BBS Route · Wisconsin · BCR 23

Stratford Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 112 species recorded across 55 survey years, still active.

Bird Species Found on Wisconsin Stratford

Top 40 of 112 species by most recent count. Each links to its species trend.

Species recorded on the Stratford 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 BlackbirdIcteridae2322024+136%1968
European StarlingSturnidae1472024+458%1968
House SparrowPasseridae1202024+48%1968
American RobinTurdidae772024+321%1968
Common GrackleIcteridae432024+314%1968
Song SparrowPasserellidae382024+300%1968
Common YellowthroatParulidae34202416×1968
Mourning DoveColumbidae332024+606%1968
KilldeerCharadriidae292024+167%1968
Brown-headed CowbirdIcteridae282024+28%1969
American CrowCorvidae232024-25%1968
American GoldfinchFringillidae222024+600%1969
Chipping SparrowPasserellidae222024+730%1969
Barn SwallowHirundinidae222024+163%1968
Northern House WrenTroglodytidae182024+450%1968
DickcisselCardinalidae17202318×1992
Savannah SparrowPasserellidae152024-78%1968
Rock PigeonColumbidae142024+83%1968
Warbling VireoVireonidae132024+367%1968
Cedar WaxwingBombycillidae132024+225%1972
Eastern MeadowlarkIcteridae112024+96%1980
Black-capped ChickadeeParidae112024+280%1989
Eastern Wood-PeweeTyrannidae92024+600%1970
Rose-breasted GrosbeakCardinalidae92024+233%1970
Yellow WarblerParulidae92024+467%1971
Brewer's BlackbirdIcteridae92013-74%1970
Sandhill CraneGruidae92024+475%2004
Blue JayCorvidae82024+833%1968
Baltimore OrioleIcteridae82024+575%1968
MallardAnatidae82024-56%1977
Chimney SwiftApodidae82024+160%1977
Red-eyed VireoVireonidae82024+375%1976
BobolinkIcteridae72024-71%1968
Cliff SwallowHirundinidae72024-8%1968
Indigo BuntingCardinalidae62024+600%1980
House FinchFringillidae62024+100%1996
Wild TurkeyPhasianidae62023+0%2003
Horned LarkAlaudidae52024+90%1970
Eastern KingbirdTyrannidae52024+300%1970
Northern CardinalCardinalidae52024+360%1986

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