BirdAnalyst
BBS Route · Colorado · BCR 16

Steamboat L. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 27 survey years, still active.

100Species 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2024Span
2Observers

Bird Species Found on Colorado Steamboat L.

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Steamboat L. 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 RobinTurdidae522024-56%1998
White-crowned SparrowPasserellidae342024-41%1998
Broad-tailed HummingbirdTrochilidae262024-62%1998
American CrowCorvidae202024+3%1998
Savannah SparrowPasserellidae192024+20%1998
Black-billed MagpieCorvidae162024+167%1999
Lincoln's SparrowPasserellidae152024-10%1998
Violet-green SwallowHirundinidae152024-26%1998
Ruby-crowned KingletRegulidae152024-58%1998
Northern House WrenTroglodytidae132024-79%1998
House SparrowPasseridae12202412×2021
Red-naped SapsuckerPicidae102024+243%2000
Warbling VireoVireonidae102024-62%1998
Mountain ChickadeeParidae102024+167%2000
Green-tailed TowheePasserellidae102024+40%1999
Mourning DoveColumbidae92024+50%1998
Chipping SparrowPasserellidae92024+33%1998
Cliff SwallowHirundinidae92024+150%2001
American White PelicanPelecanidae92022+86%2016
Yellow WarblerParulidae82024-73%1998
American KestrelFalconidae72024+80%1999
Canada GooseAnatidae72018+100%2001
Pine SiskinFringillidae62024-86%1998
Western TanagerCardinalidae62024+250%1998
Red-breasted NuthatchSittidae62024+25%2003
Brown-headed CowbirdIcteridae52024-78%1998
Red-winged BlackbirdIcteridae52024-75%1998
Song SparrowPasserellidae52024-68%1998
MacGillivray's WarblerParulidae52024+75%1999
Sandhill CraneGruidae42024-32%1998
Wilson's SnipeScolopacidae42024-66%1998
Western Wood-PeweeTyrannidae42024-68%1998
European StarlingSturnidae42024-50%1998
Vesper SparrowPasserellidae42022-65%1998
Hermit ThrushTurdidae42024+10%1999
Band-tailed PigeonColumbidae42011-64%2010
Willow FlycatcherTyrannidae32024-48%1998
Western MeadowlarkIcteridae32024-17%1998
Evening GrosbeakFringillidae32006+125%2000
Pine GrosbeakFringillidae32004+200%1996

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