BBS Route · Tennessee · BCR 27
Trenton Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 96 species recorded across 42 survey years, still active.
96Species Recorded
42Years Surveyed
1966–2023Span
4Observers
Bird Species Found on Tennessee Trenton
Top 40 of 96 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Indigo Bunting | Cardinalidae | 56 | 2023 | +12% | 1968 | |
| Northern Cardinal | Cardinalidae | 39 | 2023 | -52% | 1968 | |
| Cliff Swallow | Hirundinidae | 30 | 2023 | +400% | 2021 | |
| American Crow | Corvidae | 29 | 2023 | +20% | 1968 | |
| Carolina Wren | Troglodytidae | 28 | 2023 | +425% | 1968 | |
| Tufted Titmouse | Paridae | 26 | 2023 | +205% | 1968 | |
| Rock Pigeon | Columbidae | 25 | 2011 | +225% | 1986 | |
| Yellow-breasted Chat | Icteriidae | 17 | 2023 | +107% | 1968 | |
| Mourning Dove | Columbidae | 15 | 2023 | -61% | 1968 | |
| Blue Jay | Corvidae | 15 | 2023 | -46% | 1968 | |
| Brown-headed Cowbird | Icteridae | 15 | 2023 | +193% | 1968 | |
| Western Cattle-Egret | Ardeidae | 15 | 1992 | n/a | n/a | |
| Eastern Wood-Pewee | Tyrannidae | 13 | 2023 | +255% | 1968 | |
| Red-bellied Woodpecker | Picidae | 12 | 2023 | +100% | 1969 | |
| Chipping Sparrow | Passerellidae | 12 | 2023 | +178% | 2002 | |
| Northern Mockingbird | Mimidae | 11 | 2023 | -67% | 1968 | |
| Eastern Towhee | Passerellidae | 10 | 2023 | -3% | 1968 | |
| Eastern Bluebird | Turdidae | 10 | 2023 | +380% | 1968 | |
| Loggerhead Shrike | Laniidae | 9 | 1990 | +22% | 1968 | |
| American Robin | Turdidae | 8 | 2023 | -29% | 1968 | |
| Dickcissel | Cardinalidae | 8 | 2011 | +47% | 1972 | |
| Blue Grosbeak | Cardinalidae | 8 | 2023 | +475% | 1975 | |
| Northern Parula | Parulidae | 8 | 2023 | +633% | 1990 | |
| Common Yellowthroat | Parulidae | 7 | 2023 | -47% | 1968 | |
| Gray Catbird | Mimidae | 7 | 2005 | +71% | 1968 | |
| Cedar Waxwing | Bombycillidae | 7 | 2005 | +75% | 2002 | |
| Yellow-billed Cuckoo | Cuculidae | 6 | 2023 | +0% | 1968 | |
| Red-winged Blackbird | Icteridae | 6 | 2023 | -39% | 1968 | |
| Field Sparrow | Passerellidae | 6 | 2023 | -71% | 1968 | |
| Eastern Phoebe | Tyrannidae | 5 | 2023 | +100% | 1972 | |
| American Goldfinch | Fringillidae | 5 | 2023 | -33% | 2001 | |
| Horned Lark | Alaudidae | 5 | 2007 | +250% | 2002 | |
| Turkey Vulture | Cathartidae | 4 | 2023 | +133% | 1981 | |
| Carolina Chickadee | Paridae | 4 | 2023 | +125% | 1974 | |
| Red-shouldered Hawk | Accipitridae | 4 | 2023 | +125% | 2001 | |
| Northern Rough-winged Swallow | Hirundinidae | 4 | 2011 | +100% | 2004 | |
| Northern Bobwhite | Odontophoridae | 3 | 2023 | -93% | 1968 | |
| Red-tailed Hawk | Accipitridae | 3 | 2010 | +167% | 1982 | |
| Chuck-will's-widow | Caprimulgidae | 3 | 2011 | -14% | 1970 | |
| Summer Tanager | Cardinalidae | 3 | 2023 | +25% | 1968 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.