BirdAnalyst
BBS Route · Colorado · BCR 16

Gold Hill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 74 species recorded across 12 survey years, no longer active.

74Species 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 →
12Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2012Span
1Observers

Bird Species Found on Colorado Gold Hill

Top 40 of 74 species by most recent count. Each links to its species trend.

Species recorded on the Gold Hill 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 CrowCorvidae492012+117%2000
Broad-tailed HummingbirdTrochilidae352012+16%2000
American RobinTurdidae332012-17%2000
Violet-green SwallowHirundinidae262012+135%2000
Mourning DoveColumbidae232012+58%2000
Pygmy NuthatchSittidae232012+233%2001
Mountain ChickadeeParidae222012+8%2000
Warbling VireoVireonidae202012-3%2000
Northern House WrenTroglodytidae172012+46%2000
Pine SiskinFringillidae162012+23%2000
Common RavenCorvidae122012+25%2000
Canada GooseAnatidae122008+220%2005
Western Wood-PeweeTyrannidae112012+68%2000
Tree SwallowHirundinidae112012-2%2000
Ruby-crowned KingletRegulidae112012-29%2000
Lesser GoldfinchFringillidae112012+155%2005
Chipping SparrowPasserellidae102012+61%2000
Western TanagerCardinalidae92012+42%2000
American PipitMotacillidae91998n/an/a
Black-billed MagpieCorvidae82012+140%2000
Steller's JayCorvidae82012-20%2000
Spotted TowheePasserellidae82012+41%2000
Hairy WoodpeckerPicidae72012+80%2000
Black-headed GrosbeakCardinalidae62012-15%2000
Band-tailed PigeonColumbidae62012-14%2008
Lincoln's SparrowPasserellidae52012-20%2000
Hermit ThrushTurdidae52012-29%2000
Common GrackleIcteridae42012+125%2000
Virginia's WarblerParulidae42012-8%2000
White-breasted NuthatchSittidae42012+14%2000
Brown-headed CowbirdIcteridae32012-64%2000
House FinchFringillidae32012-43%2000
Plumbeous VireoVireonidae32012-23%2000
Red-breasted NuthatchSittidae32012+25%2000
Common NighthawkCaprimulgidae32012+0%2001
Common MerganserAnatidae32012-38%2006
Ring-necked DuckAnatidae32005n/an/a
Rock PigeonColumbidae21998n/an/a
Red-winged BlackbirdIcteridae22012-31%2000
Red CrossbillFringillidae22012+940%2000

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