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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 39 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 →
39Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2025Span
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
European StarlingSturnidae892025+664%1972
Horned LarkAlaudidae81202513×1972
Red-winged BlackbirdIcteridae552025-27%1972
Western MeadowlarkIcteridae472025-37%1972
Barn SwallowHirundinidae422025+260%1972
Cliff SwallowHirundinidae402025+103%1972
Lark BuntingPasserellidae382025-76%1972
Canada GooseAnatidae272016-55%2003
Vesper SparrowPasserellidae192025+21%1981
Ring-necked PheasantPhasianidae152025-78%1972
Mourning DoveColumbidae122025-71%1972
Common GrackleIcteridae122025+36%1972
American RobinTurdidae112025+123%1972
American GoldfinchFringillidae102025+125%1972
Lark SparrowPasserellidae102025+69%1972
Brewer's SparrowPasserellidae102025+89%1993
Tree SwallowHirundinidae82015+117%1983
American White PelicanPelecanidae82023+167%2016
Common NighthawkCaprimulgidae62025+125%1974
Lazuli BuntingCardinalidae62025+38%1980
Thick-billed LongspurCalcariidae61974n/an/a
Wild TurkeyPhasianidae62015+30%2004
Eurasian Collared-DoveColumbidae62024+500%2017
Wilson's SnipeScolopacidae52025+50%1980
KilldeerCharadriidae52025-19%1972
Western KingbirdTyrannidae52025+667%1990
American CrowCorvidae52017+40%1972
Song SparrowPasserellidae52025+300%1975
Gray CatbirdMimidae52024+120%1972
Sandhill CraneGruidae52025+64%1985
Wood DuckAnatidae52008n/an/a
Fox SparrowPasserellidae41987+100%1970
Yellow WarblerParulidae42025+575%1974
Common YellowthroatParulidae42025+60%1987
Rock WrenTroglodytidae42025+43%1981
Black-billed CuckooCuculidae41981+0%1972
Cedar WaxwingBombycillidae42025-33%1980
Great Blue HeronArdeidae42008+0%1987
Grasshopper SparrowPasserellidae42014+150%1980
Black-capped ChickadeeParidae42025+25%1980

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