BirdAnalyst
BBS Route · Michigan · BCR 12

Riggsville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 134 species recorded across 30 survey years, still active.

134Species 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 →
30Years 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
6Observers

Bird Species Found on Michigan Riggsville

Top 40 of 134 species by most recent count. Each links to its species trend.

Species recorded on the Riggsville 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-eyed VireoVireonidae442019+71%1969
European StarlingSturnidae382019-74%1969
Song SparrowPasserellidae362019-52%1969
Indigo BuntingCardinalidae332019+23%1969
American RobinTurdidae332019-20%1969
Chipping SparrowPasserellidae272019+4%1969
Red-winged BlackbirdIcteridae222019-50%1969
Cedar WaxwingBombycillidae202019+149%1969
Common GrackleIcteridae192019+186%1972
Canada GooseAnatidae19201819×2017
Mourning DoveColumbidae182019+111%1969
American GoldfinchFringillidae182019-53%1969
OvenbirdParulidae182019+38%1969
Rose-breasted GrosbeakCardinalidae162019+370%1971
Ring-billed GullLaridae152019+557%1973
Common RavenCorvidae15201911×1977
Common YellowthroatParulidae142019+57%1969
American RedstartParulidae142019+167%1969
Black-capped ChickadeeParidae122019+225%1971
Blue JayCorvidae112019+37%1969
Eastern KingbirdTyrannidae102019-70%1969
Tree SwallowHirundinidae102019+12%1969
Brown ThrasherMimidae102019+186%1969
Vesper SparrowPasserellidae92019+111%1969
Northern House WrenTroglodytidae92019+350%1971
Yellow-bellied SapsuckerPicidae92019+280%1974
Sandhill CraneGruidae92019+260%1993
American CrowCorvidae82019-6%1969
BobolinkIcteridae82019-35%1969
Eastern BluebirdTurdidae82019+140%1971
Savannah SparrowPasserellidae72019-61%1969
White-throated SparrowPasserellidae72019-10%1969
Black-and-white WarblerParulidae72019+433%1974
Nashville WarblerParulidae72019+271%1973
Brown-headed CowbirdIcteridae62018-71%1969
Purple FinchFringillidae62019+140%1971
Yellow WarblerParulidae62019+117%1971
White-breasted NuthatchSittidae62019-47%1979
Red-breasted NuthatchSittidae62019+175%1985
Eastern Wood-PeweeTyrannidae52019-44%1969

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