BirdAnalyst
BBS Route · Wyoming · BCR 10

Basin Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 90 species recorded across 32 survey years, still active.

90Species 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 →
32Years 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
7Observers

Bird Species Found on Wyoming Basin

Top 40 of 90 species by most recent count. Each links to its species trend.

Species recorded on the Basin 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 BlackbirdIcteridae1212025-31%1972
European StarlingSturnidae602025-13%1972
Lark BuntingPasserellidae532025+361%1974
Barn SwallowHirundinidae412025+245%1972
Horned LarkAlaudidae312025+300%1972
Northern Rough-winged SwallowHirundinidae301987+500%1972
Western MeadowlarkIcteridae272025-64%1972
Lark SparrowPasserellidae232025+210%1980
Common GrackleIcteridae212025-53%1972
American RobinTurdidae202025+81%1972
Violet-green SwallowHirundinidae202025+0%1983
Eurasian Collared-DoveColumbidae202025+52%2008
Brewer's BlackbirdIcteridae192025-35%1974
Mourning DoveColumbidae182025-20%1972
Cliff SwallowHirundinidae152025+47%1972
House SparrowPasseridae142025+13%1972
Yellow WarblerParulidae122025+171%1981
American CrowCorvidae102009+83%2007
Common RavenCorvidae92025+186%1985
Bullock's OrioleIcteridae72025+160%1972
Sage ThrasherMimidae72025+8%1981
Song SparrowPasserellidae72025+243%1983
Western Wood-PeweeTyrannidae72025+10%2023
Western KingbirdTyrannidae62025+100%1980
Cedar WaxwingBombycillidae62025+300%1997
Vesper SparrowPasserellidae62025+275%1994
Ring-necked PheasantPhasianidae52025-82%1972
Rock WrenTroglodytidae52025+33%1982
Great Blue HeronArdeidae52017+17%2007
Brewer's SparrowPasserellidae52025+22%1984
Canada GooseAnatidae52005+150%1989
Eastern KingbirdTyrannidae42025+40%1974
Sandhill CraneGruidae42025+60%1995
Spotted TowheePasserellidae42024+200%2017
Rock PigeonColumbidae32023-62%1972
Red-tailed HawkAccipitridae32023+133%1974
Lazuli BuntingCardinalidae32025+0%1982
Mountain BluebirdTurdidae32025-56%2017
Say's PhoebeTyrannidae32025+100%1997
House FinchFringillidae32025+220%1995

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