BirdAnalyst
BBS Route · Wyoming · BCR 10

Big Sandy Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 32 survey years, still active.

96Species 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 →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1983–2025Span
10Observers

Bird Species Found on Wyoming Big Sandy

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Big Sandy 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
Vesper SparrowPasserellidae772025+413%1988
Brewer's SparrowPasserellidae612025+135%1990
Red-winged BlackbirdIcteridae432025+476%1988
Sage ThrasherMimidae372025-2%1988
Long-billed CurlewScolopacidae342024+300%1990
Green-tailed TowheePasserellidae282025+313%1989
White-crowned SparrowPasserellidae26202412×2006
Greater Sage-GrousePhasianidae232025-15%1996
Western MeadowlarkIcteridae222025+8%1988
American RobinTurdidae222025+21%1988
European StarlingSturnidae202025+225%2005
Savannah SparrowPasserellidae162025+373%1988
Canada GooseAnatidae152023+44%1992
Warbling VireoVireonidae152025+289%2005
Wilson's SnipeScolopacidae142025+16%1989
Song SparrowPasserellidae142025+118%1992
Mourning DoveColumbidae122025+131%1989
Yellow-headed BlackbirdIcteridae102024+209%1989
Brewer's BlackbirdIcteridae102025-89%1988
Common RavenCorvidae72025+100%1988
Tree SwallowHirundinidae72025-68%1988
Mountain BluebirdTurdidae72025+140%1988
Lincoln's SparrowPasserellidae72024+313%2019
Black-billed MagpieCorvidae62025+420%1989
Yellow WarblerParulidae62025+17%1992
Clark's NutcrackerCorvidae62025+120%2001
Bank SwallowHirundinidae62025+167%2001
American CrowCorvidae52025-32%1992
Chipping SparrowPasserellidae52025+786%1992
SoraRallidae52025+125%2010
Mountain ChickadeeParidae52025+50%2008
Common NighthawkCaprimulgidae42019-25%1990
Rock WrenTroglodytidae42025-53%1992
Great Blue HeronArdeidae42008+150%1998
Green-winged TealAnatidae42025+150%2015
Horned LarkAlaudidae32025-6%1988
Brown-headed CowbirdIcteridae32025+50%1992
Violet-green SwallowHirundinidae32025+20%1990
Ruby-crowned KingletRegulidae32023+0%1996
Wilson's WarblerParulidae31994+50%1989

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