There are 186 amphibians that start with the letter S, from Sacramento Mountain Salamander to São Tomé Giant Tree Frog. Below you will find them listed alphabetically along with some general information about each. Click the toggle view buttons in the top right corner to switch between the card and the table view.
For each item you will find the following information
Order: The subclass the amphibians belongs to
Habitat: The places or type of weather the amphibians lives in
Scientific name: The designation that scientists use to catalog the species
Name: Sacramento Mountain Salamander
Order: Salamanders (Caudata)
Habitat: Coniferous forests in Sacramento Mountains, New Mexico, USA
Scientific name: Aneides hardii
Name: Sacramento Mountains Salamander
Order: Salamanders (Caudata)
Habitat: Sacramento Mountains, New Mexico, USA
Scientific name: Aneides hardii
Name: Sado Wrinkled Frog
Order: Frogs (Anura)
Habitat: Mountain streams on Sado Island, Japan
Scientific name: Glandirana susurra
Name: Sagalla Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Soil and leaf litter in Sagalla Hill, Kenya
Scientific name: Boulengerula niedeni
Name: Salamandra salamandra
Order: Salamanders (Caudata)
Habitat: Forests and mountainous regions of Europe, North Africa, and the Middle East
Scientific name: Salamandra salamandra
Name: Samoan Tree Frog
Order: Frogs (Anura)
Habitat: Rainforests in Samoa
Scientific name: Platymantis samoensis
Name: San Antonio Sads
Order: Salamanders (Caudata)
Habitat: Edwards Aquifer and caves in Texas, USA
Scientific name: Eurycea latitans
Name: San Bernardino Mountains Slender Salamander
Order: Salamanders (Caudata)
Habitat: San Bernardino Mountains in southern California, USA
Scientific name: Batrachoseps campi
Name: San Cristobal Island Salamander
Order: Salamanders (Caudata)
Habitat: Cloud forests in Chiapas, Mexico
Scientific name: Dendrotriton sanctibarbarus
Name: San Cristobal Lava Lizard
Order: Salamanders (Caudata)
Habitat: Streams and ponds in caves of Mexico
Scientific name: Bolitoglossa occidentalis
Name: San Gabriel Mountains Slender Salamander
Order: Salamanders (Caudata)
Habitat: San Gabriel Mountains in southern California, USA
Scientific name: Batrachoseps gabrieli
Name: San Gabriel Slender Salamander
Order: Salamanders (Caudata)
Habitat: San Gabriel Mountains, California, USA
Scientific name: Batrachoseps gabrieli
Name: San Lorenzo Island False Brook Salamander
Order: Salamanders (Caudata)
Habitat: San Lorenzo Island, Mexico
Scientific name: Pseudoeurycea gadovii
Name: San Lucas Chirping Frog
Order: Frogs (Anura)
Habitat: Baja California peninsula, Mexico
Scientific name: Eleutherodactylus lucioi
Name: San Lucas Marsupial Frog
Order: Frogs (Anura)
Habitat: Montane forests in Ecuador
Scientific name: Gastrotheca pseustes
Name: San Marcos Dwarf Salamander
Order: Salamanders (Caudata)
Habitat: Springs and aquifers in Texas, USA
Scientific name: Eurycea pterophila
Name: San Marcos Salamander
Order: Salamanders (Caudata)
Habitat: Spring-fed waters of the San Marcos River, Texas, USA
Scientific name: Eurycea nana
Name: San Simeon Slender Salamander
Order: Salamanders (Caudata)
Habitat: Coastal regions of central California, USA
Scientific name: Batrachoseps incognitus
Name: Sand Ridge Salamander
Order: Salamanders (Caudata)
Habitat: Sandy soils in pine forests of southeastern United States
Scientific name: Plethodon aeneus
Name: Sandpaper Frog
Order: Frogs (Anura)
Habitat: Woodlands and forests of eastern Australia
Scientific name: Lechriodus fletcheri
Name: Sandy Spadefoot
Order: Frogs (Anura)
Habitat: Sandy soils in eastern and central United States
Scientific name: Scaphiopus holbrookii
Name: Santa Cruz Black Salamander
Order: Salamanders (Caudata)
Habitat: Coastal mountains in California, USA
Scientific name: Aneides flavipunctatus niger
Name: Santa Cruz Dwarf Frog
Order: Frogs (Anura)
Habitat: Cloud forests in Bolivia
Scientific name: Noblella carrascoicola
Name: Santa Cruz Long-toed Salamander
Order: Salamanders (Caudata)
Habitat: Coastal regions of Santa Cruz and Monterey Counties, California, USA
Scientific name: Ambystoma macrodactylum croceum
Name: Santa Cruz Rain Frog
Order: Frogs (Anura)
Habitat: Cloud forests in Bolivia
Scientific name: Pristimantis platydactylus
Name: Santa Fe Treefrog
Order: Frogs (Anura)
Habitat: Tropical forests in Colombia
Scientific name: Boana platanera
Name: Santa Lucia Mountains Slender Salamander
Order: Salamanders (Caudata)
Habitat: Santa Lucia Mountains, California, USA
