BirdAnalyst
BBS Route · Wisconsin · BCR 12

Iron River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 140 species recorded across 54 survey years, still active.

140Species 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 →
54Years 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
9Observers

Bird Species Found on Wisconsin Iron River

Top 40 of 140 species by most recent count. Each links to its species trend.

Species recorded on the Iron 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
American CrowCorvidae732024+58%1969
Red-winged BlackbirdIcteridae472024+16%1969
Red-eyed VireoVireonidae402024+130%1969
OvenbirdParulidae352024+90%1969
Savannah SparrowPasserellidae342024-30%1969
American RobinTurdidae312024-4%1969
Chipping SparrowPasserellidae302024+19%1969
Indigo BuntingCardinalidae302024+237%1969
Blue JayCorvidae262024+345%1969
Common YellowthroatParulidae262024+219%1969
Chestnut-sided WarblerParulidae252024+141%1969
Black-billed CuckooCuculidae222024+333%1970
Cedar WaxwingBombycillidae212024+74%1970
BobolinkIcteridae172024+246%1969
Song SparrowPasserellidae172024-43%1969
Black-capped ChickadeeParidae162024+167%1969
Clay-colored SparrowPasserellidae152024+153%1969
Tree SwallowHirundinidae152024+25%1969
VeeryTurdidae152024-56%1969
Rock PigeonColumbidae132024+93%1978
American RedstartParulidae132024+94%1969
Mourning DoveColumbidae132024+383%1972
Black-and-white WarblerParulidae122024+800%1975
European StarlingSturnidae112024-78%1969
Nashville WarblerParulidae112024+115%1969
Red CrossbillFringillidae112024-52%1973
Northern House WrenTroglodytidae102024-41%1969
Alder FlycatcherTyrannidae92024+600%1985
Rose-breasted GrosbeakCardinalidae92024+190%1969
Barn SwallowHirundinidae92024-49%1969
Eastern KingbirdTyrannidae82024+33%1969
Yellow-bellied SapsuckerPicidae72024+157%1971
Pine WarblerParulidae72024+300%1972
Chimney SwiftApodidae62024-53%1969
Mourning WarblerParulidae62024+91%1970
Downy WoodpeckerPicidae62009+217%1972
Evening GrosbeakFringillidae61995+120%1970
Wood ThrushTurdidae62024+50%1973
DickcisselCardinalidae62023-42%2017
American KestrelFalconidae52024+71%1969

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