BirdAnalyst
BBS Route · Colorado · BCR 16

Pagosa Spgs Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 12 survey years, no longer active.

91Species 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 →
12Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–1982Span
3Observers

Bird Species Found on Colorado Pagosa Spgs

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Pagosa Spgs 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
Red-winged BlackbirdIcteridae1031982+98%1970
Cliff SwallowHirundinidae591982+121%1971
Brewer's BlackbirdIcteridae561982+32%1970
American RobinTurdidae491982-31%1970
Violet-green SwallowHirundinidae351982+72%1970
American CootRallidae341982+800%1976
Western MeadowlarkIcteridae201982+2%1970
Warbling VireoVireonidae191982+46%1975
Green-tailed TowheePasserellidae181982-30%1970
Black-billed MagpieCorvidae171982-9%1970
Western Wood-PeweeTyrannidae161982-23%1970
Tree SwallowHirundinidae161978-20%1970
Northern House WrenTroglodytidae151982+24%1971
Mourning DoveColumbidae141982+57%1970
Brown-headed CowbirdIcteridae141982+89%1977
KilldeerCharadriidae111982+36%1971
Broad-tailed HummingbirdTrochilidae101982-15%1970
Steller's JayCorvidae91982-54%1970
American CrowCorvidae91982+31%1970
Hermit ThrushTurdidae81982+15%1970
Barn SwallowHirundinidae81982+132%1971
Chipping SparrowPasserellidae61982-39%1970
European StarlingSturnidae61982+167%1973
Plumbeous VireoVireonidae61978+100%1974
Vesper SparrowPasserellidae61982+500%1975
Blue-winged TealAnatidae61977+100%1976
Yellow-headed BlackbirdIcteridae61982n/an/a
House FinchFringillidae51982+25%1969
Northern Rough-winged SwallowHirundinidae51982+77%1976
Dusky GrousePhasianidae51975n/an/a
Grace's WarblerParulidae51975n/an/a
Song SparrowPasserellidae41982+122%1970
Black-headed GrosbeakCardinalidae41982+29%1970
Western TanagerCardinalidae41982+0%1970
Mountain ChickadeeParidae41982+10%1970
Spotted SandpiperScolopacidae41973+300%1969
Spotted TowheePasserellidae41982+220%1974
Lazuli BuntingCardinalidae41982+300%1971
Cinnamon TealAnatidae41974+300%1972
Virginia's WarblerParulidae41975n/an/a

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