BirdAnalyst
BBS Route · Wisconsin · BCR 23

N Freedom Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 119 species recorded across 59 survey years, still active.

119Species 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 →
59Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
4Observers

Bird Species Found on Wisconsin N Freedom

Top 40 of 119 species by most recent count. Each links to its species trend.

Species recorded on the N Freedom 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
American RobinTurdidae1082025+335%1968
Red-winged BlackbirdIcteridae1022025-9%1968
Mourning DoveColumbidae642025+106%1968
American CrowCorvidae592025+113%1968
Barn SwallowHirundinidae572025+300%1968
Song SparrowPasserellidae562025+41%1968
Indigo BuntingCardinalidae402025+96%1968
Northern CardinalCardinalidae372025+73%1968
Chipping SparrowPasserellidae342025+121%1968
Northern House WrenTroglodytidae322025+292%1968
Gray CatbirdMimidae312025+204%1968
European StarlingSturnidae252025+74%1968
Common YellowthroatParulidae252025+86%1968
Brown-headed CowbirdIcteridae242025-8%1968
Black-capped ChickadeeParidae212025+289%1968
KilldeerCharadriidae192025+160%1968
American GoldfinchFringillidae172025-41%1968
Cedar WaxwingBombycillidae172025+133%1969
Eastern Wood-PeweeTyrannidae162025+167%1968
House SparrowPasseridae162025-74%1968
Red-bellied WoodpeckerPicidae152025+233%1968
Common GrackleIcteridae152025+9%1968
Blue JayCorvidae142025+8%1968
Field SparrowPasserellidae132025-43%1968
Red-eyed VireoVireonidae132025+80%1968
House FinchFringillidae132025+344%1995
Warbling VireoVireonidae122025+56%1968
Eastern KingbirdTyrannidae112025+156%1968
Rose-breasted GrosbeakCardinalidae112025+27%1968
Yellow WarblerParulidae112025+185%1968
Yellow-bellied SapsuckerPicidae112025+533%1995
Downy WoodpeckerPicidae102025+113%1968
Chimney SwiftApodidae92025+4%1968
Vesper SparrowPasserellidae92025-76%1968
Eastern TowheePasserellidae92025+11%1968
White-breasted NuthatchSittidae92025-30%1968
Rock PigeonColumbidae82025+137%1968
Horned LarkAlaudidae82025+8%1968
Ruffed GrousePhasianidae81971n/an/a
Eastern MeadowlarkIcteridae72025-70%1968

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