Smooth-billed Ani – Swinhoe’s White-eye

Smooth-billed Ani (USA)

Snail Kite

Snow Bunting

Snow Goose

Snowy Egret

Snowy Owl

Snowy Plover

Social Flycatcher (USA)

Solitary Sandpiper

Song Sparrow

Sooty Grouse

Sooty Shearwater

Sooty Tern

Southern Lapwing (USA)

South Polar Skua (USA)

Sora

Spectacled Eider

Spot-breasted Oriole

Spotted Dove (USA)

Spotted Owl

Spotted Rail (USA)

Spotted Sandpiper

Spotted Towhee

Sprague’s Pipit

Spruce Grouse

Steller’s Eider

Steller’s Jay

Stilt Sandpiper

Streak-backed Oriole (USA)

Sulphur-bellied Flycatcher (USA)

Summer Tanager

Surfbird

Surf Scoter

Swainson’s Hawk

Swainson’s Thrush

Swainson’s Warbler

Swallow-tailed Kite

Swamp Sparrow

Swinhoe’s White-eye (USA)