BirdAnalyst
BBS Route · Wisconsin · BCR 12

Hollister Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 138 species recorded across 54 survey years, still active.

138Species 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 →
54Years 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
7Observers

Bird Species Found on Wisconsin Hollister

Top 40 of 138 species by most recent count. Each links to its species trend.

Species recorded on the Hollister 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 VireoVireonidae392025-30%1969
OvenbirdParulidae272025-39%1969
Chestnut-sided WarblerParulidae222025+127%1969
Least FlycatcherTyrannidae192025-47%1969
Indigo BuntingCardinalidae162025+8%1969
VeeryTurdidae152025-27%1969
Song SparrowPasserellidae142025-24%1969
White-throated SparrowPasserellidae132025+580%1969
American RobinTurdidae132025-39%1969
Eastern Wood-PeweeTyrannidae122025+107%1969
Common YellowthroatParulidae122025+32%1969
Bank SwallowHirundinidae122012+27%1991
Rose-breasted GrosbeakCardinalidae112025-63%1969
Mourning WarblerParulidae112025+29%1969
American GoldfinchFringillidae102025-11%1969
Eastern TowheePasserellidae92025-46%1969
American RedstartParulidae92025+333%1970
American CrowCorvidae82025+32%1969
European StarlingSturnidae82025-88%1969
MallardAnatidae82024+100%1979
Chipping SparrowPasserellidae72025-68%1969
Black-and-white WarblerParulidae62025+80%1969
Wood ThrushTurdidae62025-36%1969
Yellow WarblerParulidae52025+160%1974
Northern House WrenTroglodytidae52025-58%1969
Horned LarkAlaudidae42007+17%1972
Brown-headed CowbirdIcteridae42025-88%1969
DickcisselCardinalidae42012+25%1969
Scarlet TanagerCardinalidae42025-36%1969
Barn SwallowHirundinidae42025-74%1969
Golden-winged WarblerParulidae42025-36%1970
Black-capped ChickadeeParidae42025-14%1969
Great Crested FlycatcherTyrannidae42024-50%1970
Mourning DoveColumbidae42025+500%1977
Ruby-throated HummingbirdTrochilidae42019+100%1974
Evening GrosbeakFringillidae42000+100%1980
Canada GooseAnatidae42013+250%1995
Blue JayCorvidae32025-64%1969
Purple MartinHirundinidae32002-79%1969
Hermit ThrushTurdidae32025-19%1969

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