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BBS Route · Wyoming · BCR 10

Elk Horn Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 58 species recorded across 12 survey years, no longer active.

58Species 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 →
12Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2018Span
3Observers

Bird Species Found on Wyoming Elk Horn

Top 40 of 58 species by most recent count. Each links to its species trend.

Species recorded on the Elk Horn 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 LarkAlaudidae772018+22%1991
Common RavenCorvidae382018+246%1991
Brewer's SparrowPasserellidae332018-46%1991
House SparrowPasseridae302018+650%2002
Sage ThrasherMimidae212018-72%1991
Vesper SparrowPasserellidae182018+74%1991
Greater Sage-GrousePhasianidae172018+177%1992
Mourning DoveColumbidae172018+44%1991
Western MeadowlarkIcteridae142018+100%1991
European StarlingSturnidae142018+79%1998
Sagebrush SparrowPasserellidae132018-8%1998
Red-winged BlackbirdIcteridae112018+61%1992
Barn SwallowHirundinidae102018+93%1991
American RobinTurdidae102018+29%1991
Northern PintailAnatidae81990n/an/a
Cliff SwallowHirundinidae72015-54%1992
Grasshopper SparrowPasserellidae72018+833%2000
Brown-headed CowbirdIcteridae62018-68%1991
Common NighthawkCaprimulgidae62018+100%1992
Sandhill CraneGruidae52018+240%1999
Swainson's HawkAccipitridae52018+67%1998
Common GrackleIcteridae52018-72%2000
Wilson's PhalaropeScolopacidae52002n/an/a
Western KingbirdTyrannidae42015+33%1999
Double-crested CormorantPhalacrocoracidae42000n/an/a
Canada GooseAnatidae42018-67%2003
Black-billed MagpieCorvidae32018+200%1988
MallardAnatidae32003+50%1998
Bank SwallowHirundinidae32018+50%2001
American WigeonAnatidae32015+50%2003
Golden EagleAccipitridae22002+50%1991
Lark BuntingPasserellidae22018-83%1991
Red-tailed HawkAccipitridae22018+0%1998
Yellow-headed BlackbirdIcteridae22018-22%1992
Wilson's SnipeScolopacidae22001+0%1998
Bald EagleAccipitridae22015n/an/a
Northern HarrierAccipitridae12015-33%1990
Brewer's BlackbirdIcteridae12018-65%1991
Green-tailed TowheePasserellidae12003-71%1998
Northern Rough-winged SwallowHirundinidae12000-56%1990

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