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BBS Route · Wyoming · BCR 10

Cumberland Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 37 survey years, still active.

97Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2024Span
3Observers

Bird Species Found on Wyoming Cumberland

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Cumberland 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 MeadowlarkIcteridae562024+34%1979
Brewer's BlackbirdIcteridae312024-32%1979
Brewer's SparrowPasserellidae212024-54%1979
Vesper SparrowPasserellidae182024+92%1979
Red-winged BlackbirdIcteridae152024+0%1979
Green-tailed TowheePasserellidae152024+560%1979
Sage ThrasherMimidae132024-77%1979
Black-billed MagpieCorvidae122024-45%1979
Cliff SwallowHirundinidae82022+44%1982
Horned LarkAlaudidae72024-89%1979
Rock WrenTroglodytidae72024-43%1979
Yellow WarblerParulidae61982-64%1979
Violet-green SwallowHirundinidae52024+225%1988
Ring-billed GullLaridae51979n/an/a
Canada GooseAnatidae52017+6%2004
Chipping SparrowPasserellidae42022+700%1980
Northern House WrenTroglodytidae42024+133%1994
WilletScolopacidae32024+67%1988
Greater Sage-GrousePhasianidae31981-25%1977
Golden EagleAccipitridae32023+133%1992
Mountain BluebirdTurdidae32024-68%1979
Lincoln's SparrowPasserellidae31982-44%1979
Loggerhead ShrikeLaniidae32024-38%1980
Yellow-breasted ChatIcteriidae31982-43%1979
American CrowCorvidae32022+60%1996
Lark BuntingPasserellidae32017-81%1996
GadwallAnatidae22023-50%1988
Lesser ScaupAnatidae21999+80%1981
Mourning DoveColumbidae22024-76%1979
Canyon WrenTroglodytidae21982-67%1979
American RobinTurdidae22024-58%1979
MallardAnatidae22024-77%1980
Western KingbirdTyrannidae22024+100%1978
Olive-sided FlycatcherTyrannidae21978n/an/a
Red-tailed HawkAccipitridae22022+50%1982
Yellow-billed CuckooCuculidae21979n/an/a
Red-naped SapsuckerPicidae21982+100%1979
Swainson's HawkAccipitridae21980n/an/a
Common RavenCorvidae22024+75%2005
Great Blue HeronArdeidae22019+0%1988

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