BirdAnalyst
BBS Route · Colorado · BCR 16

Fox Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 16 survey years, still active.

105Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2025Span
5Observers

Bird Species Found on Colorado Fox Creek

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Fox Creek 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 RobinTurdidae582025-30%1997
Violet-green SwallowHirundinidae362025-70%1997
Red-winged BlackbirdIcteridae352025+353%1997
Warbling VireoVireonidae322025+161%1997
Ruby-crowned KingletRegulidae222025-25%1997
Broad-tailed HummingbirdTrochilidae202025-70%1997
Black-billed MagpieCorvidae192025-36%1997
American CrowCorvidae182025+43%1997
Horned LarkAlaudidae182000n/an/a
Yellow WarblerParulidae172025-44%1997
Brewer's BlackbirdIcteridae142025-69%1997
Western Wood-PeweeTyrannidae122025-66%1997
Clark's NutcrackerCorvidae112025-42%1997
Western TanagerCardinalidae112025-40%1997
Western MeadowlarkIcteridae92025-15%1997
Pine SiskinFringillidae92025-78%1997
Tree SwallowHirundinidae92025+19%1997
Green-tailed TowheePasserellidae82025+57%1997
Northern House WrenTroglodytidae82025+158%1997
Pygmy NuthatchSittidae82025+150%2023
Brown-headed CowbirdIcteridae82025+63%2008
White-crowned SparrowPasserellidae72025-13%1997
Black-headed GrosbeakCardinalidae72025+73%1997
Lincoln's SparrowPasserellidae72025-57%2019
Steller's JayCorvidae62025-37%1997
Common RavenCorvidae62025-55%1997
European StarlingSturnidae62019+30%1997
House SparrowPasseridae62025-43%2001
Vesper SparrowPasserellidae62025-11%2001
Spotted SandpiperScolopacidae52025-8%1997
White-throated SwiftApodidae52025-23%1997
Chipping SparrowPasserellidae52025-50%1997
Song SparrowPasserellidae52025+24%1997
Mountain ChickadeeParidae52025+13%2000
MallardAnatidae42024-14%1997
Mourning DoveColumbidae42025+0%1997
Cliff SwallowHirundinidae42025-58%2000
Cassin's FinchFringillidae42025+133%2011
Orange-crowned WarblerParulidae42025+14%2018
Red CrossbillFringillidae42011n/an/a

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