BBS Route · Colorado · BCR 16

Wet Mtns. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 30 survey years, still active.

Bird Species Found on Colorado Wet Mtns.

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Wet Mtns. 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
Western Wood-PeweeTyrannidae292024+116%1995
American RobinTurdidae252024-27%1995
Mourning DoveColumbidae232024+56%1995
Broad-tailed HummingbirdTrochilidae212024+86%1995
Spotted TowheePasserellidae192024-35%1995
Chipping SparrowPasserellidae162024+27%1995
Warbling VireoVireonidae162024+0%1996
Western MeadowlarkIcteridae142024+52%1995
Vesper SparrowPasserellidae122024+67%1995
Pinyon JayCorvidae112024+173%2001
Green-tailed TowheePasserellidae112024-11%1995
Violet-green SwallowHirundinidae102024+162%1995
Black-headed GrosbeakCardinalidae92024-32%1997
Steller's JayCorvidae72023-35%1996
Western TanagerCardinalidae72024+79%1995
Northern House WrenTroglodytidae72024+42%1995
Blue-gray GnatcatcherPolioptilidae72024+0%1995
Lark BuntingPasserellidae71994n/an/a
Clark's NutcrackerCorvidae62024-47%1995
Lark SparrowPasserellidae62024-28%1995
Mountain BluebirdTurdidae62024-30%1995
Rock PigeonColumbidae61994n/an/a
Lesser GoldfinchFringillidae62024+175%1996
Mountain ChickadeeParidae52023+100%1995
Evening GrosbeakFringillidae51994n/an/a
Wild TurkeyPhasianidae52022-14%2019
Band-tailed PigeonColumbidae41993n/an/a
American CrowCorvidae42023-38%1995
European StarlingSturnidae42007+0%1994
Brown-headed CowbirdIcteridae42024-22%1996
Red-winged BlackbirdIcteridae42024-57%1995
Brewer's BlackbirdIcteridae42024-71%1995
Plumbeous VireoVireonidae42024+36%1995
Virginia's WarblerParulidae42024-50%1996
Ruby-crowned KingletRegulidae42023+567%2014
Horned LarkAlaudidae42021+29%2002
Black-billed MagpieCorvidae32024+64%1995
Rock WrenTroglodytidae32024-10%1995
Williamson's SapsuckerPicidae32018+167%2003
MacGillivray's WarblerParulidae32024-17%1999

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