BirdAnalyst
BBS Route · Colorado · BCR 16

Wray Gulch Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 36 survey years, still active.

115Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1988–2025Span
3Observers

Bird Species Found on Colorado Wray Gulch

Top 40 of 115 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
Brewer's SparrowPasserellidae532025-55%1990
Spotted TowheePasserellidae452025+988%1990
Green-tailed TowheePasserellidae402025-33%1990
Western MeadowlarkIcteridae342025+74%1990
Mourning DoveColumbidae292025+273%1990
Blue-gray GnatcatcherPolioptilidae292025+86%1990
Common RavenCorvidae282025+139%1990
Rock WrenTroglodytidae242025+27%1990
Mountain BluebirdTurdidae242025+24%1990
American RobinTurdidae182025-13%1990
Brewer's BlackbirdIcteridae172025-3%1992
Gray FlycatcherTyrannidae142025+57%1990
Black-billed MagpieCorvidae132025-69%1990
Pinyon JayCorvidae132025-41%1990
Ash-throated FlycatcherTyrannidae122025+95%1990
Vesper SparrowPasserellidae112025-73%1990
House FinchFringillidae102025+47%1991
White-throated SwiftApodidae92025-71%1991
Violet-green SwallowHirundinidae92025+25%1990
Red-winged BlackbirdIcteridae82025-76%1990
Song SparrowPasserellidae82025+142%1990
Cliff SwallowHirundinidae82025-47%1990
Canada GooseAnatidae81993n/an/a
Chipping SparrowPasserellidae72025+108%1990
Black-throated Gray WarblerParulidae62025+270%1990
Great Blue HeronArdeidae42025+17%2002
Lark SparrowPasserellidae42025+71%1991
Plumbeous VireoVireonidae42025-25%1990
Yellow-headed BlackbirdIcteridae42002-33%1991
Prairie FalconFalconidae32005+200%1988
Say's PhoebeTyrannidae32025+0%1990
Bewick's WrenTroglodytidae32025+33%1991
Juniper TitmouseParidae32025-44%1990
European StarlingSturnidae32025-72%1992
Sage ThrasherMimidae32025-29%1996
Dusky FlycatcherTyrannidae32023+20%2004
Blue GrosbeakCardinalidae32021+50%1997
MallardAnatidae22023+67%1990
Spotted SandpiperScolopacidae22025-17%1990
Brown-headed CowbirdIcteridae22025-60%1990

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