BirdAnalyst
BBS Route · Colorado · BCR 16

Walsenburg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 21 survey years, still active.

100Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2024Span
6Observers

Bird Species Found on Colorado Walsenburg

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Walsenburg 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 DoveColumbidae582024+14%1996
Lark SparrowPasserellidae522024+927%1997
Western Wood-PeweeTyrannidae392024+95%1996
Northern MockingbirdMimidae392024+260%1996
Cassin's KingbirdTyrannidae392024+758%1998
Black-headed GrosbeakCardinalidae292024+248%1996
Cliff SwallowHirundinidae292024+442%1996
American RobinTurdidae292024+29%1996
Western MeadowlarkIcteridae212024-60%1996
Spotted TowheePasserellidae202024+33%1996
Ash-throated FlycatcherTyrannidae202024+291%2000
Woodhouse's Scrub-JayCorvidae162024+148%1996
Plumbeous VireoVireonidae142024+433%1996
Western KingbirdTyrannidae122024+500%1996
Bullock's OrioleIcteridae122024+292%1996
Western TanagerCardinalidae112024+457%1998
House FinchFringillidae112024+225%2007
Brown-headed CowbirdIcteridae102024-5%1996
Lesser GoldfinchFringillidae102024+85%1996
Gray FlycatcherTyrannidae102024-38%2008
Violet-green SwallowHirundinidae92024-3%1996
Mountain BluebirdTurdidae92024+4%1996
Black-billed MagpieCorvidae82024-6%1996
Yellow WarblerParulidae72024+200%1996
Lazuli BuntingCardinalidae72023+300%2000
Mountain ChickadeeParidae62023-8%1996
Bewick's WrenTroglodytidae62024+113%2021
Common RavenCorvidae52024-24%1996
Northern House WrenTroglodytidae52024+7%1996
Turkey VultureCathartidae52024+500%2003
Wild TurkeyPhasianidae42023+36%2002
Say's PhoebeTyrannidae42024+275%1998
Pinyon JayCorvidae42023-56%1996
Song SparrowPasserellidae42016+75%1997
Rock WrenTroglodytidae42024-11%1997
Red-tailed HawkAccipitridae32024-44%1996
American KestrelFalconidae32024-25%1996
Common NighthawkCaprimulgidae32024+0%1996
Red CrossbillFringillidae32016+200%1994
Chipping SparrowPasserellidae32024+56%1996

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