BirdAnalyst
BBS Route · Wisconsin · BCR 23

N Andover Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 38 survey years, still active.

108Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
6Observers

Bird Species Found on Wisconsin N Andover

Top 40 of 108 species by most recent count. Each links to its species trend.

Species recorded on the N Andover 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 BlackbirdIcteridae3102024-2%1975
American RobinTurdidae1242024+158%1975
European StarlingSturnidae1142024+7%1975
House SparrowPasseridae912024-41%1975
Mourning DoveColumbidae632024+85%1975
Cliff SwallowHirundinidae602024+92%1975
Song SparrowPasserellidae512024+146%1975
Barn SwallowHirundinidae362024+28%1975
Rock PigeonColumbidae332024-9%1975
DickcisselCardinalidae322024+46%1975
Gray CatbirdMimidae272024+180%1975
Northern CardinalCardinalidae262024+90%1975
Common YellowthroatParulidae242024+129%1975
Northern House WrenTroglodytidae242024+24%1975
Common GrackleIcteridae232024-74%1975
Double-crested CormorantPhalacrocoracidae212006+540%1992
KilldeerCharadriidae192024+230%1975
Brown-headed CowbirdIcteridae192024-9%1975
American GoldfinchFringillidae182024-33%1975
Red-bellied WoodpeckerPicidae172024+377%1975
American CrowCorvidae172024-43%1975
Eastern MeadowlarkIcteridae152024-14%1975
Indigo BuntingCardinalidae152024+45%1975
Horned LarkAlaudidae132024-36%1975
Rose-breasted GrosbeakCardinalidae112024+15%1979
Sedge WrenTroglodytidae101996+400%1971
Black-capped ChickadeeParidae92024-7%1975
Blue JayCorvidae82024-44%1975
Brown ThrasherMimidae82024-27%1975
Warbling VireoVireonidae72024+85%1979
Red-headed WoodpeckerPicidae62024-84%1975
Eastern Wood-PeweeTyrannidae62024+57%1975
Chipping SparrowPasserellidae62024-31%1975
Eastern BluebirdTurdidae62024+20%1975
Eurasian Collared-DoveColumbidae62024+250%2021
Turkey VultureCathartidae52024+400%2007
House FinchFringillidae52023+17%1997
Eastern KingbirdTyrannidae42024-31%1975
Great Crested FlycatcherTyrannidae42022+11%1979
Vesper SparrowPasserellidae42021-86%1975

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