List aves families
Sagittariidae
secretarybird
Sarothruridae
White-spotted Flufftail
Scolopacidae
Terek sandpiper
Scopidae
hamerkop
Scotocercidae
streaked scrub warbler, scrub warbler
Sittidae
Chestnut-bellied Nuthatch
Spheniscidae
Chinstrap penguin, ringed penguin, bearded penguin, stonecracker penguin
Spindalidae
Western spindalis, Stripe-headed Tanager
Stenostiridae
yellow-bellied fantail, yellow-bellied fairy-fantail
Stercorariidae
Brown skua, Antarctic skua, subantarctic skua, southern great skua, southern skua, hākoakoa
Strigidae
spotted wood owl
Strigopidae
kea
Struthionidae
common ostrich, ostrich
Sturnidae
metallic starling, shining starling
Sulidae
brown booby
Sylviidae
western subalpine warbler