BirdAnalyst
BBS Route · Colorado · BCR 16

Pinon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 27 survey years, still active.

99Species 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 →
1992–2025Span
4Observers

Bird Species Found on Colorado Pinon

Top 40 of 99 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 RobinTurdidae302025-49%1994
Hermit ThrushTurdidae242025+31%1994
Warbling VireoVireonidae212025-29%1994
Spotted TowheePasserellidae202025+113%1998
Chipping SparrowPasserellidae192025-26%1994
Western TanagerCardinalidae132025+69%1994
Pine SiskinFringillidae102025-65%1994
Ruby-crowned KingletRegulidae102025+7%1994
Cliff SwallowHirundinidae102024-17%2017
Mountain BluebirdTurdidae92025+280%1997
Mountain ChickadeeParidae72025-51%1994
Mourning DoveColumbidae72025+300%1998
Black-billed MagpieCorvidae72025+15%1998
Brewer's BlackbirdIcteridae62022-70%1994
Dusky FlycatcherTyrannidae62025+82%1995
White-crowned SparrowPasserellidae61994n/an/a
Western Wood-PeweeTyrannidae52025-19%1994
Green-tailed TowheePasserellidae52025-34%1994
Cassin's FinchFringillidae52025+60%2008
Gray FlycatcherTyrannidae52025-10%2017
Common NighthawkCaprimulgidae42025+75%1994
Steller's JayCorvidae42025-59%1994
Western MeadowlarkIcteridae42024+11%1994
Northern House WrenTroglodytidae42025-19%1994
Black-headed GrosbeakCardinalidae42025-83%1998
Pygmy NuthatchSittidae42025+50%2004
Wilson's WarblerParulidae42004+300%1995
Canada JayCorvidae32024+0%1997
Common RavenCorvidae32025+225%1998
Yellow WarblerParulidae32024-67%1994
Evening GrosbeakFringillidae32007-77%1995
Violet-green SwallowHirundinidae32025-77%1998
Blue-gray GnatcatcherPolioptilidae32025-58%2006
American KestrelFalconidae22023+20%1994
Hairy WoodpeckerPicidae22025-67%1994
Red-naped SapsuckerPicidae22025+40%1994
Williamson's SapsuckerPicidae22025-25%2005
Broad-tailed HummingbirdTrochilidae22025-40%1994
American CrowCorvidae22025-60%1994
Clark's NutcrackerCorvidae22025+18%1995

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