BirdAnalyst
BBS Route · Colorado · BCR 18

Ninaview Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 90 species recorded across 19 survey years, still active.

90Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2024Span
5Observers

Bird Species Found on Colorado Ninaview

Top 40 of 90 species by most recent count. Each links to its species trend.

Species recorded on the Ninaview 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
Northern MockingbirdMimidae842024+95%1996
Lark SparrowPasserellidae552024+5%1996
Western MeadowlarkIcteridae392024-59%1996
Cassin's SparrowPasserellidae292024-14%2001
Horned LarkAlaudidae212024-43%1996
Mourning DoveColumbidae172024-65%1996
Rock PigeonColumbidae172018+35%2000
Pinyon JayCorvidae172001+0%2000
Green-tailed TowheePasserellidae13200013×1994
Mountain BluebirdTurdidae122017+550%2010
Black-billed MagpieCorvidae112001+6%1995
Lark BuntingPasserellidae92015+42%2000
Brown-headed CowbirdIcteridae82024-72%2004
Eurasian Collared-DoveColumbidae82024+300%2012
Blue GrosbeakCardinalidae72024+167%1996
Chihuahuan RavenCorvidae52012-52%2001
Cedar WaxwingBombycillidae52016n/an/a
Wild TurkeyPhasianidae42023+61%2004
Bullock's OrioleIcteridae42024+46%1996
Barn SwallowHirundinidae42018+40%2004
Common NighthawkCaprimulgidae32024-36%1996
Western KingbirdTyrannidae32024-76%1996
Loggerhead ShrikeLaniidae32017-14%1996
Long-billed CurlewScolopacidae32024-21%2006
Greater RoadrunnerCuculidae32017+200%2000
Lewis's WoodpeckerPicidae32024+100%2014
European StarlingSturnidae32021+167%2007
Orchard OrioleIcteridae32024+133%2010
American KestrelFalconidae22023+0%2001
Cassin's KingbirdTyrannidae22024+175%1996
House SparrowPasseridae22023+83%1996
Common GrackleIcteridae22023-47%2000
Song SparrowPasserellidae21996+0%1995
Northern HarrierAccipitridae22004+100%2000
Eastern KingbirdTyrannidae22000n/an/a
Scott's OrioleIcteridae22001+100%2000
Black-headed GrosbeakCardinalidae22024-40%2006
Cliff SwallowHirundinidae22023+27%2006
Rock WrenTroglodytidae22017-63%2001
American RobinTurdidae22023+25%2007

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