Guild · Vermont · BBS 2025 Release · 1966–2024
Generalists In Vermont
47 species in this guild. As a group they are -53% since 1968.
Guild Signals
guild collapsecomputed index
Generalists as a group have fallen sharply in Vermont, down 53% since 1968.
Forecast
If the recent trend holds, Generalists in Vermont is projected to fall about 33% by 2029 — from 5.5 in 2024 to a central estimate of 3.7 (95% range 2.3–5.1). A 5-year backtest shows a typical error of ±10%, with 80% of held-out values landing inside the 95% band.
-33%Change by 2029
3.7Projected 2029 index
2.3–5.195% range
±10%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.2 | 2.8 | 5.5 |
| 2026 | 4.0 | 2.7 | 5.4 |
| 2027 | 3.9 | 2.5 | 5.3 |
| 2028 | 3.8 | 2.4 | 5.2 |
| 2029 | 3.7 | 2.3 | 5.1 |
Member Species In Vermont
| Eastern Towhee | Passerellidae | -91% |
| Field Sparrow | Passerellidae | -87% |
| House Sparrow | Passeridae | -85% |
| Black-billed Cuckoo | Cuculidae | -82% |
| Baltimore Oriole | Icteridae | -82% |
| White-throated Sparrow | Passerellidae | -81% |
| European Starling | Sturnidae | -79% |
| Brown-headed Cowbird | Icteridae | -77% |
| Brown Thrasher | Mimidae | -75% |
| American Kestrel | Falconidae | -73% |
| Evening Grosbeak | Fringillidae | -71% |
| Pine Siskin | Fringillidae | -69% |
| Purple Finch | Fringillidae | -68% |
| Red-winged Blackbird | Icteridae | -66% |
| Common Grackle | Icteridae | -63% |
| Lincoln's Sparrow | Passerellidae | -59% |
| Red-tailed Hawk | Accipitridae | -54% |
| Belted Kingfisher | Alcedinidae | -49% |
| Rose-breasted Grosbeak | Cardinalidae | -48% |
| American Goldfinch | Fringillidae | -44% |
| Northern Mockingbird | Mimidae | -40% |
| Scarlet Tanager | Cardinalidae | -33% |
| Yellow-billed Cuckoo | Cuculidae | -27% |
| Blue Jay | Corvidae | -19% |
| Ruffed Grouse | Phasianidae | -19% |
| Song Sparrow | Passerellidae | -17% |
| Cooper's Hawk | Accipitridae | -13% |
| Chipping Sparrow | Passerellidae | -9% |
| Northern Harrier | Accipitridae | -5% |
| American Crow | Corvidae | -2% |
| Gray Catbird | Mimidae | +11% |
| Ruby-throated Hummingbird | Trochilidae | +11% |
| Rock Pigeon | Columbidae | +15% |
| Swamp Sparrow | Passerellidae | +28% |
| Indigo Bunting | Cardinalidae | +33% |
| Sharp-shinned Hawk | Accipitridae | +48% |
| Cedar Waxwing | Bombycillidae | +51% |
| House Finch | Fringillidae | +66% |
| Red-shouldered Hawk | Accipitridae | +81% |
| Broad-winged Hawk | Accipitridae | +216% |
| Osprey | Pandionidae | +292% |
| Barred Owl | Strigidae | +327% |
| Mourning Dove | Columbidae | +394% |
| Turkey Vulture | Cathartidae | +492% |
| Northern Cardinal | Cardinalidae | +869% |
| Wild Turkey | Phasianidae | 21× |
| Common Raven | Corvidae | 26× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.