BirdAnalyst
BBS Route · Michigan · BCR 23

Hamburg 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 14 survey years, still active.

93Species 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 →
14Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2004–2024Span
3Observers

Bird Species Found on Michigan Hamburg 2

Top 40 of 93 species by most recent count. Each links to its species trend.

Species recorded on the Hamburg 2 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 BlackbirdIcteridae1132024+38%2007
European StarlingSturnidae912024+17%2007
House SparrowPasseridae772024+83%2007
American RobinTurdidae582024+68%2007
Northern CardinalCardinalidae392024+79%2007
American CrowCorvidae362024-18%2007
Mourning DoveColumbidae292024-28%2007
Tree SwallowHirundinidae272024+256%2008
Bank SwallowHirundinidae272022+538%2014
Song SparrowPasserellidae242024+9%2007
Indigo BuntingCardinalidae222024+0%2007
Northern Rough-winged SwallowHirundinidae202023+209%2014
Blue JayCorvidae192024+6%2007
Turkey VultureCathartidae182024+61%2007
Chipping SparrowPasserellidae162024+13%2007
Common GrackleIcteridae152024-58%2007
Brown-headed CowbirdIcteridae142024-2%2007
House FinchFringillidae112024+21%2007
American GoldfinchFringillidae112024-55%2007
Barn SwallowHirundinidae112024-28%2007
Red-bellied WoodpeckerPicidae92024+220%2007
Canada GooseAnatidae92023-5%2014
Horned LarkAlaudidae82024+233%2007
White-breasted NuthatchSittidae82024+18%2007
Wild TurkeyPhasianidae82024+173%2016
Chimney SwiftApodidae72024+143%2008
Field SparrowPasserellidae72024-37%2007
Yellow WarblerParulidae72024-14%2007
Black-capped ChickadeeParidae72024-19%2007
Northern House WrenTroglodytidae72024+128%2014
Eastern Wood-PeweeTyrannidae62024+53%2007
Rose-breasted GrosbeakCardinalidae62023+0%2007
Eastern BluebirdTurdidae62024+6%2007
Willow FlycatcherTyrannidae62023+25%2014
Eastern MeadowlarkIcteridae52024-15%2007
Common YellowthroatParulidae52024-53%2007
Yellow-billed CuckooCuculidae52022+13%2014
Sandhill CraneGruidae42024+124%2007
KilldeerCharadriidae42024+80%2007
Rock PigeonColumbidae42024-26%2007

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