BBS Route · South Dakota · BCR 17

Marcus Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 71 species recorded across 10 survey years, still active.

Bird Species Found on South Dakota Marcus

Top 40 of 71 species by most recent count. Each links to its species trend.

Species recorded on the Marcus 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 BlackbirdIcteridae882015-56%2002
Cliff SwallowHirundinidae632014+204%2002
Brown-headed CowbirdIcteridae622015-34%2002
Mourning DoveColumbidae612015-48%2002
Grasshopper SparrowPasserellidae422015-39%2002
Western MeadowlarkIcteridae342015-62%2002
KilldeerCharadriidae312015+129%2002
Ring-necked PheasantPhasianidae312015+250%2002
Upland SandpiperScolopacidae202015-25%2002
Lark BuntingPasserellidae202015-20%2002
Bank SwallowHirundinidae16201216×2002
Barn SwallowHirundinidae132015-39%2002
Eastern KingbirdTyrannidae112015-77%2002
DickcisselCardinalidae112015+321%2003
Western KingbirdTyrannidae102015-76%2002
American RobinTurdidae82015-70%2002
Wild TurkeyPhasianidae82012-20%2001
Brewer's BlackbirdIcteridae72015+29%2003
Field SparrowPasserellidae72014n/an/a
Turkey VultureCathartidae62010+500%1999
Say's PhoebeTyrannidae62012+60%2001
Common GrackleIcteridae62014-38%2002
Swainson's HawkAccipitridae52003+400%1999
BobolinkIcteridae52015-42%2002
American KestrelFalconidae42003+200%2001
American GoldfinchFringillidae42012-21%2002
Northern Rough-winged SwallowHirundinidae42002+300%1999
Loggerhead ShrikeLaniidae42013-20%2002
Brown ThrasherMimidae42014+11%2002
Yellow-headed BlackbirdIcteridae42012n/an/a
Orchard OrioleIcteridae32013-78%2002
House SparrowPasseridae32014+50%2001
Wilson's PhalaropeScolopacidae32010+200%2001
Marbled GodwitScolopacidae32013+200%2001
Sharp-tailed GrousePhasianidae32012+0%2003
Pied-billed GrebePodicipedidae32010n/an/a
Eurasian Collared-DoveColumbidae32014n/an/a
MallardAnatidae22015+0%2002
GadwallAnatidae22010-43%2001
Blue-winged TealAnatidae22003-33%1999

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