BirdAnalyst
BBS Route · Wisconsin · BCR 23

Annaton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 92 species recorded across 25 survey years, still active.

92Species 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 →
25Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2024Span
4Observers

Bird Species Found on Wisconsin Annaton

Top 40 of 92 species by most recent count. Each links to its species trend.

Species recorded on the Annaton 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 BlackbirdIcteridae2112024-2%2001
American RobinTurdidae992024+97%2001
European StarlingSturnidae632024-33%2001
Common GrackleIcteridae602024-15%2001
House SparrowPasseridae512024-5%2001
Horned LarkAlaudidae492024+176%2001
Song SparrowPasserellidae492024+11%2001
Brown-headed CowbirdIcteridae482024+98%2001
Common YellowthroatParulidae392024+103%2001
Eastern MeadowlarkIcteridae372024+37%2001
Mourning DoveColumbidae292024+140%2001
KilldeerCharadriidae232024-21%2001
Northern House WrenTroglodytidae222024+27%2001
Rock PigeonColumbidae202024-43%2001
Chipping SparrowPasserellidae192024+54%2001
American GoldfinchFringillidae182024-4%2001
Northern CardinalCardinalidae182024+91%2001
Cliff SwallowHirundinidae182024+66%2001
American CrowCorvidae162024+58%2001
Gray CatbirdMimidae142024+171%2001
Barn SwallowHirundinidae132024+88%2001
Warbling VireoVireonidae132024+92%2001
Indigo BuntingCardinalidae122024+40%2001
DickcisselCardinalidae122024+142%2002
Yellow WarblerParulidae122024+162%2005
Savannah SparrowPasserellidae112024-63%2001
Red-bellied WoodpeckerPicidae102024+164%2001
Turkey VultureCathartidae102024+58%2002
Eastern Wood-PeweeTyrannidae92024+77%2001
Eastern KingbirdTyrannidae82024+214%2001
Baltimore OrioleIcteridae82024+213%2001
Northern Rough-winged SwallowHirundinidae82024+100%2002
Ring-necked PheasantPhasianidae72023-51%2001
Rose-breasted GrosbeakCardinalidae62024+82%2001
Canada GooseAnatidae62024-74%2016
Willow FlycatcherTyrannidae52024+127%2001
Eastern BluebirdTurdidae52024+14%2003
Blue JayCorvidae42024-24%2001
Bank SwallowHirundinidae42024+20%2002
Brown ThrasherMimidae42024+70%2001

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