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BBS Route · Wyoming · BCR 10

Walcott Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 35 survey years, still active.

110Species 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 →
35Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2024Span
4Observers

Bird Species Found on Wyoming Walcott

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the Walcott 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
European StarlingSturnidae86202430×1995
Brewer's BlackbirdIcteridae512024+12%1989
Common RavenCorvidae42202411×2000
Vesper SparrowPasserellidae402024-58%1989
Western MeadowlarkIcteridae382024-41%1989
Cliff SwallowHirundinidae372024-48%1989
Red-winged BlackbirdIcteridae272024+131%1989
Horned LarkAlaudidae262024-46%1989
Bank SwallowHirundinidae212018-56%1995
Black-billed MagpieCorvidae162024-27%1989
Green-tailed TowheePasserellidae162024-47%1989
American RobinTurdidae142024-5%1989
Clark's NutcrackerCorvidae142001n/an/a
Brewer's SparrowPasserellidae112024-60%2002
Sandhill CraneGruidae102021+0%1990
Tree SwallowHirundinidae102024-56%1990
KilldeerCharadriidae92024-60%1989
Rock WrenTroglodytidae72024-75%1989
Yellow WarblerParulidae72024-33%1990
Clay-colored SparrowPasserellidae72014+600%1990
Mourning DoveColumbidae62024-32%1989
Wilson's WarblerParulidae61982n/an/a
Common GrackleIcteridae62021-25%1991
Savannah SparrowPasserellidae62024+0%1991
Song SparrowPasserellidae52024+43%2002
MallardAnatidae42024+0%1989
GadwallAnatidae42021-36%1989
Common NighthawkCaprimulgidae42024+180%1992
Black-capped ChickadeeParidae42021+300%1985
Northern Rough-winged SwallowHirundinidae42024-84%2001
Sage ThrasherMimidae42024+67%1991
Chipping SparrowPasserellidae42016+300%2013
Wilson's SnipeScolopacidae32024-67%1989
Greater Sage-GrousePhasianidae32013+333%1985
Barn SwallowHirundinidae32024-73%1990
Golden EagleAccipitridae32024+25%1992
Brown-headed CowbirdIcteridae32024-95%1990
Black-headed GrosbeakCardinalidae32000+50%1989
Wilson's PhalaropeScolopacidae32019-72%1993
Bald EagleAccipitridae32024+50%1996

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