- Saddle-billed Stork
- Sanderling
- Sardinian Warbler
- Scarlet-rumped Tanager
- Scarlet Macaw
- Secretarybird
- Sedge Warbler
- Senegal Coucal
- Senegal Lapwing
- Senegal Parrot
- Senegal Thick-knee
- Shaft-tailed Whydah
- Shoebill
- Short-toed Treecreeper
- Silver-throated Tanager
- Silverbird
- Silvery-cheeked Hornbill
- Slate-throated Whitestart
- Slaty-tailed Trogon
- Slender-billed Weaver
- Snowy-crowned Robin-Chat
- Sociable Weaver
- Song Thrush
- Sooty-capped Chlorospingus
- Sooty Thrush
- Southern Carmine Bee-eater
- Southern Ground Hornbill
- Southern House Wren
- Southern Lapwing
- Southern Masked Weaver
- Southern Red-billed Hornbill
- Southern White-crowned Shrike
- Southern Yellow-billed Hornbill
- Spanish Sparrow
- Speckle-fronted Weaver
- Speckled Mousebird
- Speckled Pigeon
- Spectacled Warbler
- Splendid Starling
- Splendid Sunbird
- Spotted Flycatcher
- Spotted Palm Thrush
- Spotted Sandpiper
- Spur-winged Goose
- Spur-winged Lapwing
- Squacco Heron
- Stout-billed Cinclodes
- Streaky Seedeater
- Striped Kingfisher
- Summer Tanager
- Sun Lark
- Superb Starling
- Swainson's Spurfowl
- Swallow-tailed Bee-eater
- Swallow-tailed Kite
- Swamp Boubou
- Swamp Flycatcher
- Swan Goose