BirdAnalyst
BBS Route · Wisconsin · BCR 23

Rolling Pr Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 124 species recorded across 50 survey years, still active.

124Species 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 →
50Years 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 Rolling Pr

Top 40 of 124 species by most recent count. Each links to its species trend.

Species recorded on the Rolling Pr 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
Canada GooseAnatidae269202411×1989
Red-winged BlackbirdIcteridae1332024-18%1970
Red-headed WoodpeckerPicidae75200811×1970
American RobinTurdidae672024+67%1970
House SparrowPasseridae422024-91%1970
European StarlingSturnidae352024-88%1970
Song SparrowPasserellidae352024-45%1970
Barn SwallowHirundinidae332024+58%1970
American CrowCorvidae282024+21%1970
Mourning DoveColumbidae262024+278%1970
Northern CardinalCardinalidae25202413×1975
Northern House WrenTroglodytidae222024+383%1973
Common YellowthroatParulidae212024+103%1970
Sandhill CraneGruidae212024+444%1992
KilldeerCharadriidae202024-33%1970
RedheadAnatidae161986+14%1979
Double-crested CormorantPhalacrocoracidae112022+74%2005
Rock PigeonColumbidae102024-60%1970
Common GrackleIcteridae102024-84%1970
Tree SwallowHirundinidae92024-64%1974
MallardAnatidae82024-92%1971
Yellow WarblerParulidae82024-17%1970
Brown-headed CowbirdIcteridae72024-74%1970
American GoldfinchFringillidae72024-56%1970
Gray CatbirdMimidae72024+122%1970
Grasshopper SparrowPasserellidae61977+767%1970
Red-bellied WoodpeckerPicidae62024+80%1997
Ring-billed GullLaridae62024+36%2000
Blue JayCorvidae52024+20%1970
Indigo BuntingCardinalidae52024+140%1970
Warbling VireoVireonidae52024+60%1973
House FinchFringillidae52024+225%1994
American White PelicanPelecanidae52024+36%2008
Spotted SandpiperScolopacidae42010+100%1972
Ring-necked PheasantPhasianidae42022-83%1970
Brown ThrasherMimidae42024+80%1970
Sedge WrenTroglodytidae42015-20%1981
Cedar WaxwingBombycillidae42023+300%1975
Golden-winged WarblerParulidae41975+0%1971
Black-capped ChickadeeParidae42024+200%1984

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