BirdAnalyst
BBS Route · Michigan · BCR 12

Marenisco Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 132 species recorded across 29 survey years, still active.

132Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1981–2019Span
8Observers

Bird Species Found on Michigan Marenisco

Top 40 of 132 species by most recent count. Each links to its species trend.

Species recorded on the Marenisco 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
Canada GooseAnatidae68201940×2013
OvenbirdParulidae502019+13%1986
American RobinTurdidae362019-9%1986
Ruffed GrousePhasianidae35201913×1995
White-throated SparrowPasserellidae352019-21%1986
Common GrackleIcteridae302019+203%1986
Red-eyed VireoVireonidae282019-27%1986
Red-winged BlackbirdIcteridae212019-35%1986
Blue JayCorvidae202019+30%1986
Song SparrowPasserellidae202019-48%1986
VeeryTurdidae192019-45%1986
Alder FlycatcherTyrannidae172019+15%1986
Hermit ThrushTurdidae172019-4%1986
Chestnut-sided WarblerParulidae152019-64%1986
Common YellowthroatParulidae152019-62%1986
American GoldfinchFringillidae142019-21%1986
Rose-breasted GrosbeakCardinalidae142019+155%1986
Black-throated Green WarblerParulidae142019+58%1986
American RedstartParulidae142019+38%1986
Northern WaterthrushParulidae112019+400%1995
Black-and-white WarblerParulidae102019-17%1986
Northern ParulaParulidae102019+50%1986
American CrowCorvidae92019-11%1986
Winter WrenTroglodytidae92019-50%1986
Black-capped ChickadeeParidae92019-5%1986
Chipping SparrowPasserellidae82019-50%1986
Nashville WarblerParulidae82019-18%1986
Blackburnian WarblerParulidae82019+15%1986
Mourning WarblerParulidae72019-69%1986
Red-breasted NuthatchSittidae72019-24%1986
Brewer's BlackbirdIcteridae71995+600%1988
Chimney SwiftApodidae62014-43%1986
Yellow WarblerParulidae62019+25%1986
Bank SwallowHirundinidae62003+175%1992
Yellow-bellied SapsuckerPicidae52019+155%1986
Swamp SparrowPasserellidae52019-43%1986
Gray CatbirdMimidae52019+0%1987
Tennessee WarblerParulidae52019-13%1996
Pileated WoodpeckerPicidae42019+80%1987
Brown CreeperCerthiidae42019+17%1989

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