BirdAnalyst
BBS Route · Wyoming · BCR 18

Chugwater Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 72 species recorded across 25 survey years, still active.

72Species 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 →
25Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1979–2024Span
4Observers

Bird Species Found on Wyoming Chugwater

Top 40 of 72 species by most recent count. Each links to its species trend.

Species recorded on the Chugwater 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
Western MeadowlarkIcteridae1712024-37%1981
Mourning DoveColumbidae1602024-10%1981
Horned LarkAlaudidae1032024-49%1981
Grasshopper SparrowPasserellidae36202415×2015
Rock PigeonColumbidae262024+50%1982
Red-winged BlackbirdIcteridae202024+620%1982
Common GrackleIcteridae182024+383%1983
Vesper SparrowPasserellidae172024+429%1983
European StarlingSturnidae142024+500%1981
Western KingbirdTyrannidae132024+53%1981
Lark SparrowPasserellidae132024+44%1981
House SparrowPasseridae92024-69%1981
American RobinTurdidae92024+90%1981
Loggerhead ShrikeLaniidae82024+33%1985
Rock WrenTroglodytidae82024+50%1981
Say's PhoebeTyrannidae82024+0%2012
Brewer's SparrowPasserellidae72024+100%1981
Lark BuntingPasserellidae72024-95%1981
Barn SwallowHirundinidae72024+0%1981
Wild TurkeyPhasianidae62024+500%2014
White-throated SwiftApodidae52024+11%1985
Black-capped ChickadeeParidae41981n/an/a
Sagebrush SparrowPasserellidae41986n/an/a
Cliff SwallowHirundinidae32024-39%1981
Swainson's HawkAccipitridae32024+50%2013
Sharp-tailed GrousePhasianidae32024-25%2012
Mountain BluebirdTurdidae32024n/an/a
KilldeerCharadriidae22024+13%1981
Common RavenCorvidae22024+50%2014
Common YellowthroatParulidae21980n/an/a
American GoldfinchFringillidae22024-71%1984
MallardAnatidae21991n/an/a
Eurasian Collared-DoveColumbidae22024+25%2014
Tree SwallowHirundinidae22024+0%2013
Blue JayCorvidae22021n/an/a
Thick-billed LongspurCalcariidae22024n/an/a
Chipping SparrowPasserellidae22024n/an/a
Turkey VultureCathartidae12024-20%1994
American KestrelFalconidae12022-60%1981
Brewer's BlackbirdIcteridae12024-92%1981

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