BirdAnalyst
BBS Route · Wyoming · BCR 10

West Thumb Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 23 species recorded across 1 survey years, no longer active.

23Species 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 →
1Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1982–1982Span
1Observers

Bird Species Found on Wyoming West Thumb

Top 23 of 23 species by most recent count. Each links to its species trend.

Species recorded on the West Thumb 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
Hermit ThrushTurdidae261982n/an/a
Mountain ChickadeeParidae221982n/an/a
American RobinTurdidae211982n/an/a
Ruby-crowned KingletRegulidae121982n/an/a
Red CrossbillFringillidae101982n/an/a
Clark's NutcrackerCorvidae91982n/an/a
White-winged CrossbillFringillidae91982n/an/a
Swainson's ThrushTurdidae81982n/an/a
Cassin's FinchFringillidae71982n/an/a
Chipping SparrowPasserellidae61982n/an/a
Cliff SwallowHirundinidae61982n/an/a
Canada JayCorvidae41982n/an/a
Ruffed GrousePhasianidae31982n/an/a
Pine SiskinFringillidae31982n/an/a
Common LoonGaviidae21982n/an/a
Common RavenCorvidae21982n/an/a
Lincoln's SparrowPasserellidae21982n/an/a
Red-breasted NuthatchSittidae21982n/an/a
Sandhill CraneGruidae11982n/an/a
Spotted SandpiperScolopacidae11982n/an/a
Hairy WoodpeckerPicidae11982n/an/a
White-crowned SparrowPasserellidae11982n/an/a
Tree SwallowHirundinidae11982n/an/a

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