BirdAnalyst
BBS Route · South Dakota · BCR 17

Ft Thompson Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 29 survey years, still active.

100Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2011Span
4Observers

Bird Species Found on South Dakota Ft Thompson

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Ft Thompson 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
Brown-headed CowbirdIcteridae1942011+653%1969
Western MeadowlarkIcteridae1392011-32%1969
Common GrackleIcteridae1202011+189%1969
Cliff SwallowHirundinidae106201126×1973
DickcisselCardinalidae812011+8%1969
Red-winged BlackbirdIcteridae692011+26%1969
Mourning DoveColumbidae512011+113%1969
Grasshopper SparrowPasserellidae322011-74%1969
Canada GooseAnatidae272011+95%1997
Upland SandpiperScolopacidae262011-31%1969
Ring-necked PheasantPhasianidae262011+60%1969
KilldeerCharadriidae242011-13%1969
Barn SwallowHirundinidae242011+250%1969
Greater Prairie-ChickenPhasianidae171997n/an/a
Yellow-headed BlackbirdIcteridae162011+63%1972
American GoldfinchFringillidae162011+133%1971
Brewer's BlackbirdIcteridae162004-33%1999
Turkey VultureCathartidae151993+275%1990
House SparrowPasseridae132011+172%1969
Rock PigeonColumbidae112011+111%1973
Northern House WrenTroglodytidae102011+86%1976
Eastern KingbirdTyrannidae92011+153%1969
Western KingbirdTyrannidae92011+150%1969
American RobinTurdidae92011+167%1969
Lark BuntingPasserellidae82007-97%1969
BobolinkIcteridae72004+71%1972
Field SparrowPasserellidae72011+233%1994
Tree SwallowHirundinidae72007-17%1979
European StarlingSturnidae72011-55%1998
Horned LarkAlaudidae62011-83%1969
Orchard OrioleIcteridae62011+50%1969
Chestnut-collared LongspurCalcariidae62011-85%1969
Brown ThrasherMimidae62011-31%1969
Common YellowthroatParulidae62011+100%1970
Wilson's PhalaropeScolopacidae51968n/an/a
Double-crested CormorantPhalacrocoracidae52011+17%1971
Common NighthawkCaprimulgidae42011+20%1973
Marsh WrenTroglodytidae42002+100%2000
American White PelicanPelecanidae32007-11%1992
Burrowing OwlStrigidae32007+267%1972

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