Snake, snail, skate, salamander, salmon, starfish, scorpion, shark, squid, smelt, sardine, sole, spider, sandworm, spaniel, sprat, sneitzer, scallop, stork, scarab beetle.. Okay I know a lot of these answers are species. But I did my best. :)
Salmon
seagull
seal
seahorse
sperm whale
sealion
shark
sheep
shrimp
skunk
sloth
slug
snail
snake
scorpian
spider
Squirrel
squid
sugar glider and ....
Stick insect
seagull
seal
seahorse
sperm whale
sealion
shark
sheep
shrimp
skunk
sloth
slug
snail
snake
scorpian
spider
Squirrel
squid
sugar glider and ....
Stick insect