BirdAnalyst
BBS Route · Minnesota · BCR 12

Mille Lacs Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 139 species recorded across 31 survey years, still active.

139Species 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 →
1967–2024Span
6Observers

Bird Species Found on Minnesota Mille Lacs

Top 40 of 139 species by most recent count. Each links to its species trend.

Species recorded on the Mille Lacs 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
Common YellowthroatParulidae48202415×1971
Red-winged BlackbirdIcteridae472024-30%1969
VeeryTurdidae292024+34%1969
American CrowCorvidae262024-32%1969
Red-eyed VireoVireonidae242024+57%1969
Song SparrowPasserellidae222024-11%1969
Yellow WarblerParulidae162024+218%1969
Swamp SparrowPasserellidae152024+667%1969
American RobinTurdidae142024-54%1969
Indigo BuntingCardinalidae142024+275%1980
OvenbirdParulidae142024+128%1979
Gray CatbirdMimidae132024-7%1969
American RedstartParulidae112024+215%1994
Chipping SparrowPasserellidae92024+325%1970
Sedge WrenTroglodytidae9202412×1975
Common GrackleIcteridae82024+125%1969
Blue JayCorvidae72024-27%1969
American GoldfinchFringillidae72024-24%1969
Blue-headed VireoVireonidae61998-28%1996
Ruffed GrousePhasianidae52008+233%1969
Cliff SwallowHirundinidae52024+150%1969
Barn SwallowHirundinidae52024+40%1969
Tree SwallowHirundinidae52024+67%1969
Northern House WrenTroglodytidae52024+240%1970
Black-capped ChickadeeParidae52024+175%1981
Canada GooseAnatidae52019-89%1997
MallardAnatidae42024+900%1970
Blue-winged TealAnatidae41975+300%1967
Rock PigeonColumbidae42024-15%2009
Yellow-bellied FlycatcherTyrannidae42010+300%1996
Eastern Whip-poor-willCaprimulgidae41998n/an/a
Spotted SandpiperScolopacidae31967n/an/a
Mourning DoveColumbidae32024+89%1969
Brewer's BlackbirdIcteridae31997-36%1970
Northern Rough-winged SwallowHirundinidae32018+60%1971
White-breasted NuthatchSittidae32024+20%1979
Downy WoodpeckerPicidae32024+67%1970
Least FlycatcherTyrannidae32024+400%1970
Yellow-headed BlackbirdIcteridae31975n/an/a
Black-and-white WarblerParulidae32024+13%2007

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