BirdAnalyst
BBS Route · Michigan · BCR 12

Brocky Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 127 species recorded across 23 survey years, still active.

127Species 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 →
23Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1980–2025Span
6Observers

Bird Species Found on Michigan Brocky Lake

Top 40 of 127 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 WarblerParulidae682025+107%1983
Red-eyed VireoVireonidae572025+65%1983
OvenbirdParulidae512025+37%1983
White-throated SparrowPasserellidae422025+16%1983
Blue JayCorvidae332025+123%1983
American RobinTurdidae312025-43%1983
Red-winged BlackbirdIcteridae252025-9%1983
Common YellowthroatParulidae252025+113%1983
Hermit ThrushTurdidae252025+180%1983
Chestnut-sided WarblerParulidae212025+4%1983
Red CrossbillFringillidae182007n/an/a
Song SparrowPasserellidae152025+3%1983
Rock PigeonColumbidae152025+41%2017
Purple MartinHirundinidae121980n/an/a
American CrowCorvidae112025-18%1983
Indigo BuntingCardinalidae112025+220%1983
Mourning WarblerParulidae102025-42%1983
Swamp SparrowPasserellidae92025+114%1983
Red-breasted NuthatchSittidae92025+550%1983
Black-capped ChickadeeParidae92025+15%1983
VeeryTurdidae92025-41%1983
Yellow-bellied SapsuckerPicidae82025+833%1983
Rose-breasted GrosbeakCardinalidae82025-29%1983
Winter WrenTroglodytidae82025+121%1983
Mourning DoveColumbidae82025+7%2007
Wood ThrushTurdidae81995n/an/a
Alder FlycatcherTyrannidae72025+20%1983
Common GrackleIcteridae72025+500%1983
Cedar WaxwingBombycillidae72025-47%1983
Brewer's BlackbirdIcteridae71987-22%1983
White-winged CrossbillFringillidae72015-13%2007
Chipping SparrowPasserellidae62025-33%1983
Black-and-white WarblerParulidae62025+64%1983
Northern ParulaParulidae62025+240%2008
Eastern KingbirdTyrannidae52025-42%1983
Common RavenCorvidae52025-18%1983
American GoldfinchFringillidae52025-52%1983
Black-throated Green WarblerParulidae52025-6%1983
Northern House WrenTroglodytidae52025+63%2004
Least FlycatcherTyrannidae42025-26%1983

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