BirdAnalyst
BBS Route · Colorado · BCR 16

Rifle Falls Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 116 species recorded across 23 survey years, still active.

116Species 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 →
23Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2021Span
1Observers

Bird Species Found on Colorado Rifle Falls

Top 40 of 116 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 White PelicanPelecanidae462000n/an/a
American RobinTurdidae372021-28%2000
Canada GooseAnatidae252021+105%2001
Black-billed MagpieCorvidae232021-59%2000
Red-winged BlackbirdIcteridae162021-69%2000
Song SparrowPasserellidae142021-42%2000
Common RavenCorvidae132021+425%2000
Pine SiskinFringillidae132019-25%2000
White-throated SwiftApodidae102021-26%2000
Northern Rough-winged SwallowHirundinidae102021+70%2000
Mourning DoveColumbidae92021-15%2000
Yellow WarblerParulidae92021-28%2000
Western MeadowlarkIcteridae82021-57%2000
European StarlingSturnidae72021-66%2000
Evening GrosbeakFringillidae72003+40%1998
Green-tailed TowheePasserellidae72021-63%2000
Plumbeous VireoVireonidae72019+300%2000
American CrowCorvidae72021-25%2011
Chipping SparrowPasserellidae62021-71%2000
Spotted TowheePasserellidae62021-14%2000
Bank SwallowHirundinidae62014+175%2003
Warbling VireoVireonidae62021-27%2000
American GoldfinchFringillidae62021+40%2003
Ash-throated FlycatcherTyrannidae52021-33%2000
Pinyon JayCorvidae52018-76%2000
Wilson's WarblerParulidae52013+400%1998
Swainson's ThrushTurdidae52021+44%2000
House FinchFringillidae52018+57%2001
Golden-crowned KingletRegulidae52009+100%2003
Dusky FlycatcherTyrannidae42019-36%2000
Clark's NutcrackerCorvidae42017+67%2000
Black-headed GrosbeakCardinalidae42021-27%2001
Violet-green SwallowHirundinidae42021-81%2000
Mountain BluebirdTurdidae42021+35%2000
MallardAnatidae32021-25%2000
Golden EagleAccipitridae32021+40%2001
Broad-tailed HummingbirdTrochilidae32021-65%2000
Woodhouse's Scrub-JayCorvidae32021-44%2000
Vesper SparrowPasserellidae32021-56%2001
Barn SwallowHirundinidae32019-40%2000

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