BirdAnalyst
BBS Route · Michigan · BCR 23

Ola Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 38 survey years, still active.

110Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1974–2024Span
7Observers

Bird Species Found on Michigan Ola

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the Ola 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
European StarlingSturnidae972024-16%1976
Red-winged BlackbirdIcteridae972024+76%1976
House SparrowPasseridae852024-37%1976
American RobinTurdidae782024+68%1976
Horned LarkAlaudidae472024-33%1976
Mourning DoveColumbidae332024+26%1976
Common GrackleIcteridae302024-49%1976
Song SparrowPasserellidae282024-14%1976
Rock PigeonColumbidae272024-6%1976
KilldeerCharadriidae222024+27%1976
Brown-headed CowbirdIcteridae222024-24%1976
Barn SwallowHirundinidae222024+103%1976
Chipping SparrowPasserellidae212024+479%1977
Blue JayCorvidae142024+92%1978
American CrowCorvidae142024-12%1976
BobolinkIcteridae122024-55%1976
Turkey VultureCathartidae112024+367%1984
Canada GooseAnatidae112024-62%2008
Northern House WrenTroglodytidae102024+329%1976
American GoldfinchFringillidae92024-65%1976
Northern CardinalCardinalidae82024+0%1976
Yellow WarblerParulidae82024+450%1980
Cedar WaxwingBombycillidae72024+8%1980
Savannah SparrowPasserellidae62024-89%1976
Gray CatbirdMimidae62024+71%1977
Baltimore OrioleIcteridae52024+14%1976
Vesper SparrowPasserellidae52024-92%1976
Brown ThrasherMimidae52024-37%1976
House FinchFringillidae52024+367%1994
Great Crested FlycatcherTyrannidae42024+0%1976
Rose-breasted GrosbeakCardinalidae42024+50%1976
Purple MartinHirundinidae41992-74%1976
Warbling VireoVireonidae42024+30%1976
Eastern Wood-PeweeTyrannidae42024+125%1985
MallardAnatidae32024+14%1978
Northern BobwhiteOdontophoridae31995-88%1976
Ring-necked PheasantPhasianidae32024-88%1976
Eastern KingbirdTyrannidae32024+120%1976
Common YellowthroatParulidae32024+333%1976
Tufted TitmouseParidae32024+125%1985

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