BirdAnalyst
BBS Route · Utah · BCR 16

Green River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 51 species recorded across 24 survey years, still active.

51Species 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 →
24Years 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
2Observers

Bird Species Found on Utah Green River

Top 40 of 51 species by most recent count. Each links to its species trend.

Species recorded on the Green River 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 LarkAlaudidae282025-59%1999
Common RavenCorvidae162025+69%1999
Northern MockingbirdMimidae82016+130%2000
Mourning DoveColumbidae42025-65%1999
Lark SparrowPasserellidae42025-9%2002
Barn SwallowHirundinidae32025+100%2001
Loggerhead ShrikeLaniidae32009+0%1999
Ash-throated FlycatcherTyrannidae32017+67%2010
Violet-green SwallowHirundinidae32025+0%2005
Sagebrush SparrowPasserellidae32014+150%2011
Western KingbirdTyrannidae22014-29%2001
Say's PhoebeTyrannidae22012-20%2001
Cliff SwallowHirundinidae22021-53%2001
Vesper SparrowPasserellidae22004+100%1999
Willow FlycatcherTyrannidae22008n/an/a
Cassin's KingbirdTyrannidae22025+0%2012
GadwallAnatidae22013n/an/a
Red-tailed HawkAccipitridae12017+0%2004
European StarlingSturnidae12011+0%2001
Western MeadowlarkIcteridae12025-86%1999
Brewer's BlackbirdIcteridae12003+0%1997
Lazuli BuntingCardinalidae12015-33%2007
Rock WrenTroglodytidae12021-36%1999
Turkey VultureCathartidae12000+0%1998
Golden EagleAccipitridae12013-33%2001
American KestrelFalconidae12016-25%2004
Burrowing OwlStrigidae12016-50%2001
Ring-necked PheasantPhasianidae12025-63%2004
Peregrine FalconFalconidae11999n/an/a
Black-billed MagpieCorvidae12025+0%1999
Brown-headed CowbirdIcteridae12013+33%2001
Red-winged BlackbirdIcteridae12014-50%2001
Brewer's SparrowPasserellidae12008-50%1999
House SparrowPasseridae12010-17%2001
Sage ThrasherMimidae11999n/an/a
House FinchFringillidae12010-75%2000
Broad-tailed HummingbirdTrochilidae12001n/an/a
Black-throated SparrowPasserellidae12025+33%2006
Yellow WarblerParulidae12007+0%2004
Yellow-breasted ChatIcteriidae12025-57%2008

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