BBS Route · Wisconsin · BCR 12

Mellen Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 111 species recorded across 22 survey years, still active.

Bird Species Found on Wisconsin Mellen

Top 40 of 111 species by most recent count. Each links to its species trend.

Species recorded on the Mellen 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
OvenbirdParulidae1242024+219%2003
Red-eyed VireoVireonidae912024+121%2003
VeeryTurdidae362024+226%2003
Song SparrowPasserellidae292024+66%2003
Chestnut-sided WarblerParulidae292024+91%2003
American RobinTurdidae252024+55%2003
Yellow-bellied SapsuckerPicidae182024+226%2003
Blue JayCorvidae182024+0%2003
Cedar WaxwingBombycillidae182024-34%2003
Black-and-white WarblerParulidae182024+148%2003
Least FlycatcherTyrannidae172024+188%2003
Common YellowthroatParulidae162024+13%2003
Mourning WarblerParulidae152024+72%2003
American CrowCorvidae142024+5%2003
Rose-breasted GrosbeakCardinalidae132024+41%2003
Black-throated Green WarblerParulidae132024+31%2003
Wood ThrushTurdidae132024+150%2003
American RedstartParulidae122024+42%2003
Indigo BuntingCardinalidae112024-11%2003
Black-capped ChickadeeParidae112024+11%2003
Hermit ThrushTurdidae112024+60%2003
Chipping SparrowPasserellidae92024+26%2003
Nashville WarblerParulidae82024+14%2006
Sandhill CraneGruidae82023+150%2011
Red CrossbillFringillidae82024+100%2018
Eastern Wood-PeweeTyrannidae72024+33%2003
Red-winged BlackbirdIcteridae62024-66%2003
American GoldfinchFringillidae62024-71%2003
White-throated SparrowPasserellidae62024-48%2003
Blackburnian WarblerParulidae62024+90%2007
Common GrackleIcteridae52024-39%2005
Canada WarblerParulidae52024+138%2005
Winter WrenTroglodytidae52024-59%2003
Red-breasted NuthatchSittidae52024+50%2003
Mourning DoveColumbidae42024-23%2003
Pileated WoodpeckerPicidae42024-33%2003
Eastern PhoebeTyrannidae42024-50%2003
Alder FlycatcherTyrannidae42024+30%2003
Common RavenCorvidae42024-29%2003
Eastern MeadowlarkIcteridae42002+300%1998

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