BirdAnalyst
BBS Route · Wisconsin · BCR 23

Annaton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 26 survey years, still active.

93Species 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2025Span
4Observers

Bird Species Found on Wisconsin Annaton

Top 40 of 93 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 BlackbirdIcteridae1922025-8%2001
American RobinTurdidae1082025+94%2001
Canada GooseAnatidae992025+206%2016
Common GrackleIcteridae752025-22%2001
Mourning DoveColumbidae672025+155%2001
Song SparrowPasserellidae662025+25%2001
Cliff SwallowHirundinidae622025+124%2001
Horned LarkAlaudidae552025+204%2001
House SparrowPasseridae482025-8%2001
Eastern MeadowlarkIcteridae412025+45%2001
European StarlingSturnidae392025-44%2001
Common YellowthroatParulidae342025+86%2001
Brown-headed CowbirdIcteridae302025+80%2001
Barn SwallowHirundinidae262025+94%2001
Gray CatbirdMimidae242025+205%2001
Turkey VultureCathartidae232025+192%2002
KilldeerCharadriidae212025-9%2001
American GoldfinchFringillidae202025+24%2001
American CrowCorvidae182025+24%2001
Chipping SparrowPasserellidae182025+68%2001
Northern House WrenTroglodytidae182025+29%2001
Northern CardinalCardinalidae162025+72%2001
Eurasian Collared-DoveColumbidae142025+400%2012
Rock PigeonColumbidae132025-31%2001
Yellow WarblerParulidae132025+200%2005
Brown ThrasherMimidae122025+130%2001
Ring-necked PheasantPhasianidae102025-38%2001
Eastern Wood-PeweeTyrannidae102025+55%2001
Savannah SparrowPasserellidae102025-66%2001
Eastern KingbirdTyrannidae92025+271%2001
Willow FlycatcherTyrannidae92025+118%2001
DickcisselCardinalidae92025+63%2002
Warbling VireoVireonidae82025+115%2001
Blue JayCorvidae72025-40%2001
Red-bellied WoodpeckerPicidae62025+173%2001
American RedstartParulidae62025+18%2010
Swamp SparrowPasserellidae52025+38%2001
Rose-breasted GrosbeakCardinalidae52025+46%2001
Cedar WaxwingBombycillidae52025-25%2001
Baltimore OrioleIcteridae42025+213%2001

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.