BirdAnalyst
BBS Route · Wisconsin · BCR 23

Viroqua Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 55 survey years, still active.

110Species 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 →
55Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
10Observers

Bird Species Found on Wisconsin Viroqua

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the Viroqua 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 BlackbirdIcteridae692024-6%1968
American RobinTurdidae682024+74%1968
European StarlingSturnidae592024+907%1968
Common GrackleIcteridae422024+150%1968
House SparrowPasseridae362024-45%1968
Northern House WrenTroglodytidae332024+72%1968
Northern CardinalCardinalidae312024+83%1968
American CrowCorvidae292024+300%1968
Song SparrowPasserellidae292024+93%1968
Mourning DoveColumbidae282024+264%1968
Gray CatbirdMimidae252024+95%1968
Chipping SparrowPasserellidae242024+136%1968
Yellow WarblerParulidae212024+238%1968
Common YellowthroatParulidae202024+43%1968
American GoldfinchFringillidae192024+4%1968
Barn SwallowHirundinidae192024+550%1968
Red-bellied WoodpeckerPicidae18202413×1970
Brown-headed CowbirdIcteridae172024+112%1968
Savannah SparrowPasserellidae172024+30%1968
DickcisselCardinalidae172023-39%1968
Warbling VireoVireonidae162024+118%1968
Rose-breasted GrosbeakCardinalidae152024+218%1968
Indigo BuntingCardinalidae142024+33%1968
Cliff SwallowHirundinidae142024+640%1981
Eastern MeadowlarkIcteridae122024-61%1968
Eastern Wood-PeweeTyrannidae112024+138%1968
Horned LarkAlaudidae112024+29%1970
Blue JayCorvidae112024+0%1968
Rock PigeonColumbidae112024+517%1971
House FinchFringillidae112024+91%1995
Baltimore OrioleIcteridae102024-3%1968
Cedar WaxwingBombycillidae102024+200%1981
Canada GooseAnatidae92018-67%2008
White-breasted NuthatchSittidae82024+80%1968
Black-capped ChickadeeParidae82024+400%1969
Willow FlycatcherTyrannidae72024+21%1968
Eastern TowheePasserellidae72023+533%1971
American RedstartParulidae72024+236%1968
KilldeerCharadriidae62024+450%1973
BobolinkIcteridae52024-79%1968

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