BirdAnalyst
BBS Route · Michigan · BCR 23

Big Blue Lk Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 127 species recorded across 37 survey years, still active.

127Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1979–2024Span
4Observers

Bird Species Found on Michigan Big Blue Lk

Top 40 of 127 species by most recent count. Each links to its species trend.

Species recorded on the Big Blue Lk 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
American RobinTurdidae272024-54%1985
Tufted TitmouseParidae262024+212%1985
Blue JayCorvidae222024-62%1985
Red-winged BlackbirdIcteridae182024-51%1985
Northern CardinalCardinalidae172024+92%1985
Black-capped ChickadeeParidae172024-19%1985
Mourning DoveColumbidae162024+65%1985
American CrowCorvidae142024-7%1985
Northern House WrenTroglodytidae142024+84%1986
Red-eyed VireoVireonidae132024+16%1985
Cedar WaxwingBombycillidae122024-53%1985
Chipping SparrowPasserellidae112024-10%1985
Eastern Wood-PeweeTyrannidae92024-12%1985
American GoldfinchFringillidae92024+11%1985
OvenbirdParulidae92024+171%1985
Indigo BuntingCardinalidae82024+73%1985
Barn SwallowHirundinidae82024+15%1985
Brown-headed CowbirdIcteridae72024-13%1986
European StarlingSturnidae62024-70%1985
White-breasted NuthatchSittidae62024-24%1985
Bank SwallowHirundinidae61993-44%1989
House FinchFringillidae62024-18%1993
Great Crested FlycatcherTyrannidae52024-15%1985
Common GrackleIcteridae52024-75%1985
Rose-breasted GrosbeakCardinalidae52023-28%1985
MallardAnatidae52024+80%1987
Grasshopper SparrowPasserellidae51992+400%1989
Black TernLaridae51990n/an/a
Wild TurkeyPhasianidae52024-18%2014
Scarlet TanagerCardinalidae42024-19%1985
Tree SwallowHirundinidae42021-70%1985
House SparrowPasseridae42024-69%1985
Gray CatbirdMimidae42024-15%1985
Ring-billed GullLaridae42024+218%1987
Blue-headed VireoVireonidae41992n/an/a
Pine WarblerParulidae42024+225%2016
Downy WoodpeckerPicidae32024+38%1986
Baltimore OrioleIcteridae32024-59%1985
Song SparrowPasserellidae32024-9%1985
Eastern TowheePasserellidae32024-11%1985

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