- Sparrow
- Starling
- Swallow
- Seagull
- Sandpiper
- Snowy Owl
- Scarlet Tanager
- Stork
- Sandhill Crane
- Snow Goose
- Swainson’s Hawk
- Sanderling
- Snow Bunting
- Sooty Tern
- Sora
- Sedge Warbler
- Surf Scoter
- Spruce Grouse
- Sharp-shinned Hawk
- Snowy Egret
- Scaled Quail
- Scissor-tailed Flycatcher
- Sage Grouse
- Spotted Owl
- Sulphur-crested Cockatoo
- Scarlet Macaw
- Siskin
- Sage Thrasher
- Sooty Shearwater
- Screech Owl
- Shoveler
- Spoonbill
- Shrike
- Swift
- Snow Petrel
- Swallow-tailed Kite
- Sapsucker
- Spotted Sandpiper
- Sulphur-bellied Flycatcher
- Scarlet Ibis
- Snow Finch
- Snipe
- Secretary Bird
- Skua
- Sora Rail
- Scaly-breasted Munia
- Slaty-breasted Rail
- Swamp Sparrow
- Slaty-legged Crake
- Sharp-tailed Grouse
- Spotted Towhee
- Saddle-billed Stork
- Slaty-backed Gull
- Short-eared Owl
- Spangled Kookaburra
- Spectacled Owl
- Superb Fairywren
- Striated Heron
- Stilt
- Sunbittern
- Sanderling
- Scaly-naped Pigeon
- Slate-throated Redstart
- Spot-winged Pigeon
- Sclater’s Crowned Pigeon
- Sickle-winged Guan
- Satin Bowerbird
- Striped Honeyeater
- Southern Ground Hornbill
- Spotted Buttonquail
- Scaly-headed Parrot
- Spectacled Tyrant
- Squirrel Cuckoo
- Scissor-tailed Nightjar
- Southern Carmine Bee-eater
- Sunda Frogmouth
- Sharpbill
- Short-crested Coquette
- Sulphur-winged Parakeet
- Scale-crested Pygmy Tyrant
- Sulphur-breasted Parakeet
- Spectacled Barwing
- Short-tailed Hawk
- Short-tailed Nighthawk
- Superb Fruit Dove
- Slate-colored Grosbeak
- Slaty Spinetail
- Snow Mountain Quail
- Silvery-cheeked Hornbill
- Spot-winged Starling
- Sunda Minivet
- Superb Lyrebird
- Satin Flycatcher
- Shining Bronze Cuckoo
- Short-billed Dowitcher
- Shining Sunbeam
- Spotted Elaenia
- Spotted Catbird
- Sooty Woodpecker
- Spangled Drongo
