BirdAnalyst
BBS Route · Michigan · BCR 23

Holt Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 37 survey years, still active.

102Species 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 →
1969–2024Span
3Observers

Bird Species Found on Michigan Holt

Top 40 of 102 species by most recent count. Each links to its species trend.

Species recorded on the Holt 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
European StarlingSturnidae2182024+1%1971
Red-winged BlackbirdIcteridae1502024-15%1971
American RobinTurdidae1162024+65%1971
House SparrowPasseridae842024-60%1971
Mourning DoveColumbidae602024+185%1971
Chipping SparrowPasserellidae482024+164%1971
Song SparrowPasserellidae442024-52%1971
Barn SwallowHirundinidae422024+188%1971
Common GrackleIcteridae372024-56%1971
Rock PigeonColumbidae332024+179%1971
Northern CardinalCardinalidae332024+87%1971
American CrowCorvidae222024-6%1971
KilldeerCharadriidae192024+21%1971
House FinchFringillidae192024+1%1994
Purple MartinHirundinidae162024+67%1992
Wild TurkeyPhasianidae162024+500%2002
Baltimore OrioleIcteridae142008+74%1971
Canada GooseAnatidae142024+256%1985
American GoldfinchFringillidae122024-26%1971
Common YellowthroatParulidae122024+32%1971
Indigo BuntingCardinalidae112024+200%1971
Northern House WrenTroglodytidae112024+187%1971
Eastern BluebirdTurdidae112024+467%1972
Turkey VultureCathartidae112024+240%1992
Eastern Wood-PeweeTyrannidae102024+180%1971
Cedar WaxwingBombycillidae92024-8%1972
Warbling VireoVireonidae92024-29%1971
Gray CatbirdMimidae92024-12%1971
Henslow's SparrowPasserellidae91972+800%1971
Horned LarkAlaudidae82024-43%1971
Brown-headed CowbirdIcteridae82024-12%1971
Red-bellied WoodpeckerPicidae82024+157%1979
Chimney SwiftApodidae72024+67%1971
Blue JayCorvidae72024+133%1972
Pied-billed GrebePodicipedidae71981+600%1973
Sandhill CraneGruidae72024+100%2005
Black-capped ChickadeeParidae62024+83%1973
Hairy WoodpeckerPicidae52024+60%1972
Rose-breasted GrosbeakCardinalidae52024+86%1973
Tree SwallowHirundinidae52024+500%1980

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