BirdAnalyst
BBS Route · Wisconsin · BCR 23

Gilmanton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 55 survey years, still active.

115Species 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 →
1966–2024Span
10Observers

Bird Species Found on Wisconsin Gilmanton

Top 40 of 115 species by most recent count. Each links to its species trend.

Species recorded on the Gilmanton 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 BlackbirdIcteridae982024+129%1968
American RobinTurdidae582024+8%1968
House SparrowPasseridae462024-77%1968
Common YellowthroatParulidae362024+100%1968
Indigo BuntingCardinalidae332024-39%1968
Mourning DoveColumbidae302024+41%1968
Song SparrowPasserellidae282024-55%1968
Common GrackleIcteridae222024-62%1968
Yellow WarblerParulidae212024+675%1968
Gray CatbirdMimidae212024+53%1968
Eastern Wood-PeweeTyrannidae192024-30%1968
Eastern TowheePasserellidae162024+236%1968
Blue JayCorvidae152024-27%1968
American CrowCorvidae142024-1%1968
European StarlingSturnidae142024+36%1968
Northern CardinalCardinalidae132024-23%1968
Northern House WrenTroglodytidae132024-20%1968
Northern Rough-winged SwallowHirundinidae132022+100%1972
Brown-headed CowbirdIcteridae122024-72%1968
Chipping SparrowPasserellidae122024-19%1968
KilldeerCharadriidae112024+163%1968
American RedstartParulidae102024+333%1973
Eastern MeadowlarkIcteridae92024+5%1968
American GoldfinchFringillidae92024-11%1968
Field SparrowPasserellidae92024-89%1968
Barn SwallowHirundinidae82024-16%1968
Red-eyed VireoVireonidae82024+40%1968
Willow FlycatcherTyrannidae82024-23%1969
Tree SwallowHirundinidae82019+120%1977
Blue-winged WarblerParulidae72024+200%1972
Eastern PhoebeTyrannidae62024+0%1968
Savannah SparrowPasserellidae62024+14%1970
Rose-breasted GrosbeakCardinalidae62024-30%1968
Eurasian Collared-DoveColumbidae62024+175%2022
Horned LarkAlaudidae52022-9%1968
OvenbirdParulidae52024+75%1972
Swamp SparrowPasserellidae51988+400%1977
Yellow-bellied SapsuckerPicidae52024+8%1987
Sandhill CraneGruidae52023+0%1997
Alder FlycatcherTyrannidae52010+67%2004

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