BirdAnalyst
BBS Route · Colorado · BCR 16

Steamboat L. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 104 species recorded across 28 survey years, still active.

104Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2025Span
2Observers

Bird Species Found on Colorado Steamboat L.

Top 40 of 104 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 RobinTurdidae432025-47%1998
White-crowned SparrowPasserellidae312025-17%1998
Brewer's BlackbirdIcteridae232025+50%1998
Pine SiskinFringillidae222025-64%1998
Broad-tailed HummingbirdTrochilidae212025-37%1998
Lincoln's SparrowPasserellidae202025+71%1998
Red-naped SapsuckerPicidae192025+443%2000
American CrowCorvidae182025+3%1998
Ruby-crowned KingletRegulidae172025-49%1998
Yellow WarblerParulidae162025-35%1998
Warbling VireoVireonidae152025-27%1998
Mourning DoveColumbidae142025+150%1998
Violet-green SwallowHirundinidae142025+30%1998
Savannah SparrowPasserellidae132025+80%1998
Tree SwallowHirundinidae122025-69%1998
Northern House WrenTroglodytidae112025-67%1998
Black-billed MagpieCorvidae102025+256%1999
Western TanagerCardinalidae92025+300%1998
House SparrowPasseridae92025+800%2021
Mountain ChickadeeParidae82025+267%2000
Canada GooseAnatidae82025+158%2001
Brown-headed CowbirdIcteridae72025-63%1998
Song SparrowPasserellidae72025-48%1998
Green-tailed TowheePasserellidae62025+80%1999
Red-breasted NuthatchSittidae62025+88%2003
Willow FlycatcherTyrannidae52025-52%1998
Red-winged BlackbirdIcteridae52025-70%1998
MacGillivray's WarblerParulidae52025+175%1999
Swainson's ThrushTurdidae52025+67%2024
Sandhill CraneGruidae42025-47%1998
American KestrelFalconidae42025+140%1999
Steller's JayCorvidae42025+133%2003
Band-tailed PigeonColumbidae42011-64%2010
Western Wood-PeweeTyrannidae32025-71%1998
European StarlingSturnidae32025-47%1998
Pine GrosbeakFringillidae32004+200%1996
Vesper SparrowPasserellidae32025-60%1998
Grasshopper SparrowPasserellidae32013+50%1996
Chipping SparrowPasserellidae32025+8%1998
Black-capped ChickadeeParidae32025-38%1999

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