BirdAnalyst
BBS Route · Colorado · BCR 16

Summitville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 107 species recorded across 28 survey years, still active.

107Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1991–2025Span
4Observers

Bird Species Found on Colorado Summitville

Top 40 of 107 species by most recent count. Each links to its species trend.

Species recorded on the Summitville 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
Pinyon JayCorvidae252025+471%2007
Warbling VireoVireonidae132025-67%1993
American RobinTurdidae132025-76%1993
Canada GooseAnatidae131994n/an/a
Red-winged BlackbirdIcteridae122025-87%1993
European StarlingSturnidae112022-25%1993
Brewer's BlackbirdIcteridae102025+211%1996
Evening GrosbeakFringillidae102015+67%1993
Broad-tailed HummingbirdTrochilidae82025-50%1993
White-crowned SparrowPasserellidae82025-75%1993
Ruby-crowned KingletRegulidae82025-63%1993
Common GrackleIcteridae81994n/an/a
Red CrossbillFringillidae82021+0%1998
Violet-green SwallowHirundinidae62025-50%1993
Clark's NutcrackerCorvidae62025-60%1994
Common RavenCorvidae52025-22%1994
Pine SiskinFringillidae52025-91%1993
Hermit ThrushTurdidae52024-88%1993
Tree SwallowHirundinidae52025-33%2006
Western Wood-PeweeTyrannidae42024-68%1993
Chipping SparrowPasserellidae42025-15%1993
Northern House WrenTroglodytidae42025-90%1994
Lincoln's SparrowPasserellidae42025-25%1996
Mourning DoveColumbidae32025-58%1994
Black-billed MagpieCorvidae32025-69%1994
Steller's JayCorvidae32021-17%1993
Western MeadowlarkIcteridae32023-43%1994
Yellow WarblerParulidae32025-62%1993
Northern Rough-winged SwallowHirundinidae32000-25%1993
Hammond's FlycatcherTyrannidae32000+67%1996
Cliff SwallowHirundinidae32016-96%1999
Common YellowthroatParulidae32000n/an/a
Canada JayCorvidae22012-40%1993
Cassin's FinchFringillidae22025-73%1993
Lark SparrowPasserellidae22012-33%2006
Wilson's WarblerParulidae22025-86%1993
Black-capped ChickadeeParidae22008+40%1996
Mountain ChickadeeParidae22025-88%1993
Rock PigeonColumbidae22025+100%1992
Common NighthawkCaprimulgidae22024-85%1994

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