BirdAnalyst
BBS Route · Wyoming · BCR 10

Cumberland Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 38 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1977–2025Span
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 MeadowlarkIcteridae382025+20%1979
Vesper SparrowPasserellidae252025+64%1979
Sage ThrasherMimidae232025-77%1979
Brewer's BlackbirdIcteridae202025-45%1979
Brewer's SparrowPasserellidae142025-61%1979
Mourning DoveColumbidae112025-40%1979
Black-billed MagpieCorvidae92025-63%1979
Green-tailed TowheePasserellidae92025+600%1979
Rock WrenTroglodytidae82025-49%1979
Cliff SwallowHirundinidae82022+44%1982
Horned LarkAlaudidae72025-92%1979
Golden EagleAccipitridae62025+150%1992
Red-winged BlackbirdIcteridae62025+0%1979
Yellow WarblerParulidae61982-64%1979
Ring-billed GullLaridae51979n/an/a
Canada GooseAnatidae52025-56%2004
Mountain BluebirdTurdidae42025-68%1979
Greater Sage-GrousePhasianidae31981-25%1977
American RobinTurdidae32025-69%1979
Lincoln's SparrowPasserellidae31982-44%1979
Yellow-breasted ChatIcteriidae31982-43%1979
Common RavenCorvidae32025+75%2005
Lark BuntingPasserellidae32017-81%1996
GadwallAnatidae22023-50%1988
Lesser ScaupAnatidae21999+80%1981
WilletScolopacidae22025+100%1988
Barn SwallowHirundinidae22025-57%1979
Canyon WrenTroglodytidae21982-67%1979
MallardAnatidae22024-77%1980
Western KingbirdTyrannidae22024+100%1978
Olive-sided FlycatcherTyrannidae21978n/an/a
Lark SparrowPasserellidae22025-67%1980
Violet-green SwallowHirundinidae22025+175%1988
Loggerhead ShrikeLaniidae22025-25%1980
Red-tailed HawkAccipitridae22022+50%1982
Yellow-billed CuckooCuculidae21979n/an/a
Red-naped SapsuckerPicidae21982+100%1979
Northern House WrenTroglodytidae22025+167%1994
Swainson's HawkAccipitridae21980n/an/a
Great Blue HeronArdeidae22019+0%1988

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