BBS Route · Tennessee · BCR 24
Union Hill Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 104 species recorded across 55 survey years, still active.
104Species Recorded
55Years Surveyed
1967–2024Span
5Observers
Bird Species Found on Tennessee Union Hill
Top 40 of 104 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Indigo Bunting | Cardinalidae | 58 | 2024 | -39% | 1969 | |
| European Starling | Sturnidae | 49 | 2024 | +1% | 1969 | |
| Mourning Dove | Columbidae | 46 | 2024 | -24% | 1969 | |
| American Crow | Corvidae | 43 | 2024 | -29% | 1969 | |
| Northern Cardinal | Cardinalidae | 31 | 2024 | -19% | 1969 | |
| Eastern Meadowlark | Icteridae | 27 | 2024 | -59% | 1969 | |
| Carolina Wren | Troglodytidae | 23 | 2024 | +100% | 1969 | |
| Chipping Sparrow | Passerellidae | 22 | 2024 | -35% | 1969 | |
| Red-bellied Woodpecker | Picidae | 21 | 2024 | +13% | 1969 | |
| Red-winged Blackbird | Icteridae | 20 | 2024 | +64% | 1969 | |
| Eastern Bluebird | Turdidae | 18 | 2024 | +11% | 1969 | |
| Field Sparrow | Passerellidae | 16 | 2024 | -76% | 1969 | |
| American Robin | Turdidae | 16 | 2024 | +18% | 1969 | |
| Northern Mockingbird | Mimidae | 15 | 2024 | -69% | 1969 | |
| Barn Swallow | Hirundinidae | 11 | 2024 | -79% | 1969 | |
| Blue Grosbeak | Cardinalidae | 11 | 2024 | +350% | 1971 | |
| Song Sparrow | Passerellidae | 11 | 2024 | +820% | 1984 | |
| Eastern Wood-Pewee | Tyrannidae | 10 | 2024 | +8% | 1969 | |
| Purple Martin | Hirundinidae | 10 | 2024 | +50% | 1969 | |
| Brown Thrasher | Mimidae | 10 | 2024 | +25% | 1969 | |
| Eastern Phoebe | Tyrannidae | 9 | 2024 | +30% | 1969 | |
| Brown-headed Cowbird | Icteridae | 9 | 2024 | -38% | 1969 | |
| Eastern Towhee | Passerellidae | 9 | 2024 | -41% | 1969 | |
| Yellow-billed Cuckoo | Cuculidae | 8 | 2024 | -63% | 1969 | |
| Blue Jay | Corvidae | 8 | 2024 | -68% | 1969 | |
| White-eyed Vireo | Vireonidae | 8 | 2024 | -13% | 1969 | |
| Common Yellowthroat | Parulidae | 8 | 2024 | -31% | 1969 | |
| Carolina Chickadee | Paridae | 8 | 2024 | +29% | 1969 | |
| Black Vulture | Cathartidae | 8 | 2024 | +233% | 2012 | |
| White-breasted Nuthatch | Sittidae | 7 | 2024 | +175% | 1976 | |
| Northern Parula | Parulidae | 7 | 2024 | +600% | 1986 | |
| Canada Goose | Anatidae | 7 | 2021 | +125% | 2003 | |
| Orchard Oriole | Icteridae | 6 | 2024 | -56% | 1969 | |
| Red-eyed Vireo | Vireonidae | 6 | 2024 | +17% | 1969 | |
| Tufted Titmouse | Paridae | 6 | 2024 | -19% | 1969 | |
| Blue-gray Gnatcatcher | Polioptilidae | 6 | 2024 | -23% | 1969 | |
| House Sparrow | Passeridae | 5 | 2024 | -84% | 1969 | |
| Red-headed Woodpecker | Picidae | 5 | 2023 | +333% | 1982 | |
| Eurasian Collared-Dove | Columbidae | 5 | 2024 | +20% | 2021 | |
| Downy Woodpecker | Picidae | 4 | 2024 | -44% | 1969 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.