sout - Sten
- South African shelduck
- South African swallow
- South American bittern
- South American painted snipe
- South American painted-snipe
- South American snipe
- South American tern
- South Georgia diving-petrel
- South Georgia pipit
- South Georgia shag
- South Island saddleback
- South Melanesian cuckoo-shrike
- south polar skua
- southern anteater-chat
- southern antpipit
- southern banded snake-eagle
- southern beardless tyrannulet
- southern bentbill
- southern black tit
- southern black-flycatcher
- southern bold ibis
- southern boobook
- southern boubou
- southern bristle-tyrant
- southern brown-throated weaver
- southern cassowary
- southern chestnut-tailed antbird
- southern crowned-pigeon
- southern double-collared sunbird
- southern emu-wren
- southern fulmar
- southern giant petrel
- southern golden bulbul
- southern grey shrike
- southern grey-headed sparrow
- southern ground-hornbill
- southern helmeted curassow
- southern hill myna
- southern house wren
- southern hyliota
