Guild · Ohio · BBS 2025 Release · 1966–2024
Generalists In Ohio
50 species in this guild. As a group they are -49% since 1968.
Guild Signals
guild collapsecomputed index
Generalists as a group have declined in Ohio, down 49% since 1968.
Forecast
If the recent trend holds, Generalists in Ohio is projected to fall about 28% by 2029 — from 12 in 2024 to a central estimate of 8.5 (95% range 5.7–11). A 5-year backtest shows a typical error of ±19.1%, with 80% of held-out values landing inside the 95% band.
-28%Change by 2029
8.5Projected 2029 index
5.7–1195% range
±19.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 9.4 | 6.6 | 12 |
| 2026 | 9.2 | 6.4 | 12 |
| 2027 | 8.9 | 6.1 | 12 |
| 2028 | 8.7 | 5.9 | 12 |
| 2029 | 8.5 | 5.7 | 11 |
Member Species In Ohio
| Summer Tanager | Cardinalidae | -80% |
| Loggerhead Shrike | Laniidae | -79% |
| House Sparrow | Passeridae | -77% |
| Red-winged Blackbird | Icteridae | -75% |
| Yellow-breasted Chat | Icteriidae | -69% |
| Field Sparrow | Passerellidae | -67% |
| Black-billed Cuckoo | Cuculidae | -65% |
| Common Grackle | Icteridae | -61% |
| Rock Pigeon | Columbidae | -58% |
| Ruffed Grouse | Phasianidae | -40% |
| Brown Thrasher | Mimidae | -40% |
| European Starling | Sturnidae | -40% |
| Sharp-shinned Hawk | Accipitridae | -28% |
| Song Sparrow | Passerellidae | -12% |
| Baltimore Oriole | Icteridae | -4% |
| Brown-headed Cowbird | Icteridae | -2% |
| American Goldfinch | Fringillidae | +1% |
| Northern Harrier | Accipitridae | +7% |
| Purple Finch | Fringillidae | +12% |
| Indigo Bunting | Cardinalidae | +13% |
| Northern Mockingbird | Mimidae | +16% |
| Belted Kingfisher | Alcedinidae | +17% |
| Eastern Screech-Owl | Strigidae | +21% |
| American Crow | Corvidae | +29% |
| Yellow-billed Cuckoo | Cuculidae | +31% |
| American Kestrel | Falconidae | +38% |
| Mourning Dove | Columbidae | +48% |
| Eastern Towhee | Passerellidae | +54% |
| Great Horned Owl | Strigidae | +62% |
| Swamp Sparrow | Passerellidae | +65% |
| Blue Jay | Corvidae | +73% |
| Cooper's Hawk | Accipitridae | +78% |
| Northern Cardinal | Cardinalidae | +107% |
| Gray Catbird | Mimidae | +140% |
| Barred Owl | Strigidae | +144% |
| Chipping Sparrow | Passerellidae | +162% |
| Broad-winged Hawk | Accipitridae | +201% |
| Rose-breasted Grosbeak | Cardinalidae | +247% |
| Scarlet Tanager | Cardinalidae | +254% |
| Ruby-throated Hummingbird | Trochilidae | +338% |
| Cedar Waxwing | Bombycillidae | +372% |
| Orchard Oriole | Icteridae | +377% |
| Red-tailed Hawk | Accipitridae | +407% |
| Bald Eagle | Accipitridae | +734% |
| Turkey Vulture | Cathartidae | +739% |
| Wild Turkey | Phasianidae | +824% |
| Red-shouldered Hawk | Accipitridae | 13× |
| Black Vulture | Cathartidae | 14× |
| Blue Grosbeak | Cardinalidae | 15× |
| House Finch | Fringillidae | 40× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.