BirdAnalyst
BBS Route · Michigan · BCR 23

Ola Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 39 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 →
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 →
1974–2025Span
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
Red-winged BlackbirdIcteridae1062025+88%1976
European StarlingSturnidae1022025+2%1976
American RobinTurdidae692025+67%1976
House SparrowPasseridae552025-39%1976
Canada GooseAnatidae532025+11%2008
Song SparrowPasserellidae372025-21%1976
Horned LarkAlaudidae352025-37%1976
Mourning DoveColumbidae322025+7%1976
American CrowCorvidae272025-12%1976
Chipping SparrowPasserellidae262025+429%1977
Barn SwallowHirundinidae242025+103%1976
KilldeerCharadriidae192025+22%1976
Common GrackleIcteridae152025-59%1976
Cedar WaxwingBombycillidae142025+92%1980
House FinchFringillidae122025+433%1994
Brown-headed CowbirdIcteridae102025-24%1976
Warbling VireoVireonidae92025+50%1976
Northern House WrenTroglodytidae92025+386%1976
Baltimore OrioleIcteridae82025+43%1976
Great Crested FlycatcherTyrannidae72025+8%1976
BobolinkIcteridae72025-63%1976
Common YellowthroatParulidae72025+400%1976
Yellow WarblerParulidae72025+400%1980
Rock PigeonColumbidae62025-9%1976
Northern CardinalCardinalidae62025+0%1976
Eastern Wood-PeweeTyrannidae62025+250%1985
Blue JayCorvidae52025+69%1978
Indigo BuntingCardinalidae52025+80%1977
Eastern KingbirdTyrannidae42025+160%1976
Savannah SparrowPasserellidae42025-93%1976
Purple MartinHirundinidae41992-74%1976
Northern BobwhiteOdontophoridae31995-88%1976
American GoldfinchFringillidae32025-71%1976
Rose-breasted GrosbeakCardinalidae32025+100%1976
Turkey VultureCathartidae32025+433%1984
MallardAnatidae22025+29%1978
Ring-necked PheasantPhasianidae22025-92%1976
Yellow-billed CuckooCuculidae22008+0%1978
Chimney SwiftApodidae22025+0%1976
OvenbirdParulidae22025+75%1978

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.