BBS Route · Colorado · BCR 18

Stoneham Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 73 species recorded across 26 survey years, still active.

Bird Species Found on Colorado Stoneham

Top 40 of 73 species by most recent count. Each links to its species trend.

Species recorded on the Stoneham 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
Horned LarkAlaudidae1872025-6%1994
Lark BuntingPasserellidae1312025-2%1994
Western MeadowlarkIcteridae1082025+60%1994
Mourning DoveColumbidae462025+6%1994
Burrowing OwlStrigidae202025+733%2001
Swainson's HawkAccipitridae142025+55%1994
Western KingbirdTyrannidae142025-60%1994
Barn SwallowHirundinidae142025-35%1994
House SparrowPasseridae142025-26%1994
European StarlingSturnidae112025+225%1994
MallardAnatidae102021+171%1998
Common GrackleIcteridae92025+41%1994
Brown-headed CowbirdIcteridae72025+100%1994
American White PelicanPelecanidae62003+200%1996
Ring-necked PheasantPhasianidae52019+25%1994
Red-winged BlackbirdIcteridae52025-47%1994
Cassin's SparrowPasserellidae52021+229%1994
Cliff SwallowHirundinidae42025-59%1994
GadwallAnatidae42021+300%2003
KilldeerCharadriidae32025-53%1994
Bullock's OrioleIcteridae32021-40%1995
American RobinTurdidae32021+39%1994
Common NighthawkCaprimulgidae32025+8%1996
Ferruginous HawkAccipitridae32021+0%1996
Franklin's GullLaridae32025n/an/a
Mountain PloverCharadriidae21994-67%1992
Eastern KingbirdTyrannidae22025-44%1994
Say's PhoebeTyrannidae22025-69%1994
Red-tailed HawkAccipitridae22025-11%1998
American CrowCorvidae22003+50%1994
Northern MockingbirdMimidae22025-56%1996
American KestrelFalconidae22025+33%2005
Blue GrosbeakCardinalidae22021+100%2001
Green-winged TealAnatidae22003+0%1998
Wilson's PhalaropeScolopacidae22021-67%1998
House FinchFringillidae22025-17%2004
Northern BobwhiteOdontophoridae22019+0%2001
American GoldfinchFringillidae22010+100%2006
Double-crested CormorantPhalacrocoracidae22014n/an/a
Northern ShovelerAnatidae12021+0%1992

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