BirdAnalyst
BBS Route · South Dakota · BCR 17

Reva Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 124 species recorded across 33 survey years, still active.

124Species 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 →
33Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1979–2024Span
4Observers

Bird Species Found on South Dakota Reva

Top 40 of 124 species by most recent count. Each links to its species trend.

Species recorded on the Reva 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 MeadowlarkIcteridae3492024+8%1987
Lark BuntingPasserellidae1282024-27%1987
Red-winged BlackbirdIcteridae772024+171%1987
Grasshopper SparrowPasserellidae632024-15%1987
Brown-headed CowbirdIcteridae552024+561%1989
Cliff SwallowHirundinidae532024+93%1987
Chestnut-collared LongspurCalcariidae402024+1%1987
Mourning DoveColumbidae242024+52%1987
Brewer's BlackbirdIcteridae242024+23%1987
Sharp-tailed GrousePhasianidae202024+700%2001
Horned LarkAlaudidae112024-68%1988
Blue-winged TealAnatidae102019+8%1992
KilldeerCharadriidae102024-8%1987
Violet-green SwallowHirundinidae102024+71%1993
American RobinTurdidae92024+100%1987
Ring-necked PheasantPhasianidae92024+350%1989
Common GrackleIcteridae92024+410%1988
Loggerhead ShrikeLaniidae82024+533%1987
MallardAnatidae72024+50%1987
Northern Rough-winged SwallowHirundinidae62022+100%1990
Northern ShovelerAnatidae62019+125%2009
Eastern KingbirdTyrannidae52024+138%1987
Western KingbirdTyrannidae52024+10%1988
Brown ThrasherMimidae52024+86%1987
Wilson's PhalaropeScolopacidae52024+44%1991
Northern HarrierAccipitridae42024+11%1991
American CrowCorvidae42024+25%1991
Yellow-breasted ChatIcteriidae42024-9%1987
Red-tailed HawkAccipitridae42024+200%1988
House SparrowPasseridae42023-80%1988
Say's PhoebeTyrannidae42023+22%1992
Bank SwallowHirundinidae42000-33%1992
Ferruginous HawkAccipitridae42024+33%1999
Canada GooseAnatidae42024-42%2009
Rock PigeonColumbidae42016+300%2000
Common NighthawkCaprimulgidae32023-42%1991
White-throated SwiftApodidae32023-63%1989
Black-billed MagpieCorvidae32024-50%1995
Lark SparrowPasserellidae32024-80%1987
Eurasian Collared-DoveColumbidae32024+50%2018

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