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MAMMALS
All Terms
- sirenian
- skewbald
- skunk
- Skye terrier
- sloth
- sloth bear
- smooth
- smooth fox terrier
- snag
- snip
- snow leopard
- snowshoe hare
- soft–coated wheaten terrier
- sorrel
- sound
- South Devon
- Southdown
- sow
- spaniel
- spectacled bear
- sperm
- sperm oil
- sperm whale
- spermaceti
- spermophile
- sphynx
- spider monkey
- spike
- spinner dolphin
- spiny anteater
- spiracle
- spitz
- splint
- splint bone
- springbok
- springer
- springer spaniel
- squirrel
- squirrel monkey
- Staffordshire bull terrier
- stag
- stagger
- staghound
- standard schnauzer
- standardbred
- star–nosed mole
- steenbok
- Steller's sea cow
- stirk
- stoat











