BBS Route · Colorado · BCR 18

Campo Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 57 species recorded across 31 survey years, still active.

Bird Species Found on Colorado Campo

Top 40 of 57 species by most recent count. Each links to its species trend.

Species recorded on the Campo 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 MeadowlarkIcteridae2112025-13%1990
Horned LarkAlaudidae1052025+36%1990
Mourning DoveColumbidae952025-22%1990
Cassin's SparrowPasserellidae922025-7%1990
Western KingbirdTyrannidae262025+146%1990
DickcisselCardinalidae252025+307%2007
American CrowCorvidae202018+65%1990
Lark SparrowPasserellidae172025+76%1990
Chihuahuan RavenCorvidae162025+309%1990
Lark BuntingPasserellidae152025+4%1990
Bullock's OrioleIcteridae142025+136%1990
Barn SwallowHirundinidae142025+127%1990
Cassin's KingbirdTyrannidae132019+117%2018
Northern BobwhiteOdontophoridae112025+140%2018
House SparrowPasseridae102025-58%1991
Burrowing OwlStrigidae82025+115%1990
Northern MockingbirdMimidae82025+136%1990
Common GrackleIcteridae72025-17%1991
Eurasian Collared-DoveColumbidae72025+129%2013
Grasshopper SparrowPasserellidae52025-42%1990
Long-billed CurlewScolopacidae42025-80%1990
Ring-necked PheasantPhasianidae42018-87%1990
European StarlingSturnidae42018+0%2015
Mountain PloverCharadriidae42018n/an/a
Rock PigeonColumbidae32018+130%1990
Swainson's HawkAccipitridae32025-56%1990
Common NighthawkCaprimulgidae32025+0%1991
Red-winged BlackbirdIcteridae32025-50%1992
Western Wood-PeweeTyrannidae32015+200%2001
KilldeerCharadriidae22025-25%1990
American RobinTurdidae22025-22%1990
MallardAnatidae22016+100%1989
Turkey VultureCathartidae22025+75%1993
Say's PhoebeTyrannidae22025+50%1996
Brewer's BlackbirdIcteridae22016-71%1993
Blue GrosbeakCardinalidae22025+0%2001
Great-tailed GrackleIcteridae22025+175%2009
Canada GooseAnatidae22019n/an/a
Wilson's SnipeScolopacidae11988n/an/a
Scaled QuailOdontophoridae12025-87%1990

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