BirdAnalyst
BBS Route · Wyoming · BCR 10

Mtn View Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 136 species recorded across 19 survey years, still active.

136Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1980–2025Span
8Observers

Bird Species Found on Wyoming Mtn View

Top 40 of 136 species by most recent count. Each links to its species trend.

Species recorded on the Mtn View 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
Red-winged BlackbirdIcteridae562024+95%1982
Cliff SwallowHirundinidae532024+116%1989
Canada GooseAnatidae462025+639%1983
Bank SwallowHirundinidae412024+350%1990
Savannah SparrowPasserellidae232024+93%1990
Yellow WarblerParulidae192024+31%1982
Sage ThrasherMimidae162025-60%1982
Yellow-headed BlackbirdIcteridae142025-38%1982
Brewer's SparrowPasserellidae132025+2%1982
Song SparrowPasserellidae112024-24%1982
Ring-billed GullLaridae101980n/an/a
Vesper SparrowPasserellidae102025+256%1982
House SparrowPasseridae82024-74%1982
MallardAnatidae72025-59%1982
Western MeadowlarkIcteridae72025-79%1982
Green-tailed TowheePasserellidae72024+38%1982
Tree SwallowHirundinidae62024-40%1982
Northern House WrenTroglodytidae62024+550%1982
American KestrelFalconidae62025+13%1987
Pine SiskinFringillidae62024+18%1999
Long-billed CurlewScolopacidae51983-33%1981
Yellow-breasted ChatIcteriidae51983-74%1981
Rock WrenTroglodytidae52025-21%1982
Canyon WrenTroglodytidae51983+300%1981
BushtitAegithalidae51980n/an/a
Mountain BluebirdTurdidae52025-47%1982
Wilson's PhalaropeScolopacidae42025+21%1982
Brewer's BlackbirdIcteridae42025-70%1982
House FinchFringillidae42006-74%1982
Lark SparrowPasserellidae42024-33%1982
American RedstartParulidae41982+33%1980
Eared GrebePodicipedidae42025+100%1990
Northern Rough-winged SwallowHirundinidae42022+0%1991
Western Wood-PeweeTyrannidae42024+38%1999
Common GrackleIcteridae41990-84%1989
Sandhill CraneGruidae32025-39%1982
Mourning DoveColumbidae32025-89%1982
Swainson's HawkAccipitridae31980n/an/a
Horned LarkAlaudidae32024-94%1982
Grasshopper SparrowPasserellidae31987-63%1980

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