BirdAnalyst
BBS Route · Wisconsin · BCR 23

Mukwonago 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 19 survey years, still active.

91Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2024Span
2Observers

Bird Species Found on Wisconsin Mukwonago 2

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Mukwonago 2 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 BlackbirdIcteridae892024-9%2007
American RobinTurdidae832024-1%2007
Sandhill CraneGruidae552024+166%2007
Barn SwallowHirundinidae532024-24%2007
American CrowCorvidae462024-8%2007
Mourning DoveColumbidae352024+0%2007
Northern CardinalCardinalidae312024+11%2007
American GoldfinchFringillidae302024-37%2007
Cedar WaxwingBombycillidae282024-55%2007
Black-capped ChickadeeParidae212024+2%2007
KilldeerCharadriidae202024+75%2007
Brown-headed CowbirdIcteridae202024-49%2007
Indigo BuntingCardinalidae202024+20%2007
Northern House WrenTroglodytidae202024-38%2007
Common GrackleIcteridae192024-53%2007
Song SparrowPasserellidae192024-40%2007
Turkey VultureCathartidae172024+533%2007
European StarlingSturnidae172024-52%2007
House SparrowPasseridae172024-36%2007
Chipping SparrowPasserellidae162024-68%2007
Blue JayCorvidae152024+14%2007
Red-bellied WoodpeckerPicidae132024+733%2007
House FinchFringillidae132024-23%2007
Yellow WarblerParulidae132024+44%2007
Eastern Wood-PeweeTyrannidae122024+200%2008
Common YellowthroatParulidae112024-42%2007
Gray CatbirdMimidae112024-15%2007
Chimney SwiftApodidae82024+90%2008
White-breasted NuthatchSittidae82024+250%2007
Great Crested FlycatcherTyrannidae82024+62%2008
Canada GooseAnatidae82024+40%2012
Rock PigeonColumbidae72024-38%2007
Baltimore OrioleIcteridae72024+80%2007
Field SparrowPasserellidae72024-44%2007
Red-eyed VireoVireonidae72024+7%2007
Red-tailed HawkAccipitridae52024+100%2013
Eastern KingbirdTyrannidae52024-38%2009
Yellow-billed CuckooCuculidae42023+300%2005
Blue-gray GnatcatcherPolioptilidae42024-39%2007
Downy WoodpeckerPicidae42024+33%2011

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