Sulphur-bellied Bulbul
Sulphur-billed Nuthatch
Sultan Tit
Summer Tanager
Sunbittern
Sungrebe
Superciliaried Hemispingus
Surucua Trogon
Swainson's Sparrow
Swainson's Thrush
Swallow Tanager
Swamp Flycatcher
Swamp Harrier
Swinhoe's Snipe