BirdAnalyst
BBS Route · Wisconsin · BCR 23

Trempealeau Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 118 species recorded across 52 survey years, still active.

118Species 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 →
52Years 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
5Observers

Bird Species Found on Wisconsin Trempealeau

Top 40 of 118 species by most recent count. Each links to its species trend.

Species recorded on the Trempealeau 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 RobinTurdidae1842024+345%1970
Red-winged BlackbirdIcteridae1702024+114%1970
Song SparrowPasserellidae752024+174%1970
House SparrowPasseridae682024-48%1970
European StarlingSturnidae552024-51%1970
Cliff SwallowHirundinidae54202419×1978
Mourning DoveColumbidae532024+221%1970
Northern House WrenTroglodytidae482024+268%1970
American CrowCorvidae452024+56%1970
Gray CatbirdMimidae442024+224%1970
Northern CardinalCardinalidae412024+550%1970
Barn SwallowHirundinidae412024+240%1970
American GoldfinchFringillidae352024+190%1970
Common GrackleIcteridae312024-51%1970
Common YellowthroatParulidae302024+143%1970
Indigo BuntingCardinalidae292024+292%1970
Baltimore OrioleIcteridae192024-21%1970
Henslow's SparrowPasserellidae181984n/an/a
Warbling VireoVireonidae152024+318%1970
Brown-headed CowbirdIcteridae142024-29%1970
Blue JayCorvidae122024-35%1970
Chipping SparrowPasserellidae122024+173%1970
Yellow WarblerParulidae122024+260%1970
Canada GooseAnatidae122023+33%1997
Rock PigeonColumbidae102024-54%1970
Red-bellied WoodpeckerPicidae102024+457%1973
Eastern Wood-PeweeTyrannidae102024+400%1970
KilldeerCharadriidae92024+100%1970
Sandhill CraneGruidae92024-43%2005
Cedar WaxwingBombycillidae82024+113%1971
Turkey VultureCathartidae72024+300%1996
DickcisselCardinalidae62024-49%1970
Yellow-throated VireoVireonidae52024+175%1974
White-breasted NuthatchSittidae52024+109%1970
Red-tailed HawkAccipitridae52021+40%1972
Red-eyed VireoVireonidae52024+175%1971
Chimney SwiftApodidae42024-62%1970
Eastern KingbirdTyrannidae42024-30%1970
Rose-breasted GrosbeakCardinalidae42024+25%1970
Eastern BluebirdTurdidae42024+175%1970

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