| Tooth-billed Bowerbird Scenopoeetes dentirostris | Passeriformes / Ptilonorhynchidae | NT |
| Winifred's Warbler Scepomycter winifredae | Passeriformes / Cisticolidae | NT |
| Rufous Vanga Schetba rufa | Passeriformes / Vangidae | LC |
| Foothill Schiffornis Schiffornis aenea | Passeriformes / Tityridae | LC |
| Varzea Schiffornis Schiffornis major | Passeriformes / Tityridae | LC |
| Guianan Schiffornis Schiffornis olivacea | Passeriformes / Tityridae | LC |
| Russet-winged Schiffornis Schiffornis stenorhyncha | Passeriformes / Tityridae | LC |
| Brown-winged Schiffornis Schiffornis turdina | Passeriformes / Tityridae | LC |
| Northern Schiffornis Schiffornis veraepacis | Passeriformes / Tityridae | LC |
| Greenish Schiffornis Schiffornis virescens | Passeriformes / Tityridae | LC |
| White-throated Daggerbill Schistes albogularis | Apodiformes / Trochilidae | LC |
| Geoffroy's Daggerbill Schistes geoffroyi | Apodiformes / Trochilidae | LC |
| Black-faced Tanager Schistochlamys melanopis | Passeriformes / Thraupidae | LC |
| Cinnamon Tanager Schistochlamys ruficapillus | Passeriformes / Thraupidae | LC |
| Sierra Leone Prinia Schistolais leontica | Passeriformes / Cisticolidae | EN |
| White-chinned Prinia Schistolais leucopogon | Passeriformes / Cisticolidae | LC |
| Broad-tailed Grassbird Schoenicola platyurus | Passeriformes / Locustellidae | NT |
| Bristled Grassbird Schoenicola striatus | Passeriformes / Locustellidae | VU |
| Chotoy Spinetail Schoeniophylax phryganophilus | Passeriformes / Furnariidae | LC |
| Black-crowned Fulvetta Schoeniparus klossi | Passeriformes / Pellorneidae | LC |
| Scarce Swift Schoutedenapus myoptilus | Apodiformes / Apodidae | LC |
| Northern Chestnut-tailed Antbird Sciaphylax castanea | Passeriformes / Thamnophilidae | LC |
| Southern Chestnut-tailed Antbird Sciaphylax hemimelaena | Passeriformes / Thamnophilidae | LC |
| Grosbeak Starling Scissirostrum dubium | Passeriformes / Sturnidae | LC |
| Silvered Antbird Sclateria naevia | Passeriformes / Thamnophilidae | LC |
| Grey-winged Francolin Scleroptila afra | Galliformes / Phasianidae | LC |
| Elgon Francolin Scleroptila elgonensis | Galliformes / Phasianidae | LC |
| Finsch's Francolin Scleroptila finschi | Galliformes / Phasianidae | LC |
| Orange River Francolin Scleroptila gutturalis | Galliformes / Phasianidae | LC |
| Red-winged Francolin Scleroptila levaillantii | Galliformes / Phasianidae | LC |
| Moorland Francolin Scleroptila psilolaema | Galliformes / Phasianidae | NT |
| Shelley's Francolin Scleroptila shelleyi | Galliformes / Phasianidae | LC |
| Ring-necked Francolin Scleroptila streptophora | Galliformes / Phasianidae | LC |
| Whyte's Francolin Scleroptila whytei | Galliformes / Phasianidae | LC |
| Grey-throated Leaftosser Sclerurus albigularis | Passeriformes / Furnariidae | LC |
| Black-tailed Leaftosser Sclerurus caudacutus | Passeriformes / Furnariidae | LC |
| Scaly-throated Leaftosser Sclerurus guatemalensis | Passeriformes / Furnariidae | LC |
| Tawny-throated Leaftosser Sclerurus mexicanus | Passeriformes / Furnariidae | NE |
| Dusky Leaftosser Sclerurus obscurior | Passeriformes / Furnariidae | NE |
| Short-billed Leaftosser Sclerurus rufigularis | Passeriformes / Furnariidae | LC |
| Rufous-breasted Leaftosser Sclerurus scansor | Passeriformes / Furnariidae | NE |
| Bukidnon Woodcock Scolopax bukidnonensis | Charadriiformes / Scolopacidae | LC |
| Sulawesi Woodcock Scolopax celebensis | Charadriiformes / Scolopacidae | LC |
| American Woodcock Scolopax minor | Charadriiformes / Scolopacidae | LC |
| Amami Woodcock Scolopax mira | Charadriiformes / Scolopacidae | VU |
| Moluccan Woodcock Scolopax rochussenii | Charadriiformes / Scolopacidae | VU |
| New Guinea Woodcock Scolopax rosenbergii | Charadriiformes / Scolopacidae | LC |
| Javan Woodcock Scolopax saturata | Charadriiformes / Scolopacidae | NT |
| Hamerkop Scopus umbretta | Pelecaniformes / Scopidae | LC |
| Streaked Scrub Warbler Scotocerca inquieta | Passeriformes / Cettiidae | LC |