BirdAnalyst
BBS Route · Colorado · BCR 16

Cochetopa Pass Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 92 species recorded across 27 survey years, still active.

92Species 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2025Span
2Observers

Bird Species Found on Colorado Cochetopa Pass

Top 40 of 92 species by most recent count. Each links to its species trend.

Species recorded on the Cochetopa Pass 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
American White PelicanPelecanidae652025+417%2023
Brewer's BlackbirdIcteridae272025-27%2000
GadwallAnatidae262025+34%2000
American RobinTurdidae202025-23%2000
Warbling VireoVireonidae192025+83%2000
Horned LarkAlaudidae172025-37%2000
Hermit ThrushTurdidae162025+48%2000
Western Wood-PeweeTyrannidae132025+380%2000
Common RavenCorvidae102025+11%2000
Violet-green SwallowHirundinidae102025-13%2000
Western MeadowlarkIcteridae92025-55%2000
Chipping SparrowPasserellidae82025-14%2000
Ruby-crowned KingletRegulidae82025-46%2000
Red-winged BlackbirdIcteridae72025-67%2000
Vesper SparrowPasserellidae72025-23%2000
Green-tailed TowheePasserellidae72025+17%2000
Red CrossbillFringillidae72007-30%2004
Savannah SparrowPasserellidae62025-70%2000
Sage ThrasherMimidae52025-4%2000
Mountain BluebirdTurdidae52025-74%2000
Great Blue HeronArdeidae52022+50%2008
Mountain ChickadeeParidae42025-60%2000
American CootRallidae42025-81%2001
Red-breasted NuthatchSittidae42024+60%2001
Wilson's SnipeScolopacidae32025+67%2000
Steller's JayCorvidae32025-38%2000
Canada JayCorvidae32023-30%2002
Brewer's SparrowPasserellidae32025-46%2000
Broad-tailed HummingbirdTrochilidae32025+133%2002
Northern House WrenTroglodytidae32024+400%2007
Red-tailed HawkAccipitridae32024+17%2007
Olive-sided FlycatcherTyrannidae32024+100%2008
Townsend's SolitaireTurdidae32023-14%2005
Williamson's SapsuckerPicidae32007+200%2005
Common NighthawkCaprimulgidae32014+200%2009
Mourning DoveColumbidae22025-71%2002
Clark's NutcrackerCorvidae22025-15%2004
Pine SiskinFringillidae22025-74%2000
White-crowned SparrowPasserellidae22025+83%2000
Yellow WarblerParulidae22025+20%2000

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