BBS Route · Colorado · BCR 16

Yellowjacket Pass Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 120 species recorded across 20 survey years, still active.

120Species Recorded
20Years Surveyed
19982024Span
7Observers

Bird Species Found on Colorado Yellowjacket Pass

Top 40 of 120 species by most recent count. Each links to its species trend.

Species recorded on the Yellowjacket Pass route.
History
Red-winged BlackbirdIcteridae542024+105%2001
Western MeadowlarkIcteridae452024+14%2001
Black-billed MagpieCorvidae412024+31%2001
Vesper SparrowPasserellidae372024+128%2001
Brewer's BlackbirdIcteridae332024-36%2001
American RobinTurdidae332024-3%2001
Brewer's SparrowPasserellidae322024+271%2001
Spotted TowheePasserellidae322024+111%2001
Green-tailed TowheePasserellidae272024+31%2001
Yellow WarblerParulidae262024+144%2001
Song SparrowPasserellidae232024+13%2001
Virginia's WarblerParulidae212024+69%2001
American CrowCorvidae192024+618%2001
Mourning DoveColumbidae172024-12%2001
Northern House WrenTroglodytidae152024+82%2001
Cliff SwallowHirundinidae142024+20%2001
Brown-headed CowbirdIcteridae122024+0%2001
Sage ThrasherMimidae112024+450%2003
Red CrossbillFringillidae92024n/an/a
European StarlingSturnidae82024+0%2001
KilldeerCharadriidae72024+55%2001
Western KingbirdTyrannidae72024+275%2003
Tree SwallowHirundinidae72024+56%2001
Warbling VireoVireonidae72024-20%2001
MallardAnatidae72024+289%2003
Canada GooseAnatidae62015-88%2003
Yellow-headed BlackbirdIcteridae62024+38%2007
Ring-necked DuckAnatidae62024+60%2013
Common RavenCorvidae62024+350%2008
Say's PhoebeTyrannidae52024+38%2001
Bullock's OrioleIcteridae52024+33%2003
Turkey VultureCathartidae52024+129%2010
Orange-crowned WarblerParulidae52024-9%2009
Greater Sage-GrousePhasianidae52018n/an/a
American CootRallidae42024+250%2001
Red-tailed HawkAccipitridae42024+22%2003
White-throated SwiftApodidae42024-24%2001
Northern Rough-winged SwallowHirundinidae42023-63%2001
Bank SwallowHirundinidae42015-50%2003
Pinyon JayCorvidae42003n/an/a

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