BirdAnalyst
BBS Route · Wisconsin · BCR 12

Bashaw Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 128 species recorded across 24 survey years, still active.

128Species 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 →
24Years 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
6Observers

Bird Species Found on Wisconsin Bashaw

Top 40 of 128 species by most recent count. Each links to its species trend.

Species recorded on the Bashaw 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 VireoVireonidae1032025+86%2000
Red-winged BlackbirdIcteridae682025+105%2000
OvenbirdParulidae622025-6%2000
Indigo BuntingCardinalidae582025+274%2000
VeeryTurdidae542025+84%2000
American RobinTurdidae472025+43%2000
Common YellowthroatParulidae412025+55%2000
Chipping SparrowPasserellidae362025+29%2000
American CrowCorvidae302025-45%2000
Rock PigeonColumbidae292025+100%2000
Mourning DoveColumbidae282025+48%2000
Yellow WarblerParulidae282025+144%2000
Song SparrowPasserellidae262025-13%2000
Cliff SwallowHirundinidae262025+617%2004
Eastern Wood-PeweeTyrannidae252025+167%2000
American RedstartParulidae252025-13%2000
Gray CatbirdMimidae232025+17%2000
Pine WarblerParulidae232025+127%2005
Chestnut-sided WarblerParulidae212025-46%2000
Great Crested FlycatcherTyrannidae202025-29%2000
Blue JayCorvidae202025-20%2000
American GoldfinchFringillidae202025+267%2000
Rose-breasted GrosbeakCardinalidae182025-8%2000
Cedar WaxwingBombycillidae182025-29%2004
Scarlet TanagerCardinalidae172025+40%2000
Black-capped ChickadeeParidae172025+30%2000
Northern House WrenTroglodytidae162025+42%2004
Yellow-throated VireoVireonidae142025+450%2002
Common RavenCorvidae132025+150%2000
Brown-headed CowbirdIcteridae132025-10%2000
Least FlycatcherTyrannidae122025+167%2000
European StarlingSturnidae122025+33%2000
Vesper SparrowPasserellidae112025-16%2004
Black-and-white WarblerParulidae112025+70%2000
White-breasted NuthatchSittidae112025-7%2000
Canada GooseAnatidae102022-33%2002
Eastern PhoebeTyrannidae92025+21%2000
Red-breasted NuthatchSittidae92025+83%2004
Red-bellied WoodpeckerPicidae92025+100%2004
Golden-winged WarblerParulidae82025+71%2000

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