- Sapphire-vented Puffleg
- Scaled Pigeon
- Scaly-breasted Hummingbird
- Scarlet-bellied Mountain Tanager
- Scarlet-rumped Tanager
- Scarlet-thighed Dacnis
- Scarlet Macaw
- Scintillant Hummingbird
- Sharp-tailed Grouse
- Shining Honeycreeper
- Shining Sunbeam
- Silver-throated Tanager
- Slaty-backed Chat-Tyrant
- Snowcap
- Song Wren
- Sooty-capped Bush Tanager
- Spangle-cheeked Tanager
- Sparkling Violetear
- Speckled Tanager
- Spot-crowned Antvireo
- Spot-crowned Woodcreeper
- Summer Tanager
- Swallow-tailed Kite
- Swallow Tanager
- Sword-billed Hummingbird