog Bay Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 42 species recorded across 8 survey years, still active.

Bird Species Found on Utah Bullfrog Bay

Top 40 of 42 species by most recent count. Each links to its species trend.

Species recorded on the Bullfrog Bay 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
Black-throated SparrowPasserellidae312017+194%2002
Sage ThrasherMimidae17200817×2005
Common RavenCorvidae152017+7%2002
Ash-throated FlycatcherTyrannidae102017+164%2004
House SparrowPasseridae102017+50%2004
House FinchFringillidae72017+129%2004
Juniper TitmouseParidae52008n/an/a
Mourning DoveColumbidae42008+46%2003
Barn SwallowHirundinidae42017+100%2002
Bullock's OrioleIcteridae42008n/an/a
Rock WrenTroglodytidae32017+39%2004
BushtitAegithalidae32004n/an/a
Blue GrosbeakCardinalidae32008n/an/a
Clark's NutcrackerCorvidae22000n/an/a
Spotted TowheePasserellidae22008+0%2002
Sagebrush SparrowPasserellidae22017+100%2003
European StarlingSturnidae22005+100%2004
Horned LarkAlaudidae22017+0%2005
Gray VireoVireonidae22008+100%2005
White-throated SwiftApodidae22017+0%2008
Black-billed MagpieCorvidae22008n/an/a
Woodhouse's Scrub-JayCorvidae22017+100%2008
Brown-headed CowbirdIcteridae22008n/an/a
American RobinTurdidae22008n/an/a
Red-tailed HawkAccipitridae12000n/an/a
American KestrelFalconidae12000n/an/a
Violet-green SwallowHirundinidae12017-40%2002
Western KingbirdTyrannidae12017+67%2004
Say's PhoebeTyrannidae12017+0%2004
Northern MockingbirdMimidae12008+0%2002
Blue-gray GnatcatcherPolioptilidae12017-20%2004
Pinyon JayCorvidae12005+0%2003
Gray FlycatcherTyrannidae12017+0%2004
ChukarPhasianidae12005n/an/a
Turkey VultureCathartidae12005n/an/a
Common NighthawkCaprimulgidae12005n/an/a
Loggerhead ShrikeLaniidae12005n/an/a
Cliff SwallowHirundinidae12008n/an/a
Northern Rough-winged SwallowHirundinidae12008n/an/a
Black-throated Gray WarblerParulidae12008n/an/a

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