BBS Route · Wisconsin · BCR 23
Unity Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 134 species recorded across 54 survey years, still active.
134Species Recorded
54Years Surveyed
1967–2024Span
7Observers
Bird Species Found on Wisconsin Unity
Top 40 of 134 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 176 | 2024 | -58% | 1970 | |
| American Robin | Turdidae | 56 | 2024 | +93% | 1970 | |
| European Starling | Sturnidae | 49 | 2024 | -70% | 1970 | |
| American Crow | Corvidae | 41 | 2024 | -46% | 1970 | |
| Mourning Dove | Columbidae | 38 | 2024 | +347% | 1970 | |
| Rock Pigeon | Columbidae | 37 | 2024 | +171% | 1974 | |
| House Sparrow | Passeridae | 35 | 2024 | -78% | 1970 | |
| Common Yellowthroat | Parulidae | 20 | 2024 | -17% | 1970 | |
| Song Sparrow | Passerellidae | 19 | 2024 | -18% | 1970 | |
| Red-eyed Vireo | Vireonidae | 16 | 2024 | +329% | 1970 | |
| Common Grackle | Icteridae | 14 | 2024 | -63% | 1970 | |
| Chipping Sparrow | Passerellidae | 12 | 2024 | +271% | 1970 | |
| Veery | Turdidae | 12 | 2024 | +0% | 1970 | |
| Mallard | Anatidae | 11 | 2024 | +40% | 1974 | |
| Wild Turkey | Phasianidae | 11 | 2024 | +483% | 2002 | |
| Yellow Warbler | Parulidae | 10 | 2024 | +244% | 1970 | |
| Killdeer | Charadriidae | 9 | 2024 | -60% | 1970 | |
| Ring-necked Pheasant | Phasianidae | 9 | 2024 | +825% | 1974 | |
| American Goldfinch | Fringillidae | 9 | 2024 | -25% | 1970 | |
| Indigo Bunting | Cardinalidae | 9 | 2024 | +35% | 1970 | |
| Cliff Swallow | Hirundinidae | 9 | 2023 | -44% | 1970 | |
| Ovenbird | Parulidae | 9 | 2024 | -38% | 1970 | |
| Sedge Wren | Troglodytidae | 8 | 2024 | +15% | 1970 | |
| Eastern Meadowlark | Icteridae | 7 | 2024 | -77% | 1970 | |
| Rose-breasted Grosbeak | Cardinalidae | 7 | 2024 | +120% | 1970 | |
| Northern House Wren | Troglodytidae | 7 | 2024 | +214% | 1970 | |
| Canada Goose | Anatidae | 7 | 2024 | +492% | 1992 | |
| Dickcissel | Cardinalidae | 6 | 2023 | +244% | 1973 | |
| Sandhill Crane | Gruidae | 6 | 2024 | +750% | 1979 | |
| Barn Swallow | Hirundinidae | 5 | 2024 | -68% | 1970 | |
| Bank Swallow | Hirundinidae | 5 | 2009 | +0% | 1971 | |
| Swamp Sparrow | Passerellidae | 5 | 2024 | +250% | 1973 | |
| Yellow-billed Cuckoo | Cuculidae | 5 | 2021 | +125% | 1983 | |
| Northern Cardinal | Cardinalidae | 5 | 2024 | +500% | 1988 | |
| Red-bellied Woodpecker | Picidae | 5 | 2022 | +200% | 2005 | |
| Least Flycatcher | Tyrannidae | 4 | 2024 | +67% | 1970 | |
| Brewer's Blackbird | Icteridae | 4 | 2023 | -88% | 1970 | |
| Tree Swallow | Hirundinidae | 4 | 2024 | +143% | 1971 | |
| Cedar Waxwing | Bombycillidae | 4 | 2024 | +157% | 1972 | |
| Black-and-white Warbler | Parulidae | 4 | 2023 | +75% | 1972 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.