BirdAnalyst
BBS Route · Wisconsin · BCR 23

Esdaile Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 129 species recorded across 55 survey years, still active.

129Species 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 →
55Years 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
7Observers

Bird Species Found on Wisconsin Esdaile

Top 40 of 129 species by most recent count. Each links to its species trend.

Species recorded on the Esdaile 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 BlackbirdIcteridae1172025+2%1968
European StarlingSturnidae562025-29%1968
Cliff SwallowHirundinidae482025+491%1975
American CrowCorvidae362025+37%1968
American RobinTurdidae322025+0%1968
Mourning DoveColumbidae232025-45%1968
Baltimore OrioleIcteridae232025-34%1968
Rock PigeonColumbidae222025+365%1968
Common GrackleIcteridae222025-72%1968
Canada GooseAnatidae22202514×2006
Double-crested CormorantPhalacrocoracidae192022+450%1999
House SparrowPasseridae182025-64%1968
Eastern Wood-PeweeTyrannidae162025-12%1968
Red-bellied WoodpeckerPicidae152025+54%1968
Yellow WarblerParulidae142025-28%1968
Gray CatbirdMimidae142025-60%1968
Song SparrowPasserellidae132025+0%1968
Indigo BuntingCardinalidae122025-52%1968
Warbling VireoVireonidae122025-22%1968
American RedstartParulidae122025+378%1970
Red-headed WoodpeckerPicidae112015-24%1968
Northern Rough-winged SwallowHirundinidae102025-13%1969
Common YellowthroatParulidae102025+95%1968
Trumpeter SwanAnatidae102022n/an/a
Great Crested FlycatcherTyrannidae72025-39%1968
Brown-headed CowbirdIcteridae72025-70%1968
Barn SwallowHirundinidae72025+88%1968
Blue JayCorvidae62025-47%1968
American GoldfinchFringillidae62025-56%1968
Chipping SparrowPasserellidae62025+6%1968
Field SparrowPasserellidae62025-46%1968
Eastern TowheePasserellidae62025+36%1968
Rose-breasted GrosbeakCardinalidae62025-55%1968
Northern House WrenTroglodytidae62025-52%1968
Downy WoodpeckerPicidae52015+0%1969
Northern CardinalCardinalidae52025-33%1968
Cedar WaxwingBombycillidae52025-78%1969
Red-eyed VireoVireonidae52025+90%1968
White-breasted NuthatchSittidae52025-42%1969
Sandhill CraneGruidae52021n/an/a

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