BirdAnalyst
BBS Route · Wyoming · BCR 17

Mayoworth Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 107 species recorded across 31 survey years, still active.

107Species 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 →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–2024Span
6Observers

Bird Species Found on Wyoming Mayoworth

Top 40 of 107 species by most recent count. Each links to its species trend.

Species recorded on the Mayoworth 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 StarlingSturnidae1462024+156%1985
Western MeadowlarkIcteridae1022024+22%1984
Cliff SwallowHirundinidae312024-65%1985
Pinyon JayCorvidae301992+275%1989
Lark BuntingPasserellidae262024-82%1984
Vesper SparrowPasserellidae162024-38%1984
Red-winged BlackbirdIcteridae152024-84%1984
American RobinTurdidae152024-16%1984
Brown-headed CowbirdIcteridae142024-40%1988
Yellow WarblerParulidae142024+26%1984
Greater Sage-GrousePhasianidae14200614×2000
Bank SwallowHirundinidae132024+550%1982
Red-tailed HawkAccipitridae122018+275%1985
American White PelicanPelecanidae112011-68%2005
Mourning DoveColumbidae102024-30%1984
Eastern KingbirdTyrannidae102024-8%1984
Horned LarkAlaudidae102024+167%1989
Western Wood-PeweeTyrannidae102024+133%1988
Ring-necked PheasantPhasianidae92024-52%1984
Common GrackleIcteridae72024-31%1985
Mountain BluebirdTurdidae72018+200%1987
Rock PigeonColumbidae72024+200%2000
Common NighthawkCaprimulgidae62024-53%1984
Black-billed MagpieCorvidae62024+267%1984
Lark SparrowPasserellidae52024-62%1984
Brewer's SparrowPasserellidae52018-77%1984
Wild TurkeyPhasianidae52024-50%1988
Spotted SandpiperScolopacidae42002+150%1992
Western KingbirdTyrannidae42024-39%1987
Say's PhoebeTyrannidae42024-39%1984
Common YellowthroatParulidae42024+75%1985
Turkey VultureCathartidae42024+283%1999
American CrowCorvidae42024+50%2001
Pine SiskinFringillidae41992n/an/a
Green-winged TealAnatidae42018n/an/a
Wilson's PhalaropeScolopacidae42018n/an/a
Bullock's OrioleIcteridae32024+55%1984
House FinchFringillidae32024+0%1989
Grasshopper SparrowPasserellidae32018-75%1988
Song SparrowPasserellidae32024+25%1996

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