Razorbelly scad

Fish

Red velvetfish

Red salamander

Amphibians

Rhynchotherium

Ringneck blenny

Rhomaleosaurus

Reptile

Rock pratincole

Birds

Royal spoonbill

Birds

Sailfin shiner

Sand partridge

Birds

Scarus forsteni

Sciaenochromis

Fish

Sclater's monal

Birds

Sclater's wren

Sevan khramulya

Sibon noalamina

Siberian grouse

Silver dik-dik

Animal

Silver rasbora (Rasbora Argyrotaenia)

Fish

Simalia boeleni

Snake

Slender sunfish

Fish

Snake mackerels

Fish

Smallmouth scad

Fish

Soringa whiting

Fish

Southern sennet

Spangled drongo

Birds

Spotted turbot

Spotted gurnard

Fish

Spotted nothura

Birds

Spotted wrasse

Spotted weever

Fish

Starry flounder

Fish

Striated bulbul

Birds

Striped bonito

Fish

Styan's bulbul

Birds

Sulawesi drongo

Birds

Swamp francolin

Birds

Syrian wild ass

Taiwan barwing

Birds

Tatra pine vole

Rodent

Terek sandpiper

Birds

Terapon theraps

Thryssa mystax

Tille trevally

Fish

Togian babirusa

Animal

Tongan megapode

Birds

Torrent sculpin

Trachyrincinae

Fish