BirdAnalyst
BBS Route · Wisconsin · BCR 12

Irma Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 139 species recorded across 55 survey years, still active.

139Species 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 →
1967–2024Span
5Observers

Bird Species Found on Wisconsin Irma

Top 40 of 139 species by most recent count. Each links to its species trend.

Species recorded on the Irma 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 VireoVireonidae662024+97%1969
American RobinTurdidae592024+46%1969
OvenbirdParulidae442024+149%1969
Red CrossbillFringillidae402018+264%1980
Black-capped ChickadeeParidae362024+284%1969
Red-winged BlackbirdIcteridae322024-2%1969
Chipping SparrowPasserellidae322024+67%1969
Chestnut-sided WarblerParulidae282024+32%1969
Song SparrowPasserellidae272024-60%1969
American CrowCorvidae262024-56%1969
Common YellowthroatParulidae242024+39%1969
Indigo BuntingCardinalidae222024+3%1969
American GoldfinchFringillidae192024+65%1969
Rock PigeonColumbidae162023+338%1982
Mourning DoveColumbidae152024+920%1972
Cedar WaxwingBombycillidae152024+51%1969
White-throated SparrowPasserellidae132024+36%1969
Bank SwallowHirundinidae122000+80%1978
Common GrackleIcteridae112024+350%1969
Least FlycatcherTyrannidae102024-4%1969
Blue JayCorvidae102024-38%1969
Pine WarblerParulidae92024+154%1971
Brown-headed CowbirdIcteridae82024-53%1969
VeeryTurdidae82024-49%1969
Nashville WarblerParulidae72024+3%1969
Yellow WarblerParulidae72024+133%1969
Gray CatbirdMimidae72024-24%1969
Northern House WrenTroglodytidae72024-25%1969
Wild TurkeyPhasianidae72024+467%2003
European StarlingSturnidae62024-78%1969
Brewer's BlackbirdIcteridae62010+100%1969
Tree SwallowHirundinidae62024-82%1969
Black-and-white WarblerParulidae62024+367%1969
Red-breasted NuthatchSittidae62024+150%1970
Hermit ThrushTurdidae62024-10%1970
MallardAnatidae62024+33%1974
Eastern Wood-PeweeTyrannidae52024+0%1969
Rose-breasted GrosbeakCardinalidae52024-48%1969
Mourning WarblerParulidae52024+47%1969
American RedstartParulidae52024+833%1970

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