Mammal
Saiga Antelope
Bulbous-nosed steppe antelope of Central Asia
Animals that start with S
There are 53 animals that start with the letter S, including the Saiga Antelope, Saltwater Crocodile, Sand Dollar, and more. See photos, facts, and full guides for each.
Reptile
Saltwater Crocodile
The largest living reptile and most powerful bite on Earth
Invertebrate
Sand Dollar
Buried flower of Atlantic sand flats
Fish
Sand Tiger Shark
The toothy aquarium shark
Bird
Sandhill Crane
North America's dancing crane
Bird
Satin Bowerbird
Blue-black architect of forest bowers
Bird
Scarlet Macaw
The brilliant red parrot of the rainforest
Bird
Scarlet Macaw
Iconic red-and-blue rainforest parrot
Invertebrate
Sea Angel
Shell-less winged hunter of polar seas
Invertebrate
Sea Bunny
The tiny nudibranch that went viral for looking like a miniature rabbit
Invertebrate
Sea Cucumber
Soft recycler of tropical reef sediments
Mammal
Sea Lion
The agile, barking acrobat of the coast
Mammal
Sea Otter
The tool-using keystone of the kelp forest
Invertebrate
Sea Urchin
The spiny ball that grazes the seabed
Fish
Seahorse
The tiny fish where fathers give birth
Bird
Secretary Bird
Long-legged raptor that stamps snakes
Mammal
Serval
Africa's long-legged pounce specialist
Bird
Shoebill
Giant swamp bird with a shoe-shaped bill
Mammal
Short-beaked Echidna
Spiny egg-laying anteater of Australia
Fish
Shortfin Mako Shark
The fastest shark in the ocean
Reptile
Sidewinder
Horned rattlesnake that sidewinds across dunes
Mammal
Skunk
The black-and-white mammal with a chemical defence
Mammal
Sloth
The slowest mammal on Earth
Mammal
Sloth Bear
India's shaggy insect-eating bear
Amphibian
Smooth Newt
Widespread European pond newt
Reptile
Snapping Turtle
The powerful-jawed freshwater turtle of North America
Mammal
Snow Leopard
The elusive ghost of the mountains
Mammal
Snowshoe Hare
Colour-changing hare of northern forests
Bird
Snowy Owl
The white owl of the Arctic tundra
Bird
South Island Takahe
Flightless purple swamphen of New Zealand
Bird
Southern Cassowary
The world's most dangerous bird
Mammal
Spectacled Bear
The only bear native to South America
Reptile
Spectacled Caiman
The common crocodilian of the Americas
Mammal
Sperm Whale
The deep-diving giant with the largest brain
Mammal
Spotted Hyena
The social, powerful hunter of the African savanna
Amphibian
Spotted Salamander
The yellow-spotted salamander of eastern forests
Mammal
Spotted-tailed Quoll
Largest mainland Australian marsupial carnivore
Amphibian
Spring Peeper
Thumb-sized herald of eastern spring
Mammal
Springbok
South Africa's pronking antelope
Mammal
Squirrel
The agile, tree-climbing rodent of parks and woods
Insect
Stag Beetle
The large beetle with antler-like jaws
Invertebrate
Starfish
The five-armed drifter that regrows its limbs
Fish
Stingray
The flat-bodied ray with a venomous tail
Mammal
Stoat
The ermine in winter white
Mammal
Striped Hyena
Nocturnal scavenger of Africa and Asia
Mammal
Sugar Glider
Nocturnal gliding marsupial of eucalypt forests
Bird
Sulphur-crested Cockatoo
Australia's loud crested parrot
Mammal
Sumatran Rhinoceros
The smallest, hairiest — and rarest — rhino
Mammal
Sun Bear
The smallest bear of Southeast Asia's rainforests
Bird
Superb Lyrebird
Master mimic of Australian forests
Amphibian
Surinam Toad
Flat frog that grows babies in its back
Bird
Swan
The graceful giant of lakes and rivers
Fish
Swordfish
The ocean hunter armed with a sword
Animals that start with S: FAQs
What animals start with the letter S?
Animals beginning with S include Saiga Antelope, Saltwater Crocodile, Sand Dollar, Sand Tiger Shark, Sandhill Crane, and 48 more.
How many animals begin with S?
Our guide currently covers 53 animals whose names start with S.