BirdAnalyst
BBS Route · Wisconsin · BCR 23

Mather Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 156 species recorded across 49 survey years, still active.

156Species 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 →
49Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2023Span
7Observers

Bird Species Found on Wisconsin Mather

Top 40 of 156 species by most recent count. Each links to its species trend.

Species recorded on the Mather 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
VeeryTurdidae412023+22%1970
OvenbirdParulidae382023+66%1970
Cliff SwallowHirundinidae35202334×1971
Common YellowthroatParulidae342023-41%1970
Eastern Wood-PeweeTyrannidae262023+107%1970
American CrowCorvidae242023-39%1970
Eastern TowheePasserellidae242023-35%1970
Red-eyed VireoVireonidae242023+32%1970
American RobinTurdidae232023-41%1970
Sandhill CraneGruidae222023+150%1971
Yellow WarblerParulidae202023+21%1970
Gray CatbirdMimidae202023-19%1970
Tree SwallowHirundinidae172023-60%1970
Indigo BuntingCardinalidae152023-7%1970
Rock PigeonColumbidae152021+143%1995
Blue JayCorvidae142023-67%1970
Chipping SparrowPasserellidae142023+84%1970
Brown-headed CowbirdIcteridae132023-77%1970
Swamp SparrowPasserellidae132023-29%1970
Common RavenCorvidae132023+520%1990
Red-winged BlackbirdIcteridae122023-86%1970
Song SparrowPasserellidae122023-78%1970
Black-and-white WarblerParulidae102023+217%1970
American RedstartParulidae102023-15%1970
Mourning DoveColumbidae92023-14%1970
Wood ThrushTurdidae92023+40%1970
Yellow-bellied FlycatcherTyrannidae92003+125%2002
American GoldfinchFringillidae82023-56%1970
Cedar WaxwingBombycillidae82023-30%1970
Pine WarblerParulidae82023+367%1970
Scarlet TanagerCardinalidae72018-30%1970
Northern CardinalCardinalidae72023+375%1974
Wild TurkeyPhasianidae72023+240%1992
Blue-winged WarblerParulidae72023+500%1991
Ruby-throated HummingbirdTrochilidae62023+300%1973
Least FlycatcherTyrannidae62023+25%1970
Eastern PhoebeTyrannidae52023-59%1970
Rose-breasted GrosbeakCardinalidae52023-65%1970
Northern House WrenTroglodytidae52023-18%1970
Sedge WrenTroglodytidae52023-12%1970

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