BirdAnalyst
BBS Route · Wisconsin · BCR 12

Eagle River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 144 species recorded across 58 survey years, still active.

144Species 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 →
58Years 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
6Observers

Bird Species Found on Wisconsin Eagle River

Top 40 of 144 species by most recent count. Each links to its species trend.

Species recorded on the Eagle River 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-eyed VireoVireonidae1072024+149%1968
OvenbirdParulidae382024+3%1968
Chipping SparrowPasserellidae332024+44%1968
American RobinTurdidae322024-22%1968
Black-throated Green WarblerParulidae282024+35%1968
American CrowCorvidae262024+47%1968
Black-capped ChickadeeParidae252024+113%1968
Hermit ThrushTurdidae212024+62%1968
Nashville WarblerParulidae192024+364%1968
White-throated SparrowPasserellidae182024+20%1968
Pine WarblerParulidae182024+875%1968
Northern Rough-winged SwallowHirundinidae182011+667%1975
Indigo BuntingCardinalidae152024+41%1968
Red-breasted NuthatchSittidae142024+363%1971
American GoldfinchFringillidae122024+86%1968
Blue JayCorvidae112024+19%1968
Blackburnian WarblerParulidae102024+157%1968
Downy WoodpeckerPicidae92024+120%1968
Chestnut-sided WarblerParulidae92024-25%1968
White-breasted NuthatchSittidae92024+40%1969
Common RavenCorvidae82024+28%1969
Hairy WoodpeckerPicidae72024+325%1968
Yellow-bellied SapsuckerPicidae72024+67%1969
Tree SwallowHirundinidae72023-50%1968
Warbling VireoVireonidae72010+29%1969
Northern ParulaParulidae72024+233%1968
Magnolia WarblerParulidae72024+700%1972
Common YellowthroatParulidae72024-32%1968
American RedstartParulidae72024+200%1968
Winter WrenTroglodytidae72024+129%1969
Rose-breasted GrosbeakCardinalidae62024-15%1968
Black-and-white WarblerParulidae62024+136%1968
VeeryTurdidae62024-32%1968
Pileated WoodpeckerPicidae62024+163%1970
Cape May WarblerParulidae62022+13%1979
Eastern Wood-PeweeTyrannidae52024-13%1968
Yellow-bellied FlycatcherTyrannidae52023+233%1971
Purple FinchFringillidae52024-16%1968
Cedar WaxwingBombycillidae52024+48%1970
Mourning DoveColumbidae52024+400%1981

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