BirdAnalyst
BBS Route · Wisconsin · BCR 23

Dresser Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 150 species recorded across 58 survey years, still active.

150Species 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 →
58Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
8Observers

Bird Species Found on Wisconsin Dresser

Top 40 of 150 species by most recent count. Each links to its species trend.

Species recorded on the Dresser 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 CrowCorvidae572025+73%1968
Red-winged BlackbirdIcteridae562025-13%1968
American RobinTurdidae532025+33%1968
European StarlingSturnidae372025+12%1968
Mourning DoveColumbidae222025+0%1968
Northern CardinalCardinalidae22202515×1974
Brown-headed CowbirdIcteridae202025-42%1968
Common GrackleIcteridae202025-49%1968
Barn SwallowHirundinidae202025+2%1968
Song SparrowPasserellidae172025-12%1968
Rock PigeonColumbidae152025-15%1968
Common YellowthroatParulidae142025+37%1968
Black-capped ChickadeeParidae142024+767%1971
Indigo BuntingCardinalidae132025+6%1968
Rose-breasted GrosbeakCardinalidae122025-17%1968
Ring-necked PheasantPhasianidae112025+250%1970
Yellow WarblerParulidae112025+79%1968
Red-eyed VireoVireonidae102025+7%1968
Gray CatbirdMimidae102025+60%1968
Northern House WrenTroglodytidae102025+172%1968
Chipping SparrowPasserellidae92025+94%1968
Great Crested FlycatcherTyrannidae82025-16%1968
American GoldfinchFringillidae82025+13%1968
Ring-billed GullLaridae81993+700%1987
Sandhill CraneGruidae82025+463%1997
Baltimore OrioleIcteridae72025-71%1968
Trumpeter SwanAnatidae72024+329%2015
Brown ThrasherMimidae62025-53%1968
White-breasted NuthatchSittidae62025+350%1968
Tree SwallowHirundinidae52025+69%1968
Bank SwallowHirundinidae52021-57%1969
American RedstartParulidae52023+83%1972
House SparrowPasseridae52025-71%1968
Yellow-throated VireoVireonidae52025+0%1969
KilldeerCharadriidae42025-33%1968
Blue JayCorvidae42025-18%1968
Cliff SwallowHirundinidae42025+3%1968
Cedar WaxwingBombycillidae42025+18%1968
Canada GooseAnatidae42025+530%1982
Lincoln's SparrowPasserellidae41988+100%1987

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