BirdAnalyst
BBS Route · Michigan · BCR 23

No Bradley Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 30 survey years, still active.

115Species 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2024Span
5Observers

Bird Species Found on Michigan No Bradley

Top 40 of 115 species by most recent count. Each links to its species trend.

Species recorded on the No Bradley 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 CrowCorvidae772024+37%1974
Red-winged BlackbirdIcteridae722024-18%1974
American RobinTurdidae652024+31%1974
Song SparrowPasserellidae482024-32%1974
European StarlingSturnidae382024-57%1974
House SparrowPasseridae382024+36%1974
Mourning DoveColumbidae302024+5%1974
Cedar WaxwingBombycillidae252024+157%1974
American GoldfinchFringillidae202024-16%1974
Northern CardinalCardinalidae18202423×1974
Chipping SparrowPasserellidae172024+107%1974
Blue JayCorvidae162024+200%1974
Common GrackleIcteridae152024-82%1974
Brown-headed CowbirdIcteridae132024-65%1974
Gray CatbirdMimidae132024+57%1974
Downy WoodpeckerPicidae132024+333%1990
Barn SwallowHirundinidae122023-59%1974
Wild TurkeyPhasianidae122024+567%1991
Black-capped ChickadeeParidae112024+422%1975
House FinchFringillidae112024+3%1991
Eastern KingbirdTyrannidae102024+27%1974
Great Crested FlycatcherTyrannidae102024+37%1974
Indigo BuntingCardinalidae102024+10%1974
VeeryTurdidae102024+8%1974
Rock PigeonColumbidae92024-15%1974
Rose-breasted GrosbeakCardinalidae92024+71%1974
Yellow WarblerParulidae92024-51%1974
Common YellowthroatParulidae82024-32%1974
American RedstartParulidae72024+238%1974
Northern House WrenTroglodytidae72024+48%1974
Red-bellied WoodpeckerPicidae72024+933%1996
KilldeerCharadriidae62024-41%1974
Eastern TowheePasserellidae62024+36%1974
Warbling VireoVireonidae62024-14%1974
Horned LarkAlaudidae52024-63%1974
Baltimore OrioleIcteridae52024-31%1974
Red-eyed VireoVireonidae52024+26%1974
Eastern Wood-PeweeTyrannidae52024+222%1976
Tree SwallowHirundinidae42024-33%1974
White-breasted NuthatchSittidae42024-40%1977

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