BBS Route · Colorado · BCR 18

Cone Mtn Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 78 species recorded across 25 survey years, still active.

Bird Species Found on Colorado Cone Mtn

Top 40 of 78 species by most recent count. Each links to its species trend.

Species recorded on the Cone Mtn 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 MeadowlarkIcteridae942024-67%1990
Lark SparrowPasserellidae452024-67%1990
Horned LarkAlaudidae372024-87%1990
Northern MockingbirdMimidae242024+12%1990
Cliff SwallowHirundinidae242018-78%1992
Mourning DoveColumbidae222024-44%1990
Cassin's SparrowPasserellidae202024-73%1990
Lesser GoldfinchFringillidae122018+200%2008
Chipping SparrowPasserellidae102018n/an/a
Western KingbirdTyrannidae92024-79%1990
Eurasian Collared-DoveColumbidae72024+314%2015
Barn SwallowHirundinidae62024-57%1990
Common NighthawkCaprimulgidae52024-61%1990
Pinyon JayCorvidae52021-8%1990
Say's PhoebeTyrannidae42024+100%1991
Red-winged BlackbirdIcteridae42019-70%1994
Rock WrenTroglodytidae42008-53%1992
Great-tailed GrackleIcteridae42007n/an/a
Swainson's HawkAccipitridae32024-27%1990
Common RavenCorvidae32024+111%1990
Bullock's OrioleIcteridae32024-76%1990
House SparrowPasseridae32024+100%2001
Black-headed GrosbeakCardinalidae32013n/an/a
Greater RoadrunnerCuculidae32018n/an/a
Ring-necked PheasantPhasianidae22018-50%1988
American KestrelFalconidae22024+14%1990
Vesper SparrowPasserellidae22019+760%2014
Canyon TowheePasserellidae22022+200%2005
Northern Rough-winged SwallowHirundinidae22016+218%2004
Loggerhead ShrikeLaniidae22024-73%1992
Chihuahuan RavenCorvidae22024+108%1991
Common GrackleIcteridae22021-70%1991
Blue GrosbeakCardinalidae22021+100%1990
Scaled QuailOdontophoridae22021+80%2004
Brewer's SparrowPasserellidae22022+114%2001
Yellow WarblerParulidae22018+50%2014
Blue-winged TealAnatidae22004n/an/a
Black-throated Gray WarblerParulidae22018n/an/a
KilldeerCharadriidae12024-40%1990
Rock PigeonColumbidae11988n/an/a

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