BirdAnalyst
BBS Route · Michigan · BCR 23

Fowlerville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 104 species recorded across 39 survey years, still active.

104Species 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 →
39Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1974–2019Span
4Observers

Bird Species Found on Michigan Fowlerville

Top 40 of 104 species by most recent count. Each links to its species trend.

Species recorded on the Fowlerville 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 BlackbirdIcteridae1062019-58%1976
American RobinTurdidae812019+27%1976
European StarlingSturnidae712019-56%1976
Chipping SparrowPasserellidae512019+300%1976
Mourning DoveColumbidae382019+16%1976
Northern CardinalCardinalidae362019-20%1976
Common GrackleIcteridae352019-78%1976
Horned LarkAlaudidae262019-51%1976
Song SparrowPasserellidae262019-70%1976
House SparrowPasseridae262019-86%1976
American CrowCorvidae212019-61%1976
Indigo BuntingCardinalidae212019-23%1976
KilldeerCharadriidae142019-34%1976
American GoldfinchFringillidae142019-66%1976
Common YellowthroatParulidae132019-40%1976
Red-bellied WoodpeckerPicidae122019+175%1976
Brown-headed CowbirdIcteridae102019+8%1976
Cedar WaxwingBombycillidae102019+164%1977
Northern House WrenTroglodytidae102019-31%1976
Field SparrowPasserellidae92019-60%1976
Barn SwallowHirundinidae82019+35%1976
Yellow WarblerParulidae82019-42%1976
Grasshopper SparrowPasserellidae82000+150%1980
Blue JayCorvidae72019-13%1976
Rock PigeonColumbidae62018-81%1976
Canada GooseAnatidae62018+175%1986
House FinchFringillidae62019-67%1995
Scarlet TanagerCardinalidae52008+150%1976
Tufted TitmouseParidae52019-39%1976
Northern Rough-winged SwallowHirundinidae52005+150%1980
Eastern Wood-PeweeTyrannidae42019+8%1976
Gray CatbirdMimidae42019-59%1976
Black-capped ChickadeeParidae42019-23%1976
Eastern BluebirdTurdidae42019+33%1986
Hairy WoodpeckerPicidae42017+167%1982
Eastern PhoebeTyrannidae42019+133%1983
Eastern KingbirdTyrannidae32019-33%1976
Great Crested FlycatcherTyrannidae32019-40%1976
Purple MartinHirundinidae31990-29%1978
Bank SwallowHirundinidae32015-31%1978

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