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Free wildlife guides · Letter S

Animals That Start With S

Browse 63 animals that start with S in WARN’s free wildlife-guide library. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more each open a sourced guide. This is not a catalogue of every species whose English name begins with S.

  • 63 sourced guides whose common name starts with S
  • 14 in an IUCN threatened category on this letter
  • Full A to Z of the library is /animals-a-z/ — this URL is one letter
See the S list Full animals A to Z

In brief

This is WARN’s list of animals that start with S — 63 sourced wildlife guides from the saiga antelope to the swordfish. 14 of those guides sit in an IUCN threatened category (Critically Endangered, Endangered or Vulnerable). The list is WARN’s published library, not a census of every S-animal on Earth. WARN funds partners in 17 countries; overlap with a range is geography, not a letter grant.

By the WARN Research & Conservation TeamChecked against IUCN Red List & CITES sourcesLast updated

63

S guides

14

IUCN threatened on this letter

491

Guides in the full A to Z

26

Letters with WARN guides

Threatened counts follow each guide’s IUCN category (Critically Endangered, Endangered or Vulnerable). Group guides may use a status label when one badge would mislead. This is not a census of all animals.

Who should skip this

This is not the right page if you want

  • A complete list of every animal on Earth that starts with S. WARN currently publishes 63 guides for this letter, not a zoological census.
  • To look an animal up by any letter. That encyclopaedia is animals A to Z.
  • To adopt a dog or cat into your home. WARN does not rehome pets — that is shelter directory.
  • A named animal with photo updates. Symbolic adoption is symbolic adoption; monthly sponsorship is sponsor.
  • To donate without browsing this letter. That is donate or appeals.
  • Gift Aid or a UK charity receipt from WARN — that is registration status.

How to use the animals that start with S list

Stay on this page to scan WARN’s 63 wildlife guides whose common name starts with S. Confirm you want a sourced species guide, not a local pet. Then open a name, read the IUCN context, and give at donate if you also want to fund partner-led rescue.

  1. 1

    Confirm you want this letter

    Stay here if you searched “animals that start with S” or need Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more. If you wanted every letter, open animals A to Z. If you wanted a rescue shelter for dogs near you, stop and open shelter directory.

  2. 2

    Scan the named guides

    The table lists each common name, scientific name and IUCN label from the guide. Counts are WARN guides, not species in nature.

  3. 3

    Open the sourced wildlife guide

    Each name opens a wildlife guide with facts, IUCN context, habitat, threats and FAQs. Group guides say when one Red List badge would mislead.

  4. 4

    Give if you want to fund rescue

    This letter page is an encyclopaedia, not a checkout. Use donate or pick an appeal that matches the animal you just read about. You do not get a named animal. Gift Aid is not available.

This letter versus A to Z

Use this URL for one letter. Use the A to Z to search the whole library. Use a species guide when you already have the name.

Animals that start with S versus the A to Z versus a species guide
FeatureThis S pageAnimals A to ZSpecies guide
Best if you wantNames that start with SThe full library by any letterFacts on one animal
How many listed63 WARN guides491 guidesOne species (or group)
CheckoutNo — use donateBelow the indexSticky bar / appeal if one exists
Census of natureNoNoNo

What animals start with S?

Animals that start with S, in WARN’s library, are Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more. There are 63 sourced wildlife guides on this URL. The heading matches the search; the inventory matches the guides.

S is one of the busiest letters in this library (63 guides). That is because English common names cluster, not because WARN ran a special S project. Use the table to jump rather than scrolling a dumped worksheet.

Sorting uses the common name. Scientific names still appear in the table. Saiga Antelope is first on this letter because of English spelling, not because it is more important than Swordfish.

How many animals start with S?

WARN currently publishes 63 wildlife guides whose common name starts with S. 3 are listed as Critically Endangered. 14 sit in an IUCN threatened category.

Those numbers count WARN guides, not life on Earth. A group guide still occupies one slot. When WARN publishes another S-animal, the count on this page will move.

The A to Z hub at animals A to Z holds 491 guides across the alphabet. This letter is 63 of that library.

Is this every animal that starts with S?

No. This page indexes 63 WARN guides, not every species whose English name begins with S. Missing from the list means the guide is not published yet — not that the animal does not exist.

