BirdAnalyst
BBS Route · Michigan · BCR 23

Tyre Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 16 survey years, still active.

97Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–1996Span
5Observers

Bird Species Found on Michigan Tyre

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Tyre 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 BlackbirdIcteridae1181996-33%1971
Horned LarkAlaudidae591996+137%1971
American RobinTurdidae541996+18%1971
Savannah SparrowPasserellidae501996-22%1971
Song SparrowPasserellidae361996-21%1971
Rock PigeonColumbidae351996+229%1971
European StarlingSturnidae351996-78%1971
Ring-necked PheasantPhasianidae331996+471%1971
American GoldfinchFringillidae311996+50%1971
American CrowCorvidae281996+65%1971
House SparrowPasseridae231996-56%1971
Mourning DoveColumbidae201996-49%1971
KilldeerCharadriidae181996+42%1971
Yellow WarblerParulidae181996+8%1978
Barn SwallowHirundinidae161996+15%1971
Common GrackleIcteridae151996-89%1971
Bank SwallowHirundinidae151996-17%1968
BobolinkIcteridae101996-74%1971
Chipping SparrowPasserellidae101996+325%1971
Brown-headed CowbirdIcteridae91996-54%1971
Common YellowthroatParulidae91996+36%1971
Gray CatbirdMimidae91996+16%1971
Northern House WrenTroglodytidae91996+38%1971
Warbling VireoVireonidae71996+70%1971
Willow FlycatcherTyrannidae61996-30%1971
Eastern MeadowlarkIcteridae51996-84%1971
Vesper SparrowPasserellidae41996-84%1971
Wood ThrushTurdidae41996+50%1971
Great Crested FlycatcherTyrannidae41996+71%1981
Least FlycatcherTyrannidae41996+50%1978
Great Blue HeronArdeidae41995+60%1981
Cedar WaxwingBombycillidae41996-38%1981
House FinchFringillidae41996+90%1993
Eastern KingbirdTyrannidae31996-76%1971
Eastern Wood-PeweeTyrannidae31996+25%1971
Grasshopper SparrowPasserellidae31996+0%1971
Field SparrowPasserellidae31996+180%1978
Rose-breasted GrosbeakCardinalidae31996+17%1971
Purple MartinHirundinidae31992+13%1971
Black-billed CuckooCuculidae31996+86%1978

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