BirdAnalyst
BBS Route · Wyoming · BCR 10

Dubois Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 133 species recorded across 43 survey years, still active.

133Species 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
6Observers

Bird Species Found on Wyoming Dubois

Top 40 of 133 species by most recent count. Each links to its species trend.

Species recorded on the Dubois 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
Violet-green SwallowHirundinidae512025+614%1974
Brewer's BlackbirdIcteridae272025-61%1971
Western MeadowlarkIcteridae212025+157%1971
Vesper SparrowPasserellidae212025+179%1971
Lark BuntingPasserellidae152018+350%1972
American RobinTurdidae152025-32%1971
Tree SwallowHirundinidae142025+300%1971
Horned LarkAlaudidae142025+53%1973
Black-billed MagpieCorvidae132025+5%1971
Mountain BluebirdTurdidae132025+264%1971
European StarlingSturnidae122025+271%1971
Red-winged BlackbirdIcteridae102025+132%1971
Warbling VireoVireonidae102025+125%1972
Rock WrenTroglodytidae102025+220%1972
Western Wood-PeweeTyrannidae102025+480%1972
Song SparrowPasserellidae92025+186%1971
Rock PigeonColumbidae92025n/an/a
Brewer's SparrowPasserellidae82025+75%1971
Yellow WarblerParulidae82025+314%1971
Northern House WrenTroglodytidae72025+333%1971
American AvocetRecurvirostridae72012n/an/a
Clark's NutcrackerCorvidae52025+118%1973
California GullLaridae51983n/an/a
Wilson's PhalaropeScolopacidae52015+400%1990
Cliff SwallowHirundinidae42025+133%1972
Brown-headed CowbirdIcteridae42025+300%1972
Barn SwallowHirundinidae42025+22%1976
American CrowCorvidae42019+167%1980
Canada GooseAnatidae42024-40%1993
Savannah SparrowPasserellidae42023-13%1992
Green-tailed TowheePasserellidae32025+143%1982
Red-tailed HawkAccipitridae32025+100%1974
American KestrelFalconidae32025+20%1974
Bank SwallowHirundinidae32009+100%1972
Black-headed GrosbeakCardinalidae32025+67%1975
Red-breasted NuthatchSittidae32022+75%1990
Lark SparrowPasserellidae32025+175%1990
Dusky FlycatcherTyrannidae32025+75%1991
Mourning DoveColumbidae22025-69%1971
Grasshopper SparrowPasserellidae21990+150%1972

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