Search engines still send “list of animals that start with S” to pages like this. The honest answer is the count on the page. IUCN has assessed tens of thousands of animal species; this site publishes a curated, sourced subset.

For the full WARN index, use animals A to Z. For extinct animals WARN has covered, use extinct animals.

Does WARN rescue animals that start with S?

Not as a letter. Many of these guides are educational. WARN funds rescue and conservation partners across 17 countries. Each S-guide notes where WARN is, and is not, currently active.

A heading that implied every listed animal has a WARN field team would be a lie. Reading a guide is free either way. If you want to fund partner-led work, that is donate or appeals.

You do not get a named saiga antelope from a gift. Entry-tier gifts pool across the programme.

How are animals that start with S sourced?

Each guide’s facts are checked against the sources on that page — IUCN Red List and CITES where status and trade listings apply. This letter page does not invent counts the guides do not support.

Do not treat a letter heading as an IUCN assessment. The assessment lives on the species page. Editorial standards, corrections and AI disclosure live at editorial standards.

Markdown twins of this letter sit at animals that start with s.md for answer engines.

Animals that start with S

63 WARN guides whose common name starts with S. The IUCN label is copied from the guide — not a letter-wide badge.

WARN wildlife guides that start with S
Common name Scientific name IUCN status
Saiga Antelope Saiga tatarica (Linnaeus, 1766) — family Bovidae Near Threatened — recovered from Critically Endangered (2023); still vulnerable to mass die-offs
Salamander Salamandra salamandra (Linnaeus, 1758) Near Threatened
Salmon Salmo salar (Linnaeus, 1758) Least Concern globally (IUCN, 2018) — Endangered in parts of range
Saltwater Crocodile Crocodylus porosus Least Concern globally (IUCN, 2021) — locally depleted in parts of Southeast Asia
Sand Cat Felis margarita (Harrison, 1968) — family Felidae Least Concern — poorly known and difficult to survey in desert habitat
Sawfish Family Pristidae — five species, including Pristis pristis and Pristis pectinata Critically Endangered — among the most threatened marine fish on Earth
Scorpion Order Scorpiones — roughly 2,500 described species in about 22 families Order page — most species unassessed; several cave and island endemics are threatened
Sea Lion Family Otariidae — ~16 species of eared seals (sea lions and fur seals) Varies by species (Least Concern to Endangered)
Sea Otter Enhydra lutris (Linnaeus, 1758) Endangered
Sea Slug Clade Nudibranchia — over 3,000 described species in order Nudibranchia Not Evaluated as a group — shell-less molluscs; some steal chloroplasts or stinging cells from prey
Sea Snake Subfamily Hydrophiinae — roughly 70 species of fully marine elapid snakes Group page — most species unassessed; some face bycatch and habitat degradation
Sea Turtle Cheloniidae and Dermochelyidae (superfamily Chelonioidea) Varies by species (Vulnerable to Critically Endangered)
Sea Urchin Class Echinoidea — over 950 described species in regular and irregular forms Class page — some species Least Concern; others threatened by overfishing; red sea urchin exceptionally long-lived
Seagull (Gull) Family Laridae Varies by species; most Least Concern (IUCN)
Seahorse Genus Hippocampus — ~46 recognised species Varies by species (Vulnerable to Endangered)
Seal Family Phocidae — ~19 species of true (earless) seals worldwide Varies by species (Least Concern to Endangered)
Secretary Bird Sagittarius serpentarius (Miller, 1779) — family Sagittariidae Endangered
Serval Leptailurus serval Least Concern (IUCN)
Shark Selachimorpha (superorder); e.g. great white shark, Carcharodon carcharias (Linnaeus, 1758) Varies by species (Least Concern to Critically Endangered)
Sheep Ovis aries (Linnaeus, 1758) — domestic sheep; wild mouflon ancestor Domesticated — wild mouflon (Ovis gmelini) Near Threatened
Shoebill Balaeniceps rex Vulnerable (IUCN, 2018)
Shrew Soricidae Varies by species; most Least Concern (IUCN)
Siamang Symphalangus syndactylus (Illiger, 1811) — family Hylobatidae Endangered — loud duets and throat sacs on forests being cleared for plantations
Sifaka Genus Propithecus — nine recognised species Varies by species — several Critically Endangered, others Vulnerable or Endangered
Silkworm Bombyx mori (Linnaeus, 1758) — family Bombycidae; domesticated from the wild silk moth Bombyx mandarina Domesticated — Not Evaluated; cannot survive without human husbandry
