BirdAnalyst
BBS Route · Wisconsin · BCR 12

Washington I Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 153 species recorded across 51 survey years, still active.

153Species 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 →
51Years 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 Washington I

Top 40 of 153 species by most recent count. Each links to its species trend.

Species recorded on the Washington I 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 VireoVireonidae842024+324%1969
American RobinTurdidae592024-2%1969
American RedstartParulidae582024+191%1969
American CrowCorvidae412024+37%1969
Blue JayCorvidae402024+49%1969
Black-throated Green WarblerParulidae402024+527%1969
Black-capped ChickadeeParidae362024+289%1969
Indigo BuntingCardinalidae292024+29%1969
Northern CardinalCardinalidae292024+844%1970
Northern House WrenTroglodytidae222024+207%1969
Mourning DoveColumbidae212024+31%1969
Chipping SparrowPasserellidae202024+148%1969
Herring GullLaridae192024-96%1969
Great Crested FlycatcherTyrannidae172024+87%1969
Eastern Wood-PeweeTyrannidae172024-24%1969
OvenbirdParulidae162024-11%1969
Common TernLaridae132013-73%1969
American GoldfinchFringillidae102024-29%1969
Cedar WaxwingBombycillidae92024-86%1969
Winter WrenTroglodytidae92024-56%1969
Pileated WoodpeckerPicidae92024+700%1972
Red-breasted NuthatchSittidae92024+560%1972
Rock PigeonColumbidae82000+44%1973
Ring-necked PheasantPhasianidae72024+275%1969
Red-winged BlackbirdIcteridae72024-92%1969
Red CrossbillFringillidae72024+17%1967
Red-bellied WoodpeckerPicidae72024+500%2000
Rose-breasted GrosbeakCardinalidae62024-29%1969
BobolinkIcteridae52024-85%1969
Eastern MeadowlarkIcteridae52024-84%1969
Purple FinchFringillidae52024+44%1969
Nashville WarblerParulidae52023+43%1969
Eastern BluebirdTurdidae52024+43%1969
Sandhill CraneGruidae52023+167%1999
Hairy WoodpeckerPicidae42024+240%1969
Common GrackleIcteridae42024-73%1969
Scarlet TanagerCardinalidae42024+33%1969
Barn SwallowHirundinidae42024-93%1969
Black-and-white WarblerParulidae42024-63%1969
White-breasted NuthatchSittidae42024+150%1973

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