BirdAnalyst
BBS Route · Wyoming · BCR 10

Reliance Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 47 species recorded across 11 survey years, still active.

47Species 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 →
11Years 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
5Observers

Bird Species Found on Wyoming Reliance

Top 40 of 47 species by most recent count. Each links to its species trend.

Species recorded on the Reliance 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
Brewer's SparrowPasserellidae742025+38%1979
Sage ThrasherMimidae612025-51%1979
Horned LarkAlaudidae452025-58%1979
Sagebrush SparrowPasserellidae302025-47%1979
House SparrowPasseridae152025+107%1980
Rock WrenTroglodytidae132025-55%1979
Mourning DoveColumbidae102025-30%1979
Green-tailed TowheePasserellidae102025+825%1979
Golden EagleAccipitridae92018+267%1982
Gray FlycatcherTyrannidae91981n/an/a
Loggerhead ShrikeLaniidae82025+43%1979
Chipping SparrowPasserellidae81978n/an/a
Greater Sage-GrousePhasianidae81981n/an/a
Western MeadowlarkIcteridae52025-82%1980
American RobinTurdidae52025+167%1980
Northern HarrierAccipitridae42001+100%1977
Brewer's BlackbirdIcteridae42025-50%1979
Red-tailed HawkAccipitridae32018+100%1981
KilldeerCharadriidae32001-67%1981
Rock PigeonColumbidae31981n/an/a
Say's PhoebeTyrannidae22025-81%1979
Black-billed MagpieCorvidae22025-57%1979
Mountain BluebirdTurdidae22018-64%1979
Eastern KingbirdTyrannidae21978n/an/a
Vesper SparrowPasserellidae22025-87%1980
Ferruginous HawkAccipitridae22018+0%1983
Ash-throated FlycatcherTyrannidae21980n/an/a
Northern Rough-winged SwallowHirundinidae22025n/an/a
Prairie FalconFalconidae12018-50%1979
American KestrelFalconidae11982-60%1978
Great Horned OwlStrigidae11977n/an/a
Savannah SparrowPasserellidae11980-86%1978
Lark SparrowPasserellidae11979-80%1978
Yellow WarblerParulidae11979-50%1978
Canyon WrenTroglodytidae11981-91%1978
Common NighthawkCaprimulgidae11982+0%1980
Thick-billed LongspurCalcariidae11980n/an/a
Burrowing OwlStrigidae11981n/an/a
White-crowned SparrowPasserellidae11981n/an/a
Lark BuntingPasserellidae11981n/an/a

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