BirdAnalyst
BBS Route · Wisconsin · BCR 23

Mukwonago Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 7 survey years, no longer active.

76Species 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 →
7Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2004Span
2Observers

Bird Species Found on Wisconsin Mukwonago

Top 40 of 76 species by most recent count. Each links to its species trend.

Species recorded on the Mukwonago 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
Red-winged BlackbirdIcteridae1562004+47%2000
American RobinTurdidae942004+19%2000
European StarlingSturnidae772004-29%2000
House SparrowPasseridae632004+65%2000
Barn SwallowHirundinidae442004-10%2000
Chipping SparrowPasserellidae432004+2%2000
American GoldfinchFringillidae422004+27%2000
Common GrackleIcteridae412004+48%2000
American CrowCorvidae362004+0%2000
Canada GooseAnatidae342004+17%2001
Song SparrowPasserellidae322004-18%2000
Mourning DoveColumbidae272004+5%2000
Common YellowthroatParulidae252004+56%2000
House FinchFringillidae222004+139%2000
Northern CardinalCardinalidae222004+46%2000
Cedar WaxwingBombycillidae212004+22%2000
Brown-headed CowbirdIcteridae192004+432%2000
Northern House WrenTroglodytidae192004+2%2000
Indigo BuntingCardinalidae152004+19%2000
Cliff SwallowHirundinidae102004-10%2000
Yellow WarblerParulidae92004+162%2000
Chimney SwiftApodidae82004-27%2000
Eastern MeadowlarkIcteridae62004+0%2000
Warbling VireoVireonidae52004+0%2000
Eastern PhoebeTyrannidae52004+71%2001
KilldeerCharadriidae42004-45%2000
Savannah SparrowPasserellidae42004-15%2000
Tree SwallowHirundinidae42004-60%2001
Northern Rough-winged SwallowHirundinidae42003+300%2000
American RedstartParulidae42004+100%2000
Downy WoodpeckerPicidae32003-27%2000
Blue JayCorvidae32004+32%2000
Red-eyed VireoVireonidae32004+129%2000
Black-capped ChickadeeParidae32004-46%2000
Ring-billed GullLaridae22003+100%1998
Wood DuckAnatidae21998n/an/a
Great Blue HeronArdeidae22004-14%2000
Sandhill CraneGruidae22004-39%2000
Rock PigeonColumbidae22004+27%2000
Eastern Wood-PeweeTyrannidae22003+17%2000

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