BirdAnalyst
BBS Route · Michigan · BCR 23

Holt Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 38 survey years, still active.

103Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2025Span
3Observers

Bird Species Found on Michigan Holt

Top 40 of 103 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
Red-winged BlackbirdIcteridae1622025-24%1971
European StarlingSturnidae1022025+2%1971
American RobinTurdidae872025+64%1971
House SparrowPasseridae582025-70%1971
Common GrackleIcteridae492025-60%1971
Mourning DoveColumbidae402025+96%1971
Northern CardinalCardinalidae362025+113%1971
Song SparrowPasserellidae352025-59%1971
Barn SwallowHirundinidae322025+197%1971
Chipping SparrowPasserellidae312025+122%1971
Rock PigeonColumbidae242025+321%1971
American GoldfinchFringillidae242025-11%1971
KilldeerCharadriidae222025+59%1971
American CrowCorvidae202025-8%1971
Common YellowthroatParulidae202025+54%1971
Yellow WarblerParulidae192025-23%1971
House FinchFringillidae182025-25%1994
Tree SwallowHirundinidae162025+867%1980
Turkey VultureCathartidae152025+460%1992
Purple MartinHirundinidae142025+167%1992
Cedar WaxwingBombycillidae112025-8%1972
Chimney SwiftApodidae92025+133%1971
Black-capped ChickadeeParidae92025+183%1973
Henslow's SparrowPasserellidae91972+800%1971
Eastern Wood-PeweeTyrannidae82025+300%1971
Horned LarkAlaudidae82024-43%1971
Northern House WrenTroglodytidae82025+140%1971
Cliff SwallowHirundinidae82025+300%1994
Blue JayCorvidae72025+156%1972
Tufted TitmouseParidae72025+200%1972
Pied-billed GrebePodicipedidae71981+600%1973
Indigo BuntingCardinalidae62025+163%1971
Warbling VireoVireonidae62025-46%1971
Wild TurkeyPhasianidae62025+400%2002
Brown-headed CowbirdIcteridae52025-53%1971
White-breasted NuthatchSittidae52025+300%1973
Eastern KingbirdTyrannidae42025-33%1971
Eastern PhoebeTyrannidae42025+100%1978
Carolina WrenTroglodytidae42025+300%2005
Green HeronArdeidae32008-55%1973

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.