BirdAnalyst
BBS Route · Wisconsin · BCR 23

Holway Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 107 species recorded across 22 survey years, no longer active.

107Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–1989Span
3Observers

Bird Species Found on Wisconsin Holway

Top 40 of 107 species by most recent count. Each links to its species trend.

Species recorded on the Holway 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 CrowCorvidae681989+71%1969
House SparrowPasseridae661989-2%1969
Savannah SparrowPasserellidae631989-39%1969
Song SparrowPasserellidae571989+3%1969
BobolinkIcteridae531989+20%1969
Red-winged BlackbirdIcteridae471989+15%1969
European StarlingSturnidae421989-24%1969
Cliff SwallowHirundinidae341988-45%1969
American RobinTurdidae291989-8%1969
Common YellowthroatParulidae251989+33%1969
Rock PigeonColumbidae231989+311%1969
Eastern MeadowlarkIcteridae211989-35%1969
Barn SwallowHirundinidae211989+120%1969
Brown-headed CowbirdIcteridae201989-33%1969
Rose-breasted GrosbeakCardinalidae191989+19%1969
Sedge WrenTroglodytidae191989-8%1969
Common GrackleIcteridae181989+262%1969
Indigo BuntingCardinalidae171989+121%1969
KilldeerCharadriidae161989+50%1969
Great Crested FlycatcherTyrannidae151989+111%1969
Tree SwallowHirundinidae121989+160%1972
Blue JayCorvidae101989+18%1969
Red-eyed VireoVireonidae101989-25%1969
MallardAnatidae91989+25%1976
Mourning DoveColumbidae81989+257%1969
Chipping SparrowPasserellidae71989+19%1969
OvenbirdParulidae71989+4%1969
Hairy WoodpeckerPicidae61988+200%1977
Eastern PhoebeTyrannidae61989+71%1970
American GoldfinchFringillidae61989-41%1969
Cedar WaxwingBombycillidae61989+100%1969
Clay-colored SparrowPasserellidae51989+42%1970
Brewer's BlackbirdIcteridae41989-52%1969
Swamp SparrowPasserellidae41989-25%1969
American BitternArdeidae41983+233%1973
Eastern BluebirdTurdidae41989n/an/a
Eastern Wood-PeweeTyrannidae31989-21%1969
Least FlycatcherTyrannidae31989-46%1969
Baltimore OrioleIcteridae31989-17%1970
Warbling VireoVireonidae31989-53%1969

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