BirdAnalyst
BBS Route · Colorado · BCR 16

Como Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 98 species recorded across 17 survey years, still active.

98Species 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 →
17Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2025Span
3Observers

Bird Species Found on Colorado Como

Top 40 of 98 species by most recent count. Each links to its species trend.

Species recorded on the Como 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
Horned LarkAlaudidae222025-46%1998
American RobinTurdidae192025+48%1998
Warbling VireoVireonidae122025-36%1998
Vesper SparrowPasserellidae122025+36%1999
Hermit ThrushTurdidae112025-21%1998
White-crowned SparrowPasserellidae102025-11%1998
Ruby-crowned KingletRegulidae102025+9%1998
Mountain BluebirdTurdidae102025+11%1998
Clark's NutcrackerCorvidae82025+280%1999
Cliff SwallowHirundinidae82025-93%1998
Black-headed GrosbeakCardinalidae72025+125%2021
Red-winged BlackbirdIcteridae62024+120%2011
Chipping SparrowPasserellidae62025+60%2013
Western TanagerCardinalidae62025+260%2017
House SparrowPasseridae62025+17%2018
Pine GrosbeakFringillidae52024+0%1998
Mountain ChickadeeParidae52025+58%1998
Turkey VultureCathartidae52023+167%1998
Song SparrowPasserellidae52025+75%2013
Barn SwallowHirundinidae52024+100%2015
Common RavenCorvidae42025-61%1998
American CrowCorvidae42021+75%1999
Pine SiskinFringillidae42025+186%1998
Savannah SparrowPasserellidae41999+20%1996
Lincoln's SparrowPasserellidae42025-32%1998
Steller's JayCorvidae42025+75%2008
Fox SparrowPasserellidae42025-25%1999
Townsend's SolitaireTurdidae42025+267%1999
Red CrossbillFringillidae42025-64%2016
Western Wood-PeweeTyrannidae32025-11%1998
Green-tailed TowheePasserellidae32025+125%2011
Violet-green SwallowHirundinidae32025-7%1998
Swainson's ThrushTurdidae32021+133%1999
Red-naped SapsuckerPicidae32025+14%2008
Black-billed MagpieCorvidae32025+86%1999
Northern House WrenTroglodytidae32024+50%2008
Northern Rough-winged SwallowHirundinidae32011n/an/a
Williamson's SapsuckerPicidae32016n/an/a
Ferruginous HawkAccipitridae32023n/an/a
KilldeerCharadriidae22024-33%1998

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