Streaky-headed seedeater 
Streamer-tailed tyrant 
Stresemann's bushcrow 
Striated antbird 
Striated babbler 
Striated earthcreeper 
Striated fieldwren 
Striated Grassbird 
Striated pardalote 
Striated thornbill 
Striolated bunting 
Striolated manakin 
Stripe-breasted wren 
Stripe-chested antwren 
Stripe-headed antpitta 
Stripe-headed sparrow 
Stripe-necked tody-tyrant 
Striped Honeyeater 
Striped manakin 
Striped treehunter 
Striped woodcreeper 
Striped-throated Bulbul 
Strong-billed honeyeater 
Strong-billed Woodcreeper