BirdAnalyst
BBS Route · Wisconsin · BCR 12

Iron River Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 141 species recorded across 55 survey years, still active.

141Species 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 →
55Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
9Observers

Bird Species Found on Wisconsin Iron River

Top 40 of 141 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 CrowCorvidae972025+82%1969
Red-winged BlackbirdIcteridae652025+27%1969
Red-eyed VireoVireonidae522025+143%1969
American RobinTurdidae482025-8%1969
OvenbirdParulidae452025+81%1969
Common YellowthroatParulidae452025+259%1969
Savannah SparrowPasserellidae372025-30%1969
Indigo BuntingCardinalidae372025+248%1969
Tree SwallowHirundinidae312025+63%1969
Song SparrowPasserellidae272025-40%1969
Chipping SparrowPasserellidae242025+34%1969
European StarlingSturnidae212025-84%1969
Mourning DoveColumbidae212025+633%1972
Chestnut-sided WarblerParulidae172025+133%1969
Cedar WaxwingBombycillidae172025+26%1970
Blue JayCorvidae152025+255%1969
Yellow-bellied SapsuckerPicidae122025+271%1971
Red-breasted NuthatchSittidae122025+625%1972
BobolinkIcteridae112025+155%1969
American GoldfinchFringillidae112025-64%1969
Nashville WarblerParulidae112025+100%1969
VeeryTurdidae112025-48%1969
Red CrossbillFringillidae112024-52%1973
Clay-colored SparrowPasserellidae102025+141%1969
Black-capped ChickadeeParidae102025+133%1969
Black-and-white WarblerParulidae102025+900%1975
Brown-headed CowbirdIcteridae92025-71%1969
White-throated SparrowPasserellidae82025-39%1969
Rose-breasted GrosbeakCardinalidae82025+190%1969
Northern House WrenTroglodytidae82025-37%1969
Eastern PhoebeTyrannidae82025+133%1970
Wild TurkeyPhasianidae82025+86%2013
Rock PigeonColumbidae72025+93%1978
Alder FlycatcherTyrannidae72025+575%1985
Cliff SwallowHirundinidae72025-97%1969
Barn SwallowHirundinidae72025-62%1969
Mourning WarblerParulidae72025+55%1970
Gray CatbirdMimidae72025-60%1969
Chimney SwiftApodidae62024-53%1969
Eastern Wood-PeweeTyrannidae62025-50%1969

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