BirdAnalyst
BBS Route · Minnesota · BCR 12

Mahtowa Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 133 species recorded across 27 survey years, still active.

133Species 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2023Span
2Observers

Bird Species Found on Minnesota Mahtowa

Top 40 of 133 species by most recent count. Each links to its species trend.

Species recorded on the Mahtowa 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 YellowthroatParulidae502023-16%1995
OvenbirdParulidae432023+13%1995
Red-eyed VireoVireonidae422023+2%1995
VeeryTurdidae402023+93%1995
American RobinTurdidae372023+1%1995
Red-winged BlackbirdIcteridae342023+25%1995
American CrowCorvidae312023+11%1995
Song SparrowPasserellidae302023-56%1995
Sedge WrenTroglodytidae24202315×1997
Blue JayCorvidae182023+61%1995
Nashville WarblerParulidae172023-51%1995
Swamp SparrowPasserellidae162023+9%1995
Chestnut-sided WarblerParulidae162023-51%1995
Black-and-white WarblerParulidae152023-13%1995
American RedstartParulidae152023+100%1995
Yellow WarblerParulidae142023+129%1995
Least FlycatcherTyrannidae132023+238%1995
Cedar WaxwingBombycillidae122023-16%1995
Alder FlycatcherTyrannidae112023-45%1995
American GoldfinchFringillidae92023-56%1995
Ruffed GrousePhasianidae82022+100%1996
Savannah SparrowPasserellidae82023-72%1995
White-throated SparrowPasserellidae82023-58%1995
Black-capped ChickadeeParidae82023+25%1995
Eastern Wood-PeweeTyrannidae82023+100%1996
Chipping SparrowPasserellidae72023-48%1995
Bank SwallowHirundinidae71993n/an/a
Rock PigeonColumbidae52017+50%1995
Common RavenCorvidae52023+400%1995
Brown-headed CowbirdIcteridae52023-33%1995
Gray CatbirdMimidae52023-45%1995
American Black DuckAnatidae52010n/an/a
BobolinkIcteridae42022-56%1995
Common GrackleIcteridae42023-70%1995
Pine WarblerParulidae42023+50%1998
Canada GooseAnatidae42017+235%1997
Wilson's SnipeScolopacidae32023-21%1995
Pileated WoodpeckerPicidae32023+200%1995
Purple FinchFringillidae32023-44%1997
Vesper SparrowPasserellidae32013-25%1995

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