Scarlet Robin 
Scarlet tanager 
Scarlet-and-white tanager 
Scarlet-backed Flowerpecker 
Scarlet-bellied mountain tanager 
Scarlet-breasted dacnis 
Scarlet-breasted fruiteater 
Scarlet-browed tanager 
Scarlet-chested sunbird 
Scarlet-headed blackbird 
Scarlet-rumped cacique 
Schlegels asity 
Scissor-tailed Flycatcher 
Screaming cowbird 
Screaming Piha 
Scrub blackbird 
Scrub greenlet 
Scrub tanager 
Seaside sparrow 
Sedge Warbler 
Sedge wren 
Semi-collared flycatcher 
Sentinel rock thrush 
Sepia-brown wren