BirdAnalyst
BBS Route · Colorado · BCR 10

Browns Park Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 22 survey years, still active.

95Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2025Span
8Observers

Bird Species Found on Colorado Browns Park

Top 40 of 95 species by most recent count. Each links to its species trend.

Species recorded on the Browns Park 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
Woodhouse's Scrub-JayCorvidae632006n/an/a
Western MeadowlarkIcteridae602025+63%1994
Brewer's SparrowPasserellidae472025+116%1994
Mourning DoveColumbidae422025+82%1994
Lark SparrowPasserellidae392025+118%1994
Sage ThrasherMimidae382025-8%1994
Barn SwallowHirundinidae362007+333%1999
Vesper SparrowPasserellidae302025-9%1994
Canada GooseAnatidae302015n/an/a
Horned LarkAlaudidae212025+25%1994
Sagebrush SparrowPasserellidae192025-59%1994
Common RavenCorvidae122025+229%1996
Red-winged BlackbirdIcteridae112025-42%1994
Spotted TowheePasserellidae112025+129%1994
American CrowCorvidae102025+143%2006
Ash-throated FlycatcherTyrannidae72025+89%1996
European StarlingSturnidae72025-29%1994
Blue-gray GnatcatcherPolioptilidae72025+67%1994
Mountain BluebirdTurdidae72025-72%1994
Black-billed MagpieCorvidae62025+29%1994
Brown-headed CowbirdIcteridae52025+9%1994
Cliff SwallowHirundinidae52025-90%1994
Common YellowthroatParulidae52025+71%1994
Yellow-breasted ChatIcteriidae42025+333%1995
Rock WrenTroglodytidae42025+29%1994
Bank SwallowHirundinidae42006+300%1994
American White PelicanPelecanidae42006n/an/a
Common NighthawkCaprimulgidae32022+0%1995
Pinyon JayCorvidae32025-96%1995
Northern Rough-winged SwallowHirundinidae32025+200%1994
Yellow WarblerParulidae32025+29%1994
Bewick's WrenTroglodytidae32025-9%1994
Wilson's SnipeScolopacidae32024+300%1997
Great Blue HeronArdeidae32015+150%1997
Turkey VultureCathartidae22025-40%1994
American KestrelFalconidae22025+280%1994
Chipping SparrowPasserellidae22025-72%1995
Song SparrowPasserellidae22025-42%1994
Green-tailed TowheePasserellidae22024-58%1994
Black-chinned HummingbirdTrochilidae22022-33%2000

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