BirdAnalyst
BBS Route · Wisconsin · BCR 23

Gilmanton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 56 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 →
56Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
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 BlackbirdIcteridae1252025+90%1968
American RobinTurdidae632025+13%1968
House SparrowPasseridae352025-89%1968
Mourning DoveColumbidae342025+81%1968
Common YellowthroatParulidae312025+121%1968
Song SparrowPasserellidae282025-46%1968
Indigo BuntingCardinalidae212025-34%1968
Northern House WrenTroglodytidae192025+11%1968
Eastern Wood-PeweeTyrannidae182025+18%1968
American CrowCorvidae182025-33%1968
American GoldfinchFringillidae182025-15%1968
Rose-breasted GrosbeakCardinalidae162025-21%1968
Yellow WarblerParulidae162025+925%1968
Horned LarkAlaudidae132025+82%1968
Brown-headed CowbirdIcteridae122025-69%1968
Common GrackleIcteridae122025-56%1968
Savannah SparrowPasserellidae122025+24%1970
Gray CatbirdMimidae122025+29%1968
Blue-winged WarblerParulidae112025+375%1972
Rock PigeonColumbidae102025-79%1968
Cedar WaxwingBombycillidae102025+113%1969
KilldeerCharadriidae92025+175%1968
Chipping SparrowPasserellidae92025-4%1968
Eastern TowheePasserellidae92025+200%1968
Eastern PhoebeTyrannidae82025+46%1968
Blue JayCorvidae82025-31%1968
Warbling VireoVireonidae82025+5%1968
American RedstartParulidae82025+267%1973
European StarlingSturnidae72025+15%1968
Baltimore OrioleIcteridae72025+0%1968
Northern CardinalCardinalidae72025-43%1968
Field SparrowPasserellidae62025-88%1968
Red-eyed VireoVireonidae62025+60%1968
Eurasian Collared-DoveColumbidae62025+200%2022
OvenbirdParulidae52024+75%1972
Red-bellied WoodpeckerPicidae52025+78%1969
Tree SwallowHirundinidae52025+180%1977
Swamp SparrowPasserellidae51988+400%1977
Sandhill CraneGruidae52023+0%1997
Alder FlycatcherTyrannidae52010+67%2004

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