BirdAnalyst
BBS Route · Michigan · BCR 23

Hartland Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 92 species recorded across 11 survey years, no longer active.

92Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2011Span
4Observers

Bird Species Found on Michigan Hartland

Top 40 of 92 species by most recent count. Each links to its species trend.

Species recorded on the Hartland 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 RobinTurdidae472011-27%1994
European StarlingSturnidae462011-30%1994
Red-winged BlackbirdIcteridae342011-51%1994
Brown-headed CowbirdIcteridae302011+90%1994
American GoldfinchFringillidae302011+79%1994
Northern CardinalCardinalidae292011+25%1994
House SparrowPasseridae262011-39%1994
Common GrackleIcteridae222011-23%1994
Chipping SparrowPasserellidae192011-35%1994
Song SparrowPasserellidae172011-33%1994
Black-capped ChickadeeParidae162011+17%1994
Gray CatbirdMimidae152011+19%1994
Mourning DoveColumbidae142011-2%1994
American CrowCorvidae142011+26%1994
Blue JayCorvidae132011-6%1994
Cedar WaxwingBombycillidae132011-5%1994
Baltimore OrioleIcteridae122011-15%1994
Downy WoodpeckerPicidae112009+186%1994
Barn SwallowHirundinidae82011+31%1994
Purple MartinHirundinidae62001-18%1994
Common YellowthroatParulidae62011+4%1994
Tufted TitmouseParidae62011+50%1994
Eastern KingbirdTyrannidae52011-27%1994
Indigo BuntingCardinalidae52011-29%1994
Yellow WarblerParulidae52011-71%1994
Northern House WrenTroglodytidae52011-40%1994
White-breasted NuthatchSittidae52011+131%1994
Great Crested FlycatcherTyrannidae42011+17%1994
Eastern Wood-PeweeTyrannidae42011-23%1994
House FinchFringillidae42011-42%1994
Rose-breasted GrosbeakCardinalidae42011+10%1995
Red-eyed VireoVireonidae42011+10%1994
Cliff SwallowHirundinidae41994+33%1993
Sandhill CraneGruidae42011n/an/a
MallardAnatidae32011-35%1994
Ring-necked PheasantPhasianidae31998-39%1994
Northern Rough-winged SwallowHirundinidae32009+33%1994
Warbling VireoVireonidae32011-20%1994
Red-tailed HawkAccipitridae31996+150%1994
Mute SwanAnatidae22011-89%1998

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