BBS Route · Wyoming · BCR 10

Big Sandy Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 31 survey years, still active.

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
Red-winged BlackbirdIcteridae992024+438%1988
Chipping SparrowPasserellidae472024+900%1992
Long-billed CurlewScolopacidae342024+300%1990
Brewer's SparrowPasserellidae282024+100%1990
White-crowned SparrowPasserellidae26202412×2006
Sage ThrasherMimidae212024+1%1988
Horned LarkAlaudidae202024+6%1988
American RobinTurdidae202024-2%1988
Song SparrowPasserellidae202024+88%1992
Green-tailed TowheePasserellidae202023+269%1989
Greater Sage-GrousePhasianidae202018-54%1996
Savannah SparrowPasserellidae182024+355%1988
Warbling VireoVireonidae182024+178%2005
Canada GooseAnatidae152023+44%1992
Common RavenCorvidae132024+167%1988
American KestrelFalconidae112022+350%1990
Fox SparrowPasserellidae112024+333%2016
Yellow-headed BlackbirdIcteridae102024+209%1989
Vesper SparrowPasserellidae92024+255%1988
Wilson's SnipeScolopacidae72024+3%1989
Lincoln's SparrowPasserellidae72024+313%2019
Western MeadowlarkIcteridae62024-2%1988
Violet-green SwallowHirundinidae62001+10%1990
Brown-headed CowbirdIcteridae52024+17%1992
MallardAnatidae42024+400%1988
Common NighthawkCaprimulgidae42019-25%1990
Black-billed MagpieCorvidae42023+520%1989
Brewer's BlackbirdIcteridae42024-74%1988
Great Blue HeronArdeidae42008+150%1998
Western Wood-PeweeTyrannidae42023+60%1998
KilldeerCharadriidae32024+40%1988
Tree SwallowHirundinidae32024-77%1988
Mourning DoveColumbidae32024+63%1989
Ruby-crowned KingletRegulidae32023+0%1996
American CrowCorvidae32024-53%1992
Wilson's WarblerParulidae31994+50%1989
Hammond's FlycatcherTyrannidae31990n/an/a
SoraRallidae32024+75%2010
Western TanagerCardinalidae32023+100%2015
Red-breasted NuthatchSittidae32023+100%2014

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