sailfish
salamander
salmon
sand dollar
sandpiper
scallop
scorpion
sea anemone
sea cow
seal

sealion
sea otter
sea cucumber
sea star
sea turtle
sea urchin
sea worm
serval
sheep

shrew
shrimp
siamang
silkworm
silverfish
skipper
skunk
sloth
snail

snapper
sparrow
spider
spiny anteater
sponge
springtail
squirrel
starfish
starling

stingray
stonefly
stork
sugar glider
sunfish
swallowtail butterfly
swan
swift
swordfish