BirdAnalyst
BBS Route · Michigan · BCR 12

Isabella 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 10 survey years, still active.

93Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2013–2024Span
2Observers

Bird Species Found on Michigan Isabella 2

Top 40 of 93 species by most recent count. Each links to its species trend.

Species recorded on the Isabella 2 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-eyed VireoVireonidae592024+33%2015
OvenbirdParulidae552024+130%2015
American RobinTurdidae182024+0%2015
Ring-billed GullLaridae172023+64%2019
American RedstartParulidae162024+130%2015
Indigo BuntingCardinalidae122024+50%2015
Nashville WarblerParulidae122024+292%2015
Black-throated Green WarblerParulidae122024+57%2015
Chestnut-sided WarblerParulidae122024+50%2019
Hermit ThrushTurdidae112024+255%2015
Least FlycatcherTyrannidae102024+214%2015
Chipping SparrowPasserellidae102024-49%2015
Turkey VultureCathartidae82021+167%2014
American CrowCorvidae72024-45%2015
Common RavenCorvidae62023+67%2017
Rose-breasted GrosbeakCardinalidae62024+50%2017
Eastern Wood-PeweeTyrannidae52024+33%2015
Tennessee WarblerParulidae52014n/an/a
Common GrackleIcteridae52023n/an/a
Black-capped ChickadeeParidae42024+25%2015
Brown-headed CowbirdIcteridae42024+300%2014
European StarlingSturnidae42024+20%2017
Mourning WarblerParulidae42024+10%2018
BobolinkIcteridae32018+200%2013
Red-breasted NuthatchSittidae32024-22%2017
Wood ThrushTurdidae32024-82%2018
Sandhill CraneGruidae32023+50%2018
Eastern PhoebeTyrannidae32017+50%2015
Winter WrenTroglodytidae32023+200%2015
Pine WarblerParulidae32024-22%2019
Tree SwallowHirundinidae32021+200%2019
VeeryTurdidae32024+50%2019
Eastern KingbirdTyrannidae32024+200%2022
American GoldfinchFringillidae22024-64%2015
Savannah SparrowPasserellidae22024-25%2017
Scarlet TanagerCardinalidae22024+33%2019
Cedar WaxwingBombycillidae22024-33%2015
Canada GooseAnatidae22023-60%2017
Wild TurkeyPhasianidae22024-67%2022
Hairy WoodpeckerPicidae22024+0%2018

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