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BBS Route · Wyoming · BCR 10

Otto Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 109 species recorded across 38 survey years, still active.

109Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2024Span
8Observers

Bird Species Found on Wyoming Otto

Top 40 of 109 species by most recent count. Each links to its species trend.

Species recorded on the Otto 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 BlackbirdIcteridae1122024-3%1972
Horned LarkAlaudidae932024+950%1972
Western MeadowlarkIcteridae702024-12%1972
Rock PigeonColumbidae292017+370%1976
Barn SwallowHirundinidae282024+120%1972
Canada GooseAnatidae272016-55%2003
Cliff SwallowHirundinidae222024+33%1972
European StarlingSturnidae212024+588%1972
Common GrackleIcteridae202024+40%1972
American RobinTurdidae172024+227%1972
Mourning DoveColumbidae142024-63%1972
Brewer's BlackbirdIcteridae132024+0%1972
House SparrowPasseridae132024+19%1972
Common RavenCorvidae132024+867%1981
Lark BuntingPasserellidae122024-82%1972
Yellow WarblerParulidae122024+525%1974
Eastern KingbirdTyrannidae112024+171%1972
Western KingbirdTyrannidae112024+533%1990
American GoldfinchFringillidae92024+92%1972
Tree SwallowHirundinidae82015+117%1983
Sage ThrasherMimidae82024+240%1972
Vesper SparrowPasserellidae82024-26%1981
American White PelicanPelecanidae82023+167%2016
Black-billed MagpieCorvidae72024-90%1972
Lark SparrowPasserellidae72024+0%1972
Western Wood-PeweeTyrannidae72024+550%1994
KilldeerCharadriidae62024-10%1972
Bullock's OrioleIcteridae62024+275%1974
Thick-billed LongspurCalcariidae61974n/an/a
Sandhill CraneGruidae62024+152%1985
Spotted TowheePasserellidae62024+63%1992
Wild TurkeyPhasianidae62015+30%2004
Eurasian Collared-DoveColumbidae62024+500%2017
Ring-necked PheasantPhasianidae52024-54%1972
American CrowCorvidae52017+40%1972
Gray CatbirdMimidae52024+120%1972
Rock WrenTroglodytidae52024+0%1981
Northern House WrenTroglodytidae52024+0%1981
Blue GrosbeakCardinalidae52024+100%2000
Wood DuckAnatidae52008n/an/a

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