BirdAnalyst
BBS Route · Wisconsin · BCR 23

Meridean Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 114 species recorded across 25 survey years, still active.

114Species 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 →
25Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2025Span
2Observers

Bird Species Found on Wisconsin Meridean

Top 40 of 114 species by most recent count. Each links to its species trend.

Species recorded on the Meridean 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 CrowCorvidae822025-27%2000
American RobinTurdidae602025-36%2000
Mourning DoveColumbidae492025-22%2000
European StarlingSturnidae452025-50%2000
Common GrackleIcteridae342025+12%2001
Song SparrowPasserellidae312025-74%2000
Indigo BuntingCardinalidae302025+32%2000
Northern House WrenTroglodytidae282025-4%2000
Red-winged BlackbirdIcteridae252025-67%2000
Barn SwallowHirundinidae242025-32%2000
Gray CatbirdMimidae242025+2%2000
Blue JayCorvidae232025-9%2000
American GoldfinchFringillidae222025-25%2000
Chipping SparrowPasserellidae212025-58%2000
Common YellowthroatParulidae212025-62%2000
Rock PigeonColumbidae182025-71%2000
Brown-headed CowbirdIcteridae172025-29%2000
Red-bellied WoodpeckerPicidae142024+33%2000
Northern CardinalCardinalidae142025-11%2000
KilldeerCharadriidae122025-11%2000
Eastern TowheePasserellidae112025+225%2002
House SparrowPasseridae102025-90%2000
Rose-breasted GrosbeakCardinalidae92025-35%2000
Eastern BluebirdTurdidae92025-55%2000
Eastern Wood-PeweeTyrannidae82025+12%2000
White-breasted NuthatchSittidae82025+11%2000
Field SparrowPasserellidae72025-24%2000
Cedar WaxwingBombycillidae72025-48%2000
Sandhill CraneGruidae72025+163%2003
Hairy WoodpeckerPicidae62025+50%2001
Vesper SparrowPasserellidae62025-80%2000
Chimney SwiftApodidae62022+0%2003
Northern BobwhiteOdontophoridae52012-58%2000
Red-eyed VireoVireonidae52025-50%2000
Warbling VireoVireonidae52025-13%2000
Yellow WarblerParulidae52025+63%2000
Bank SwallowHirundinidae42019+40%2004
Brown ThrasherMimidae42025-50%2000
Downy WoodpeckerPicidae42025-29%2001
Brewer's BlackbirdIcteridae42019-33%2006

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