BirdAnalyst
BBS Route · Colorado · BCR 16

Wray Gulch Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 113 species recorded across 35 survey years, still active.

113Species 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 →
35Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2023Span
3Observers

Bird Species Found on Colorado Wray Gulch

Top 40 of 113 species by most recent count. Each links to its species trend.

Species recorded on the Wray Gulch 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
Mourning DoveColumbidae572023+265%1990
Pinyon JayCorvidae492023-48%1990
Brewer's SparrowPasserellidae382023-58%1990
Blue-gray GnatcatcherPolioptilidae342023+78%1990
Mountain BluebirdTurdidae272023+27%1990
Western MeadowlarkIcteridae252023+41%1990
Vesper SparrowPasserellidae182023-71%1990
Spotted TowheePasserellidae182023+650%1990
Black-throated Gray WarblerParulidae182023+370%1990
Rock WrenTroglodytidae182023+15%1990
Ash-throated FlycatcherTyrannidae122023+110%1990
Black-billed MagpieCorvidae122023-78%1990
Common RavenCorvidae122023+126%1990
Gray FlycatcherTyrannidae112023+24%1990
Brewer's BlackbirdIcteridae112023-23%1992
Green-tailed TowheePasserellidae112023-40%1990
House FinchFringillidae102023+6%1991
Chipping SparrowPasserellidae92023+108%1990
Barn SwallowHirundinidae92023-26%1990
Red-winged BlackbirdIcteridae82023-79%1990
Canada GooseAnatidae81993n/an/a
Lark SparrowPasserellidae72023+29%1991
Song SparrowPasserellidae62023+150%1990
Cliff SwallowHirundinidae62023-6%1990
Say's PhoebeTyrannidae52023-15%1990
Plumbeous VireoVireonidae52022-19%1990
American RobinTurdidae52023-13%1990
White-throated SwiftApodidae42023-76%1991
Juniper TitmouseParidae42023-56%1990
Yellow-headed BlackbirdIcteridae42002-33%1991
Prairie FalconFalconidae32005+200%1988
Brown-headed CowbirdIcteridae32023-33%1990
Violet-green SwallowHirundinidae32023+35%1990
Northern Rough-winged SwallowHirundinidae32023+64%1990
European StarlingSturnidae32021-72%1992
Dusky FlycatcherTyrannidae32023+20%2004
Blue GrosbeakCardinalidae32021+50%1997
MallardAnatidae22023+67%1990
Bullock's OrioleIcteridae22023+25%1992
Virginia's WarblerParulidae22023-20%1993

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