Skink Family Scincidae (Gray, 1825) — over 1,700 species Varies by species — several island endemics Critically Endangered
Skunk Mephitis mephitis (striped skunk); Family Mephitidae Least Concern (IUCN)
Sloth Bradypus & Choloepus spp. Mixed across species: most Least Concern; maned sloth Endangered; pygmy three-toed sloth Critically Endangered
Sloth Bear Melursus ursinus (Cuvier, 1793) Vulnerable
Slow Loris Nycticebus spp. (and Xanthonycticebus pygmaeus, the pygmy slow loris, since 2022) Threatened (Vulnerable–Critically Endangered)
Slow Worm Anguis fragilis Least Concern (IUCN); legally protected in the UK
Slug Shell-reduced gastropods — class Gastropoda; many families and independent origins Group page — shell loss evolved repeatedly; some island snails are Critically Endangered while common slugs are widespread
Snail Class Gastropoda (shelled members) — tens of thousands of land, freshwater and marine species Group page — includes some of the most extinction-prone animals on record
Snake Suborder Serpentes — ~3,900 species across most continents except Antarctica Varies by species (Least Concern to Critically Endangered)
Snapping Turtle Chelydra serpentina (Linnaeus, 1758) and Macrochelys temminckii (Troost, 1835) Common snapping turtle Least Concern; alligator snapping turtle Vulnerable
Snow Leopard Panthera uncia Vulnerable (downlisted from Endangered in 2017) — but fewer than 3,400 mature adults remain
Snowy Owl Bubo scandiacus (Linnaeus, 1758) — family Strigidae Vulnerable — reassessed in 2017 after population estimates were revised sharply downward
Sparrow Passer domesticus (Linnaeus, 1758) Least Concern (IUCN, 2018) — steep decline in parts of Europe
Spectacled Bear Tremarctos ornatus (F. Cuvier, 1825) Vulnerable
Spectral Tarsier Tarsius tarsier (Erxleben, 1777) — family Tarsiidae Vulnerable — forest loss on Sulawesi
Sperm Whale Physeter macrocephalus (Linnaeus, 1758) Vulnerable (IUCN)
Spider Order Araneae — over 50,000 described species in more than 120 families Order page — most species unassessed; a few narrow-range cave and island species are threatened
Spider Monkey Ateles (Geoffroy, 1806) — family Atelidae, seven species Threatened (Vulnerable–Critically Endangered, varies by species)
Spotted Cuscus Spilocuscus maculatus (É. Geoffroy, 1803) — family Phalangeridae Least Concern — but hunted across much of New Guinea lowland forest
Squid Order Teuthida Varies; most Least Concern / Not Evaluated
Squirrel Sciuridae Varies by species (most Least Concern; some island and high-elevation species Endangered to Critically Endangered)
Stag Beetle Lucanus cervus (Linnaeus, 1758) — family Lucanidae Near Threatened in Europe — Britain's largest beetle and a dead-wood specialist
Starfish (Sea Star) Class Asteroidea Varies; most Not Evaluated (some, e.g. the sunflower sea star, Critically Endangered)
Stick Insect Order Phasmatodea — over 3,000 described species; masters of plant mimicry Order page — most species unassessed; island endemics among the most threatened insects
Stingray Order Myliobatiformes Varies by species; many threatened by overfishing
Stoat Mustela erminea (Linnaeus, 1758) — family Mustelidae Least Concern — widespread; white winter coat prized as ermine fur
Stork Family Ciconiidae — 19 species in 6 genera Family page — status ranges from Least Concern to Endangered by species
Street Dog Canis lupus familiaris (Linnaeus, 1758) Domesticated — Not Evaluated (IUCN)
Sturgeon Family Acipenseridae Varies by species — majority Critically Endangered (IUCN)
Sugar Glider Petaurus breviceps (Waterhouse, 1839) — family Petauridae Least Concern — widespread in Australia; heavily traded as exotic pet outside native range
Sumatran Rhino Dicerorhinus sumatrensis Critically Endangered — fewer than ~50 left
Sun Bear Helarctos malayanus (Raffles, 1821) Vulnerable
Sunda Clouded Leopard Neofelis diardi (Cuvier, 1823) — family Felidae Vulnerable — separate species since 2006; longest canines relative to skull among living cats
Superb Bird-of-Paradise Lophorina superba (Pennant, 1781) — family Paradisaeidae; species complex Least Concern — the 'superb' name now covers several split species
Swallow Hirundo rustica (Linnaeus, 1758) — family Hirundinidae Least Concern — widespread migrant; long-term declines linked to farmland and insect loss
Swan Cygnus Most species Least Concern (IUCN)
Swift Apus apus (Linnaeus, 1758) — family Apodidae Least Concern globally — Amber-listed in Britain; screaming parties over rooftops
Swordfish Xiphias gladius (Linnaeus, 1758) Least Concern (IUCN, 2021) — overfished in parts of range

