BirdAnalyst
BBS Route · Michigan · BCR 23

Bell Oak Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 36 survey years, no longer active.

94Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2014Span
5Observers

Bird Species Found on Michigan Bell Oak

Top 40 of 94 species by most recent count. Each links to its species trend.

Species recorded on the Bell Oak 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 BlackbirdIcteridae2802014-10%1968
European StarlingSturnidae852014-16%1968
House SparrowPasseridae632014-45%1968
American RobinTurdidae512014+161%1968
Mourning DoveColumbidae352014+52%1968
Brown-headed CowbirdIcteridae292008+58%1968
Chipping SparrowPasserellidae252014+747%1968
Barn SwallowHirundinidae242014+207%1968
Rock PigeonColumbidae142008+57%1968
American CrowCorvidae142014-6%1968
Horned LarkAlaudidae132008+21%1968
KilldeerCharadriidae82014+33%1968
Song SparrowPasserellidae72014-7%1968
Warbling VireoVireonidae72008+39%1968
American GoldfinchFringillidae62014-40%1968
Northern CardinalCardinalidae62014-9%1968
Common YellowthroatParulidae62014+0%1968
Cedar WaxwingBombycillidae62014+127%1977
Common GrackleIcteridae52014+29%1968
Cliff SwallowHirundinidae51995+150%1969
Wild TurkeyPhasianidae52014+100%2002
Chimney SwiftApodidae42008+140%1969
Great Crested FlycatcherTyrannidae42008+67%1968
Indigo BuntingCardinalidae42014+75%1968
Northern House WrenTroglodytidae42014+142%1968
House FinchFringillidae42014-23%1995
Northern BobwhiteOdontophoridae32008-91%1968
Savannah SparrowPasserellidae32008-93%1968
Brown ThrasherMimidae32005-17%1969
Turkey VultureCathartidae32014+58%1969
Yellow-billed CuckooCuculidae32007+0%1970
Downy WoodpeckerPicidae32008+14%1973
Rose-breasted GrosbeakCardinalidae32014+17%1972
Northern Rough-winged SwallowHirundinidae32005-27%1992
Bank SwallowHirundinidae32007+250%1999
Ruby-throated HummingbirdTrochilidae32008+100%1998
Carolina WrenTroglodytidae32005+200%2002
Common NighthawkCaprimulgidae32004n/an/a
Ring-necked PheasantPhasianidae22008-91%1968
Eastern KingbirdTyrannidae22008-46%1968

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