BirdAnalyst
BBS Route · Colorado · BCR 16

Rifle Falls Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 121 species recorded across 24 survey years, still active.

121Species 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 →
24Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2025Span
2Observers

Bird Species Found on Colorado Rifle Falls

Top 40 of 121 species by most recent count. Each links to its species trend.

Species recorded on the Rifle Falls 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 RobinTurdidae632025-6%2000
White-throated SwiftApodidae622025+123%2000
Violet-green SwallowHirundinidae552025-4%2000
Black-billed MagpieCorvidae542025-31%2000
American White PelicanPelecanidae462000n/an/a
Red-winged BlackbirdIcteridae442025-38%2000
Yellow WarblerParulidae352025+13%2000
Song SparrowPasserellidae342025-19%2000
Warbling VireoVireonidae302025+35%2000
Chipping SparrowPasserellidae272025-18%2000
Canada GooseAnatidae252025+148%2001
Northern Rough-winged SwallowHirundinidae222025+280%2000
Broad-tailed HummingbirdTrochilidae182025-29%2000
Spotted TowheePasserellidae182025+43%2000
Western MeadowlarkIcteridae152025-43%2000
European StarlingSturnidae142025-25%2000
Blue-gray GnatcatcherPolioptilidae132025-32%2000
House FinchFringillidae132025+229%2001
BushtitAegithalidae132025-17%2008
Mountain BluebirdTurdidae122025+41%2000
Common RavenCorvidae112025+263%2000
Green-tailed TowheePasserellidae112025-59%2000
Ruby-crowned KingletRegulidae112025+23%2001
American GoldfinchFringillidae102025+100%2003
Lazuli BuntingCardinalidae92025+58%2000
Western TanagerCardinalidae92025+21%2000
Swainson's ThrushTurdidae92025+100%2000
American CrowCorvidae92025-5%2011
Common GrackleIcteridae92025n/an/a
Black-headed GrosbeakCardinalidae82025+27%2001
Barn SwallowHirundinidae82025-40%2000
Mountain ChickadeeParidae82025+0%2000
Western Wood-PeweeTyrannidae82025+10%2003
Evening GrosbeakFringillidae72003+40%1998
Virginia's WarblerParulidae72025-75%2000
Yellow-breasted ChatIcteriidae72025+333%2001
Northern House WrenTroglodytidae72025+18%2000
Western KingbirdTyrannidae62025-6%2001
Brewer's BlackbirdIcteridae62025-46%2000
Mourning DoveColumbidae52025-44%2000

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