BBS Route · Wisconsin · BCR 12
Chaffey Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 139 species recorded across 53 survey years, still active.
139Species Recorded
53Years Surveyed
1966–2024Span
8Observers
Bird Species Found on Wisconsin Chaffey
Top 40 of 139 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-eyed Vireo | Vireonidae | 55 | 2024 | +215% | 1968 | |
| Ovenbird | Parulidae | 30 | 2024 | -35% | 1968 | |
| Veery | Turdidae | 27 | 2024 | -34% | 1968 | |
| Common Yellowthroat | Parulidae | 24 | 2024 | -61% | 1968 | |
| American Robin | Turdidae | 24 | 2024 | +28% | 1968 | |
| Song Sparrow | Passerellidae | 15 | 2024 | -53% | 1968 | |
| Chestnut-sided Warbler | Parulidae | 14 | 2024 | +21% | 1968 | |
| Black-billed Cuckoo | Cuculidae | 11 | 2022 | +160% | 1968 | |
| Cliff Swallow | Hirundinidae | 10 | 2013 | -71% | 1968 | |
| Wood Thrush | Turdidae | 10 | 2024 | +7% | 1969 | |
| American Crow | Corvidae | 8 | 2024 | -59% | 1968 | |
| Red-winged Blackbird | Icteridae | 7 | 2024 | +0% | 1968 | |
| Ring-billed Gull | Laridae | 7 | 2016 | +100% | 1988 | |
| Alder Flycatcher | Tyrannidae | 5 | 2023 | -88% | 1968 | |
| Common Raven | Corvidae | 5 | 2024 | +83% | 1969 | |
| European Starling | Sturnidae | 5 | 2024 | -74% | 1968 | |
| American Goldfinch | Fringillidae | 5 | 2024 | -77% | 1968 | |
| Yellow Warbler | Parulidae | 5 | 2024 | -33% | 1968 | |
| Mourning Warbler | Parulidae | 5 | 2024 | -80% | 1968 | |
| Hermit Thrush | Turdidae | 5 | 2024 | +33% | 1968 | |
| Blue-headed Vireo | Vireonidae | 5 | 2024 | +200% | 1983 | |
| Mourning Dove | Columbidae | 4 | 2024 | +0% | 1968 | |
| Hairy Woodpecker | Picidae | 4 | 2024 | +40% | 1968 | |
| Bobolink | Icteridae | 4 | 2023 | -23% | 1969 | |
| Black-and-white Warbler | Parulidae | 4 | 2024 | +63% | 1970 | |
| Northern House Wren | Troglodytidae | 4 | 2024 | -59% | 1968 | |
| Blue Jay | Corvidae | 4 | 2024 | -69% | 1969 | |
| Sandhill Crane | Gruidae | 4 | 2022 | n/a | n/a | |
| Savannah Sparrow | Passerellidae | 3 | 2024 | -79% | 1968 | |
| White-throated Sparrow | Passerellidae | 3 | 2024 | -83% | 1968 | |
| Indigo Bunting | Cardinalidae | 3 | 2024 | -42% | 1975 | |
| Gray Catbird | Mimidae | 3 | 2024 | -67% | 1968 | |
| Ruffed Grouse | Phasianidae | 3 | 1998 | -50% | 1969 | |
| Yellow-bellied Sapsucker | Picidae | 3 | 2024 | +67% | 1969 | |
| Red-breasted Nuthatch | Sittidae | 3 | 2023 | +20% | 1972 | |
| Northern Rough-winged Swallow | Hirundinidae | 3 | 2015 | +120% | 1984 | |
| Vesper Sparrow | Passerellidae | 3 | 1995 | -43% | 1976 | |
| Northern Waterthrush | Parulidae | 3 | 2013 | +25% | 1981 | |
| Rock Pigeon | Columbidae | 3 | 2024 | +0% | 1991 | |
| Killdeer | Charadriidae | 2 | 2016 | -44% | 1968 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.