BirdAnalyst
BBS Route · Colorado · BCR 16

Harmony Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 122 species recorded across 52 survey years, still active.

122Species 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 →
52Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2025Span
3Observers

Bird Species Found on Colorado Harmony

Top 40 of 122 species by most recent count. Each links to its species trend.

Species recorded on the Harmony 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
Cliff SwallowHirundinidae932025-56%1975
House FinchFringillidae532025+623%1982
Common GrackleIcteridae212025+143%1975
American RobinTurdidae142025+22%1975
Ring-billed GullLaridae142023+650%1991
Canada GooseAnatidae132024-44%1976
Rock PigeonColumbidae112025-7%1975
Yellow WarblerParulidae92025+63%1975
Black-billed MagpieCorvidae82024-45%1975
Western MeadowlarkIcteridae82025-95%1975
Barn SwallowHirundinidae82024-55%1975
Yellow-breasted ChatIcteriidae82025+58%1975
Eurasian Collared-DoveColumbidae82025+214%2009
Mourning DoveColumbidae72025-86%1975
Red-winged BlackbirdIcteridae72025-71%1975
Bullock's OrioleIcteridae72025+0%1975
European StarlingSturnidae62025-82%1975
Spotted TowheePasserellidae62025-74%1975
Blue JayCorvidae62025+140%1986
Violet-green SwallowHirundinidae52025-67%1975
Swainson's ThrushTurdidae41975n/an/a
American CrowCorvidae42025+60%1980
Woodhouse's Scrub-JayCorvidae42025+50%1986
Red-tailed HawkAccipitridae32025+200%1979
White-throated SwiftApodidae32023-57%1979
Western KingbirdTyrannidae32025-20%1977
Chipping SparrowPasserellidae31975+200%1973
Song SparrowPasserellidae32024+100%1976
Lazuli BuntingCardinalidae32025-75%1975
Bewick's WrenTroglodytidae31976+0%1973
Lesser GoldfinchFringillidae32025-62%1980
Bank SwallowHirundinidae31980n/an/a
Red CrossbillFringillidae31982n/an/a
Western BluebirdTurdidae31990-63%1987
California GullLaridae32018+125%2000
Black PhoebeTyrannidae32018n/an/a
MallardAnatidae22025-20%1975
Turkey VultureCathartidae22024+71%1990
Broad-tailed HummingbirdTrochilidae22025+0%1977
Ash-throated FlycatcherTyrannidae21973n/an/a

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