BirdAnalyst
BBS Route · South Dakota · BCR 11

Volga Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 117 species recorded across 57 survey years, still active.

117Species 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 →
57Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
3Observers

Bird Species Found on South Dakota Volga

Top 40 of 117 species by most recent count. Each links to its species trend.

Species recorded on the Volga 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 BlackbirdIcteridae1132024-20%1969
Cliff SwallowHirundinidae702024+923%1985
Barn SwallowHirundinidae622024+114%1969
American RobinTurdidae602024+244%1969
Canada GooseAnatidae532023+500%1989
Ring-necked PheasantPhasianidae512024+117%1969
Mourning DoveColumbidae502024+49%1969
KilldeerCharadriidae462024+213%1969
MallardAnatidae442024+478%1969
Common GrackleIcteridae422024-30%1969
House SparrowPasseridae402024-24%1969
Western MeadowlarkIcteridae352024-61%1969
DickcisselCardinalidae312024+17%1969
Brown-headed CowbirdIcteridae292024+76%1969
Common YellowthroatParulidae202024-5%1969
BobolinkIcteridae182024+67%1969
Northern House WrenTroglodytidae15202411×1969
Yellow-headed BlackbirdIcteridae142024+9%1969
American GoldfinchFringillidae142024+32%1969
Song SparrowPasserellidae122024+200%1969
Great EgretArdeidae122017+143%2003
Eastern KingbirdTyrannidae102024-30%1969
Tree SwallowHirundinidae102024+178%1972
Black TernLaridae92019-53%1970
Warbling VireoVireonidae92024+450%1970
Chipping SparrowPasserellidae92024+340%1976
Blue-winged TealAnatidae82024-11%1969
Horned LarkAlaudidae72024-60%1969
Sedge WrenTroglodytidae72019+425%1972
Upland SandpiperScolopacidae62024+450%1969
Red-headed WoodpeckerPicidae62024-54%1969
Ring-billed GullLaridae62021+100%1989
Wilson's SnipeScolopacidae62019+100%2009
Eurasian Collared-DoveColumbidae62024+240%2014
Rock PigeonColumbidae52024-57%1969
Marsh WrenTroglodytidae52024+80%1972
Blue GrosbeakCardinalidae52024+160%1989
GadwallAnatidae42024+71%1970
American CrowCorvidae42023-67%1969
Vesper SparrowPasserellidae42024-83%1969

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