BirdAnalyst
BBS Route · Michigan · BCR 23

No Bradley Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 116 species recorded across 31 survey years, still active.

116Species 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 →
31Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2025Span
5Observers

Bird Species Found on Michigan No Bradley

Top 40 of 116 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 RobinTurdidae672025+45%1974
European StarlingSturnidae502025-55%1974
American CrowCorvidae452025+30%1974
Red-winged BlackbirdIcteridae442025-21%1974
Song SparrowPasserellidae302025-32%1974
Mourning DoveColumbidae282025-12%1974
House SparrowPasseridae252025+24%1974
Chipping SparrowPasserellidae212025+87%1974
Brown-headed CowbirdIcteridae182025-53%1974
Black-capped ChickadeeParidae182025+389%1975
Northern CardinalCardinalidae17202518×1974
Canada GooseAnatidae172025-79%2019
Great Crested FlycatcherTyrannidae142025+20%1974
American GoldfinchFringillidae122025-30%1974
House FinchFringillidae122025+17%1991
Warbling VireoVireonidae112025-11%1974
Common YellowthroatParulidae92025-34%1974
VeeryTurdidae82025+13%1974
Tufted TitmouseParidae82025+186%2012
KilldeerCharadriidae72025-37%1974
Indigo BuntingCardinalidae72025-3%1974
Yellow WarblerParulidae72025-52%1974
Eastern Wood-PeweeTyrannidae72025+133%1976
Baltimore OrioleIcteridae62025-38%1974
Rose-breasted GrosbeakCardinalidae62025+86%1974
Barn SwallowHirundinidae62025-62%1974
Red-eyed VireoVireonidae62025+21%1974
Gray CatbirdMimidae62025+43%1974
Wood ThrushTurdidae62025+325%1974
Yellow-bellied SapsuckerPicidae62025+233%2012
Rock PigeonColumbidae52025+0%1974
OvenbirdParulidae52025+67%1975
American RedstartParulidae52025+175%1974
Northern House WrenTroglodytidae52025-3%1974
Downy WoodpeckerPicidae52025+300%1990
Sandhill CraneGruidae42025-21%2014
Blue JayCorvidae42025+131%1974
BobolinkIcteridae42025-80%1974
Tree SwallowHirundinidae42024-33%1974
White-breasted NuthatchSittidae42025-40%1977

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