BirdAnalyst
BBS Route · Michigan · BCR 12

Brocky Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 126 species recorded across 22 survey years, still active.

126Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1980–2024Span
6Observers

Bird Species Found on Michigan Brocky Lake

Top 40 of 126 species by most recent count. Each links to its species trend.

Species recorded on the Brocky Lake 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
Nashville WarblerParulidae702024+101%1983
Red-eyed VireoVireonidae652024+39%1983
Common GrackleIcteridae532024+458%1983
White-throated SparrowPasserellidae532024+10%1983
OvenbirdParulidae522024+15%1983
Chestnut-sided WarblerParulidae282024+1%1983
Hermit ThrushTurdidae272024+112%1983
Red-winged BlackbirdIcteridae242024-19%1983
Black-capped ChickadeeParidae222024+10%1983
Common YellowthroatParulidae202024+70%1983
American RobinTurdidae202024-49%1983
Blue JayCorvidae192024+71%1983
Red CrossbillFringillidae182007n/an/a
Chipping SparrowPasserellidae162024-22%1983
Indigo BuntingCardinalidae142024+130%1983
Yellow-bellied SapsuckerPicidae132024+600%1983
VeeryTurdidae132024-51%1983
Alder FlycatcherTyrannidae122024+28%1983
Song SparrowPasserellidae122024-8%1983
Purple MartinHirundinidae121980n/an/a
Cedar WaxwingBombycillidae102024-41%1983
American RedstartParulidae92024+22%1983
Winter WrenTroglodytidae92024+107%1983
American CrowCorvidae82024-23%1983
Wood ThrushTurdidae81995n/an/a
Least FlycatcherTyrannidae72024-35%1983
Swamp SparrowPasserellidae72024+86%1983
Red-breasted NuthatchSittidae72024+375%1983
Brewer's BlackbirdIcteridae71987-22%1983
White-winged CrossbillFringillidae72015-13%2007
Black-and-white WarblerParulidae62024+50%1983
Common RavenCorvidae52024-35%1983
Rose-breasted GrosbeakCardinalidae52024-45%1983
Pine WarblerParulidae52024+22%2008
Pileated WoodpeckerPicidae52024+267%2004
Northern House WrenTroglodytidae52024+38%2004
Mourning DoveColumbidae52024-27%2007
MallardAnatidae52017+200%2014
Yellow WarblerParulidae42024+14%1987
Yellow-bellied FlycatcherTyrannidae42023+20%2007

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