BirdAnalyst
BBS Route · Wisconsin · BCR 23

Omro Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 134 species recorded across 36 survey years, no longer active.

134Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2001Span
1Observers

Bird Species Found on Wisconsin Omro

Top 40 of 134 species by most recent count. Each links to its species trend.

Species recorded on the Omro 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-winged BlackbirdIcteridae3052001-20%1968
European StarlingSturnidae1962001-19%1968
American CrowCorvidae1252001+153%1968
American RobinTurdidae1092001+57%1968
House SparrowPasseridae1052001-38%1968
Ring-billed GullLaridae96200144×1983
Common GrackleIcteridae822001-61%1968
Rock PigeonColumbidae702001+127%1969
Song SparrowPasserellidae692001+1%1968
Bank SwallowHirundinidae682001+479%1968
Barn SwallowHirundinidae552001+59%1968
Canada GooseAnatidae46200140×1977
American GoldfinchFringillidae452001+428%1968
Sandhill CraneGruidae43200117×1973
Mourning DoveColumbidae412001+162%1968
Tree SwallowHirundinidae372001+519%1968
House FinchFringillidae352001+154%1993
MallardAnatidae342001-32%1968
Chipping SparrowPasserellidae312001+418%1968
Common YellowthroatParulidae292001+12%1968
Wood DuckAnatidae291999+208%1973
Brown-headed CowbirdIcteridae262001-17%1968
BobolinkIcteridae232001-46%1968
Eastern KingbirdTyrannidae222001-28%1968
Cedar WaxwingBombycillidae212001-6%1968
Yellow WarblerParulidae202001+127%1968
Northern House WrenTroglodytidae202001+213%1968
Savannah SparrowPasserellidae182001-81%1968
Northern CardinalCardinalidae182001+617%1969
Chimney SwiftApodidae162001+26%1968
Blue JayCorvidae162001-9%1968
Baltimore OrioleIcteridae162001+105%1968
Ring-necked PheasantPhasianidae122001-31%1968
Eastern MeadowlarkIcteridae112001-67%1968
Indigo BuntingCardinalidae112001+71%1968
Red-eyed VireoVireonidae92001+229%1969
Eastern BluebirdTurdidae92001+111%1969
KilldeerCharadriidae82001-15%1968
Eastern Wood-PeweeTyrannidae82001+90%1968
Cliff SwallowHirundinidae82001+875%1969

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