| Buff-necked Ibis Theristicus caudatus | Pelecaniformes / Threskiornithidae | LC |
| Black-faced Ibis Theristicus melanopis | Pelecaniformes / Threskiornithidae | LC |
| Swamp Palm Bulbul Thescelocichla leucopleura | Passeriformes / Pycnonotidae | LC |
| Grey-breasted Seedsnipe Thinocorus orbignyianus | Charadriiformes / Thinocoridae | LC |
| Least Seedsnipe Thinocorus rumicivorus | Charadriiformes / Thinocoridae | LC |
| Hooded Plover Thinornis cucullatus | Charadriiformes / Charadriidae | VU |
| Forbes's Plover Thinornis forbesi | Charadriiformes / Charadriidae | LC |
| Black-fronted Dotterel Thinornis melanops | Charadriiformes / Charadriidae | LC |
| Shore Plover Thinornis novaeseelandiae | Charadriiformes / Charadriidae | EN |
| Three-banded Plover Thinornis tricollaris | Charadriiformes / Charadriidae | NE |
| Fulvous-headed Tanager Thlypopsis fulviceps | Passeriformes / Thraupidae | LC |
| Buff-bellied Tanager Thlypopsis inornata | Passeriformes / Thraupidae | LC |
| Rufous-chested Tanager Thlypopsis ornata | Passeriformes / Thraupidae | LC |
| Brown-flanked Tanager Thlypopsis pectoralis | Passeriformes / Thraupidae | LC |
| Chestnut-headed Tanager Thlypopsis pyrrhocoma | Passeriformes / Thraupidae | LC |
| Rust-and-yellow Tanager Thlypopsis ruficeps | Passeriformes / Thraupidae | LC |
| Orange-headed Tanager Thlypopsis sordida | Passeriformes / Thraupidae | LC |
| Superciliaried Hemispingus Thlypopsis superciliaris | Passeriformes / Thraupidae | LC |
| Yellow-winged Tanager Thraupis abbas | Passeriformes / Thraupidae | LC |
| Azure-shouldered Tanager Thraupis cyanoptera | Passeriformes / Thraupidae | LC |
| Blue-grey Tanager Thraupis episcopus | Passeriformes / Thraupidae | LC |
| Glaucous Tanager Thraupis glaucocolpa | Passeriformes / Thraupidae | LC |
| Golden-chevroned Tanager Thraupis ornata | Passeriformes / Thraupidae | LC |
| Palm Tanager Thraupis palmarum | Passeriformes / Thraupidae | LC |
| Sayaca Tanager Thraupis sayaca | Passeriformes / Thraupidae | LC |
| Pale-tailed Barbthroat Threnetes leucurus | Apodiformes / Trochilidae | LC |
| Sooty Barbthroat Threnetes niger | Apodiformes / Trochilidae | LC |
| Band-tailed Barbthroat Threnetes ruckeri | Apodiformes / Trochilidae | LC |
| African Sacred Ibis Threskiornis aethiopicus | Pelecaniformes / Threskiornithidae | LC |
| Malagasy Sacred Ibis Threskiornis bernieri | Pelecaniformes / Threskiornithidae | EN |
| Australian White Ibis Threskiornis molucca | Pelecaniformes / Threskiornithidae | LC |
| Reunion Ibis Threskiornis solitarius | Pelecaniformes / Threskiornithidae | EX |
| Straw-necked Ibis Threskiornis spinicollis | Pelecaniformes / Threskiornithidae | LC |
| Flammulated Treehunter Thripadectes flammulatus | Passeriformes / Furnariidae | LC |
| Striped Treehunter Thripadectes holostictus | Passeriformes / Furnariidae | LC |
| Uniform Treehunter Thripadectes ignobilis | Passeriformes / Furnariidae | LC |
| Black-billed Treehunter Thripadectes melanorhynchus | Passeriformes / Furnariidae | LC |
| Streak-breasted Treehunter Thripadectes rufobrunneus | Passeriformes / Furnariidae | LC |
| Peruvian Treehunter Thripadectes scrutator | Passeriformes / Furnariidae | LC |
| Streak-capped Treehunter Thripadectes virgaticeps | Passeriformes / Furnariidae | LC |
| Delta Amacuro Softtail Thripophaga amacurensis | Passeriformes / Furnariidae | VU |
| Orinoco Softtail Thripophaga cherriei | Passeriformes / Furnariidae | VU |
| Plain Softtail Thripophaga fusciceps | Passeriformes / Furnariidae | LC |
| Speckled Spinetail Thripophaga gutturata | Passeriformes / Furnariidae | LC |
| Striated Softtail Thripophaga macroura | Passeriformes / Furnariidae | VU |
| Bewick's Wren Thryomanes bewickii | Passeriformes / Troglodytidae | LC |
| Niceforo's Wren Thryophilus nicefori | Passeriformes / Troglodytidae | CR |
| Banded Wren Thryophilus pleurostictus | Passeriformes / Troglodytidae | LC |
| Rufous-and-white Wren Thryophilus rufalbus | Passeriformes / Troglodytidae | LC |
| Antioquia Wren Thryophilus sernai | Passeriformes / Troglodytidae | VU |