Letter encyclopaedia

Animals That Start With S: frequently asked questions

What animals start with S?
In WARN’s wildlife-guide library, animals that start with S include Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more. There are 63 sourced guides on this page. Open a name for IUCN status, habitat, behaviour and FAQs. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
How many animals start with S?
WARN currently publishes 63 wildlife guides whose common name starts with S. 14 are in an IUCN threatened category. That is a library count, not a census of species. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
Is this a complete list of animals that start with S?
No. This URL lists 63 WARN guides. If an animal is missing, WARN has not published that guide yet — not proof it does not exist. Thin letters stay thin rather than inventing extra names. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
Are animals that start with S endangered?
14 of the 63 S-guides sit in an IUCN threatened category (Critically Endangered, Endangered or Vulnerable). 3 are Critically Endangered. Status is a species fact. There is no letter-wide endangered badge. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
Does WARN work with every animal that starts with S?
No. Many S-guides are educational. WARN funds partners in 17 countries. Each guide says where WARN is, and is not, active. A letter heading is not a grant. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
How do I open an animal that starts with S?
Use the table on this page. Each row is a common name, scientific name and IUCN label linking to wildlife guides. Saiga Antelope is the first S-guide in English alphabetical order; Swordfish is the last. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
Where is the full animals A to Z?
The encyclopaedia of all 491 WARN wildlife guides is animals A to Z. This URL is only letter S. Other letters use the same pattern, for example animals that start with A and animals that start with Z. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
Can I adopt an animal that starts with S?
Not into your home. WARN does not rehome pets. Local adoption is shelter directory. Symbolic adoption of a species WARN actually funds is symbolic adoption. A gift after reading Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more is a donation, not ownership.
Are the facts on this S list sourced?
Yes. Each wildlife guide cites IUCN Red List and CITES where those datasets apply, plus the references on that page. This letter index does not add unsourced extra S-animals to look complete. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
Is a gift after reading animals that start with S Gift Aid eligible?
No. Gift Aid is only available to UK registered charities. World Animal Rescue Network is a registered global not-for-profit animal welfare organisation, not a registered charity. International donors should check their own local rules. Full detail is at registration status. You still receive a payment receipt from donate.
Should I post parcels to help animals that start with S?
Please donate money at donate instead, unless a named partner has asked for a specific item in writing. Parcels from Britain usually arrive late and cost more than buying locally. This letter page is not a shipping desk. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
Why is this list sorted by common name?
Because the search is “animals that start with S”, which is an English-spelling job. Saiga Antelope is under S even if the URL slug looks different. Scientific names are in the table so students can still copy the binomial. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
How do I donate after reading animals that start with S?
This page has no checkout form. Open donate or an appeal that matches the animal you read. Card, Apple Pay and Google Pay. You do not get a named saiga antelope. Cancel a monthly gift any time. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.
What is the difference between this page and a species guide?
This URL is a letter index. A species guide such as saiga antelope is the full facts page for one animal. Use this list to find the name; use the guide for IUCN status, habitat, threats and FAQs. Saiga Antelope, Salamander, Salmon, Saltwater Crocodile and 59 more sit in WARN’s published wildlife-guide library, not a zoological census. Open the named guide for IUCN context, habitat, behaviour and sourced FAQs. WARN is a UK community interest company, not a Charity Commission charity, so Gift Aid is not available.

Sources and references

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