BirdAnalyst
BBS Route · Colorado · BCR 16

Tincup Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 32 survey years, still active.

96Species 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 →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2025Span
4Observers

Bird Species Found on Colorado Tincup

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Tincup 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
Pine SiskinFringillidae672025-16%1995
Lincoln's SparrowPasserellidae522025-8%1995
American RobinTurdidae502025+12%1995
Broad-tailed HummingbirdTrochilidae442025+413%1995
White-crowned SparrowPasserellidae402025+14%1995
Cliff SwallowHirundinidae352025-37%1995
Wilson's WarblerParulidae352025+405%1995
Ruby-crowned KingletRegulidae342025+64%1995
California GullLaridae222011+9%1996
Brewer's BlackbirdIcteridae202025+13%1995
Red CrossbillFringillidae162025+575%2006
Green-tailed TowheePasserellidae122025+580%1995
Mountain BluebirdTurdidae112025+0%1995
Dusky FlycatcherTyrannidae102025+200%2005
Common MerganserAnatidae102025+4%1998
Vesper SparrowPasserellidae92025+37%1998
Mountain ChickadeeParidae92025+56%2000
Hermit ThrushTurdidae92025-61%1995
Spotted SandpiperScolopacidae82025+111%1997
Horned LarkAlaudidae72025+63%1996
Red-winged BlackbirdIcteridae72025-39%1995
Violet-green SwallowHirundinidae72025+100%1995
Chipping SparrowPasserellidae72025+33%2004
MallardAnatidae62025-38%1995
Western Wood-PeweeTyrannidae62025+0%2002
Brewer's SparrowPasserellidae62025+267%1995
Lesser ScaupAnatidae62025+31%1996
Wilson's SnipeScolopacidae52025+14%1995
Fox SparrowPasserellidae52025+667%2007
Canada GooseAnatidae52024+65%2012
Yellow WarblerParulidae42025+117%1996
American DipperCinclidae42018+100%1998
Ring-billed GullLaridae42019-9%1996
Tree SwallowHirundinidae42025+83%1996
Olive-sided FlycatcherTyrannidae42025+167%2006
Northern ShovelerAnatidae42017-20%1998
Cinnamon TealAnatidae42023+50%2005
Warbling VireoVireonidae42025+125%2008
Blue-winged TealAnatidae42015n/an/a
Barn SwallowHirundinidae32023-67%1995

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