BirdAnalyst
BBS Route · Colorado · BCR 16

Uncompahgre Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 90 species recorded across 35 survey years, still active.

90Species 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 →
35Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2025Span
5Observers

Bird Species Found on Colorado Uncompahgre

Top 40 of 90 species by most recent count. Each links to its species trend.

Species recorded on the Uncompahgre 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
Green-tailed TowheePasserellidae402025+77%1990
American RobinTurdidae372025+20%1990
Warbling VireoVireonidae312025+22%1990
Vesper SparrowPasserellidae222025+5%1990
Northern House WrenTroglodytidae192025+88%1990
Western TanagerCardinalidae142025+575%1991
Orange-crowned WarblerParulidae122025+80%1990
MacGillivray's WarblerParulidae122025-14%1990
Common RavenCorvidae92025+380%1991
Violet-green SwallowHirundinidae92025-39%1990
American CrowCorvidae92025+260%1991
Dusky FlycatcherTyrannidae92025-5%2010
Brewer's SparrowPasserellidae72025+360%2001
Hermit ThrushTurdidae62025+11%1990
White-throated SwiftApodidae62019+300%2009
Western Wood-PeweeTyrannidae52025-59%1990
Chipping SparrowPasserellidae52025+33%1990
Purple MartinHirundinidae52025+575%1995
Mountain BluebirdTurdidae52025+7%1991
Band-tailed PigeonColumbidae52025+400%1993
Wild TurkeyPhasianidae52025+160%2017
Cassin's FinchFringillidae42024-33%1990
Black-headed GrosbeakCardinalidae42025+300%1995
Red-winged BlackbirdIcteridae41989n/an/a
Savannah SparrowPasserellidae41998+300%1994
Pine SiskinFringillidae32025-65%1990
White-crowned SparrowPasserellidae32025+38%1990
Turkey VultureCathartidae32025+17%2012
Brown-headed CowbirdIcteridae32017+67%1994
Red-naped SapsuckerPicidae22025-29%1990
Clark's NutcrackerCorvidae22025-50%1994
Lincoln's SparrowPasserellidae22025-87%1990
Fox SparrowPasserellidae22023+43%1990
Mountain ChickadeeParidae22025-20%1990
Western BluebirdTurdidae22025+11%1991
Tree SwallowHirundinidae22025-33%1992
Common PoorwillCaprimulgidae22024+25%2010
Brewer's BlackbirdIcteridae22024-15%1992
Yellow WarblerParulidae22025-17%2011
Black-capped ChickadeeParidae22018+100%2001

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