BirdAnalyst
BBS Route · Colorado · BCR 16

Fox Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 15 survey years, still active.

103Species 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 →
15Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2024Span
5Observers

Bird Species Found on Colorado Fox Creek

Top 40 of 103 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 RobinTurdidae652024-35%1997
Warbling VireoVireonidae612024+145%1997
Violet-green SwallowHirundinidae292024-80%1997
Broad-tailed HummingbirdTrochilidae252024-73%1997
Ruby-crowned KingletRegulidae242024-35%1997
Red-winged BlackbirdIcteridae202024+253%1997
Black-billed MagpieCorvidae192024-47%1997
Western TanagerCardinalidae192024-26%1997
American CrowCorvidae182024+84%1997
Horned LarkAlaudidae182000n/an/a
Song SparrowPasserellidae172024+24%1997
Steller's JayCorvidae162024-31%1997
Clark's NutcrackerCorvidae162024-47%1997
Brewer's BlackbirdIcteridae152024-62%1997
Northern House WrenTroglodytidae152024+200%1997
Pine SiskinFringillidae132024-79%1997
Tree SwallowHirundinidae132024+134%1997
Chipping SparrowPasserellidae112024-52%1997
Western Wood-PeweeTyrannidae102024-71%1997
Yellow WarblerParulidae102024-53%1997
Common RavenCorvidae92024-68%1997
Green-tailed TowheePasserellidae72024+21%1997
Mountain ChickadeeParidae72024+39%2000
European StarlingSturnidae62019+30%1997
Western MeadowlarkIcteridae62024-31%1997
Black-headed GrosbeakCardinalidae62024+87%1997
Vesper SparrowPasserellidae62024-32%2001
Lincoln's SparrowPasserellidae62024-74%2019
White-crowned SparrowPasserellidae52024-47%1997
Pinyon JayCorvidae52023-36%2017
MallardAnatidae42024-14%1997
Brown-headed CowbirdIcteridae42024-13%2008
Red CrossbillFringillidae42011n/an/a
Lark SparrowPasserellidae42021n/an/a
Common MerganserAnatidae32023-30%1997
Canada GooseAnatidae32023-40%2008
Spotted SandpiperScolopacidae32024-33%1997
Cliff SwallowHirundinidae32024-63%2000
House SparrowPasseridae32024-57%2001
Black-capped ChickadeeParidae32021-67%1997

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