BirdAnalyst
BBS Route · South Dakota · BCR 17

Harding Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 45 survey years, still active.

102Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
45Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2019Span
8Observers

Bird Species Found on South Dakota Harding

Top 40 of 102 species by most recent count. Each links to its species trend.

Species recorded on the Harding 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 MeadowlarkIcteridae2452019+66%1969
Grasshopper SparrowPasserellidae622019+240%1971
Red-winged BlackbirdIcteridae562019+186%1969
Brown-headed CowbirdIcteridae27201920×1974
European StarlingSturnidae252016+107%1969
Upland SandpiperScolopacidae22201911×1971
Common GrackleIcteridae192019+700%1969
Vesper SparrowPasserellidae182019+6%1969
BobolinkIcteridae172019-7%2012
Lark BuntingPasserellidae162019-76%1969
Common NighthawkCaprimulgidae152019+520%1971
Barn SwallowHirundinidae152019+42%1970
American White PelicanPelecanidae152016n/an/a
Orchard OrioleIcteridae132010+340%2001
Cliff SwallowHirundinidae112012-58%1987
Brewer's BlackbirdIcteridae102019+50%1970
Mourning DoveColumbidae82019+18%1969
Brewer's SparrowPasserellidae82017+13%2002
KilldeerCharadriidae62019-70%1969
American CrowCorvidae62017+29%1969
Sprague's PipitMotacillidae62011+88%2002
Marbled GodwitScolopacidae62017+500%2010
Clay-colored SparrowPasserellidae52014n/an/a
Chestnut-collared LongspurCalcariidae42014-32%1969
GadwallAnatidae42017+17%1974
Lesser ScaupAnatidae41997+100%1968
Northern HarrierAccipitridae42019+67%1974
Sharp-tailed GrousePhasianidae42014+200%1974
Ruddy DuckAnatidae42002+17%1986
Bank SwallowHirundinidae42012+0%2001
Black TernLaridae31982+0%1967
American RobinTurdidae32019+43%1971
American KestrelFalconidae32017+80%1979
Eared GrebePodicipedidae31986+733%1978
Blue-winged TealAnatidae22019-71%1970
Wilson's PhalaropeScolopacidae22014-39%1973
American AvocetRecurvirostridae22016+100%1990
House SparrowPasseridae22016-44%1974
Green-winged TealAnatidae22017-20%1977
Greater Sage-GrousePhasianidae22012-30%2002

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