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BBS Route · Wyoming · BCR 10

Wilson Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 121 species recorded across 28 survey years, still active.

121Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1979–2025Span
5Observers

Bird Species Found on Wyoming Wilson

Top 40 of 121 species by most recent count. Each links to its species trend.

Species recorded on the Wilson 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
Yellow WarblerParulidae752025+10%1981
American RobinTurdidae442025-52%1981
Franklin's GullLaridae411994+0%1980
Warbling VireoVireonidae332025-31%1981
Pine SiskinFringillidae322025-46%1981
Song SparrowPasserellidae292025+141%1981
Broad-tailed HummingbirdTrochilidae22202516×1981
MacGillivray's WarblerParulidae182025+113%1982
Brown-headed CowbirdIcteridae172025+11%1981
Red-winged BlackbirdIcteridae162025-29%1981
Clark's NutcrackerCorvidae152025+600%1983
Black-headed GrosbeakCardinalidae152025+71%1981
Ruby-crowned KingletRegulidae152025-15%1981
Violet-green SwallowHirundinidae152025+333%1989
Tree SwallowHirundinidae142025-88%1981
Dusky FlycatcherTyrannidae132025+244%1981
Northern House WrenTroglodytidae132025+2%1981
Willow FlycatcherTyrannidae122025+90%1982
Gray CatbirdMimidae112025+200%1982
Swainson's ThrushTurdidae102025+200%1982
California GullLaridae101985+150%1982
Western Wood-PeweeTyrannidae92025-12%1981
Chipping SparrowPasserellidae92025+71%1981
Black-capped ChickadeeParidae92025+283%1981
White-crowned SparrowPasserellidae82025+92%1981
Bank SwallowHirundinidae81983-67%1980
Cedar WaxwingBombycillidae82025+133%1981
Lazuli BuntingCardinalidae82025+0%1987
Western TanagerCardinalidae72025+6%1981
Evening GrosbeakFringillidae71983+320%1981
Red-tailed HawkAccipitridae62025-14%1981
OspreyPandionidae62025+71%1981
European StarlingSturnidae62025-78%1981
Common GoldeneyeAnatidae61980n/an/a
Brewer's BlackbirdIcteridae52025-81%1981
Fox SparrowPasserellidae52025+100%1985
Green-tailed TowheePasserellidae52025-6%1981
American GoldfinchFringillidae52025+200%1983
Sandhill CraneGruidae42025+200%1983
Rock PigeonColumbidae41988+33%1979

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