BirdAnalyst
BBS Route · Colorado · BCR 16

Pinon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 98 species recorded across 26 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2024Span
4Observers

Bird Species Found on Colorado Pinon

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

Species recorded on the Pinon 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 RobinTurdidae322024-39%1994
Hermit ThrushTurdidae242024+27%1994
Pine SiskinFringillidae172024-72%1994
Chipping SparrowPasserellidae162024-44%1994
Red CrossbillFringillidae162024+47%2006
Spotted TowheePasserellidae142024+61%1998
Common RavenCorvidae132024+313%1998
Warbling VireoVireonidae132024-37%1994
American CrowCorvidae112024-52%1994
Green-tailed TowheePasserellidae112024-20%1994
Western TanagerCardinalidae102024+6%1994
Mourning DoveColumbidae102024+267%1998
Cliff SwallowHirundinidae102024-17%2017
Clark's NutcrackerCorvidae92022+100%1995
Northern House WrenTroglodytidae92024+13%1994
Violet-green SwallowHirundinidae92024-79%1998
Mountain ChickadeeParidae72024-63%1994
Common NighthawkCaprimulgidae62024+63%1994
Brewer's BlackbirdIcteridae62022-70%1994
White-crowned SparrowPasserellidae61994n/an/a
Ash-throated FlycatcherTyrannidae62024-22%2013
Western Wood-PeweeTyrannidae52024-24%1994
Dusky FlycatcherTyrannidae52024+46%1995
Hairy WoodpeckerPicidae42024-58%1994
Western MeadowlarkIcteridae42024+11%1994
Mountain BluebirdTurdidae42024+300%1997
Wilson's WarblerParulidae42004+300%1995
Broad-tailed HummingbirdTrochilidae32024-40%1994
Canada JayCorvidae32024+0%1997
Yellow WarblerParulidae32024-67%1994
Ruby-crowned KingletRegulidae32024+37%1994
Evening GrosbeakFringillidae32007-77%1995
Black-billed MagpieCorvidae32017+69%1998
Blue-gray GnatcatcherPolioptilidae32024-67%2006
American KestrelFalconidae22023+20%1994
MallardAnatidae22024+100%2000
Western BluebirdTurdidae22024+57%2001
Black-headed GrosbeakCardinalidae22024-87%1998
Swainson's ThrushTurdidae21995-71%1994
Cassin's FinchFringillidae22024+0%2008

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.