BirdAnalyst
BBS Route · Wyoming · BCR 10

Rock Springs 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 30 species recorded across 2 survey years, still active.

30Species 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 →
2Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2023–2024Span
1Observers

Bird Species Found on Wyoming Rock Springs 2

Top 30 of 30 species by most recent count. Each links to its species trend.

Species recorded on the Rock Springs 2 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
Sage ThrasherMimidae312024+41%2023
Western MeadowlarkIcteridae292024-3%2023
Green-tailed TowheePasserellidae192024+0%2023
Brewer's BlackbirdIcteridae142024-7%2023
Horned LarkAlaudidae122024+100%2023
Sagebrush SparrowPasserellidae92024+0%2023
Mountain BluebirdTurdidae92024+350%2023
Black-billed MagpieCorvidae82024+300%2023
Brewer's SparrowPasserellidae82024-43%2023
House SparrowPasseridae82024+700%2023
Rock WrenTroglodytidae72024-13%2023
Red-winged BlackbirdIcteridae52024+25%2023
Lark SparrowPasserellidae42024n/an/a
Common RavenCorvidae32024+0%2023
Vesper SparrowPasserellidae32024+0%2023
Mourning DoveColumbidae22024-85%2023
Red-tailed HawkAccipitridae22024+0%2023
Say's PhoebeTyrannidae22024-71%2023
European StarlingSturnidae22024n/an/a
Western KingbirdTyrannidae12024+0%2023
Dusky FlycatcherTyrannidae12024+0%2023
Woodhouse's Scrub-JayCorvidae12023n/an/a
Brown-headed CowbirdIcteridae12024+0%2023
Savannah SparrowPasserellidae12023n/an/a
Violet-green SwallowHirundinidae12023n/an/a
Loggerhead ShrikeLaniidae12024-50%2023
Mountain ChickadeeParidae12023n/an/a
American RobinTurdidae12024-67%2023
Turkey VultureCathartidae12024n/an/a
Bank SwallowHirundinidae12024n/an/a

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