Scientific name: Batrachoseps luciae
Name: Sao Francisco Snouted Treefrog
Order: Frogs (Anura)
Habitat: Atlantic Forest of southeastern Brazil
Scientific name: Scinax x-signatus
Name: Sapito Listado
Order: Frogs (Anura)
Habitat: Forests and grasslands in Argentina and Brazil
Scientific name: Melanophryniscus stelzneri
Name: Sapo Tungara
Order: Frogs (Anura)
Habitat: Rainforests and wet lowlands in Central and South America
Scientific name: Engystomops pustulosus
Name: Sardinian Brook Salamander
Order: Salamanders (Caudata)
Habitat: Streams and springs in Sardinia, Italy
Scientific name: Euproctus platycephalus
Name: Sardinian Cave Salamander
Order: Salamanders (Caudata)
Habitat: Caves and underground streams in Sardinia, Italy
Scientific name: Speleomantes imperialis
Name: Sardinian Mountain Newt
Order: Salamanders (Caudata)
Habitat: Mountain streams and pools in Sardinia, Italy
Scientific name: Euproctus platycephalus
Name: Savanna Ridged Frog
Order: Frogs (Anura)
Habitat: Grasslands and savannas in sub-Saharan Africa
Scientific name: Ptychadena anchietae
Name: Savannah Slimy Salamander
Order: Salamanders (Caudata)
Habitat: Coastal plain forests in southeastern United States
Scientific name: Plethodon savannah
Name: Scandinavian Common Frog
Order: Frogs (Anura)
Habitat: Various habitats across Scandinavia
Scientific name: Rana temporaria
Name: Scarlet-sided Pobblebonk
Order: Frogs (Anura)
Habitat: Eastern Australia
Scientific name: Limnodynastes terraereginae
Name: Scarlet-webbed Treefrog
Order: Frogs (Anura)
Habitat: Tropical rainforests of Central and South America
Scientific name: Hypsiboas rufitelus
Name: Scott Bar Salamander
Order: Salamanders (Caudata)
Habitat: Coniferous forests in northern California, USA
Scientific name: Plethodon asupak
Name: Scott's Bar Salamander
Order: Salamanders (Caudata)
Habitat: Montane forests in Siskiyou County, California, USA
Scientific name: Plethodon asupak
Name: Scutari Alpine Newt
Order: Salamanders (Caudata)
Habitat: Alpine regions in Montenegro and Albania
Scientific name: Ichthyosaura alpestris montenegrina
Name: Seal Salamander
Order: Salamanders (Caudata)
Habitat: Mountain streams in Appalachian Mountains, USA
Scientific name: Desmognathus monticola
Name: Seepage Salamander
Order: Salamanders (Caudata)
Habitat: Seepage areas in southeastern United States
Scientific name: Desmognathus aeneus
Name: Seepage Stream Salamander
Order: Salamanders (Caudata)
Habitat: Small seepages and streams in northeastern United States
Scientific name: Desmognathus aeneus
Name: Sequoyah Slimy Salamander
Order: Salamanders (Caudata)
Habitat: Deciduous forests in southeastern United States
Scientific name: Plethodon sequoyah
Name: Seychelles Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Soil and leaf litter in the Seychelles
Scientific name: Hypogeophis rostratus
Name: Seychelles Frog
Order: Frogs (Anura)
Habitat: Moist forests in the Seychelles islands
Scientific name: Sooglossus sechellensis
Name: Seychelles Tree Frog
Order: Frogs (Anura)
Habitat: Forests in the Seychelles islands
Scientific name: Tachycnemis seychellensis
Name: Sharp-nosed Reed Frog
Order: Frogs (Anura)
Habitat: Wetlands and grasslands in Africa
Scientific name: Hyperolius acuticeps
Name: Sharp-ribbed Salamander
Order: Salamanders (Caudata)
Habitat: Forests and meadows in the Caucasus region
Scientific name: Pleurodeles nebulosus
Name: Sharp-snouted Reed Frog
Order: Frogs (Anura)
Habitat: Savanna and grassland regions of Africa
Scientific name: Hyperolius nasutus
Name: Shasta Giant Salamander
Order: Salamanders (Caudata)
Habitat: Montane forests near Mount Shasta, California, USA
Scientific name: Dicamptodon shastae
Name: Shasta Salamander
Order: Salamanders (Caudata)
Habitat: Limestone outcrops near Shasta Lake, California, USA
Scientific name: Hydromantes shastae
Name: Sheep Frog
Order: Frogs (Anura)
Habitat: Arid and semi-arid regions of southern United States and northern Mexico
Scientific name: Hypopachus variolosus
Name: Shenandoah Mountain Salamander
Order: Salamanders (Caudata)
Habitat: Rocky slopes in Shenandoah Mountains, Virginia, USA
Scientific name: Plethodon virginia
Name: Shenandoah Salamander
Order: Salamanders (Caudata)
Habitat: Talus slopes in Shenandoah National Park, Virginia, USA
Scientific name: Plethodon shenandoah
Name: Shenandoah Valley Slimy Salamander
Order: Salamanders (Caudata)
Habitat: Deciduous forests in Shenandoah Valley, Virginia, USA
Scientific name: Plethodon virginia
Name: Shiny Salamander
Order: Salamanders (Caudata)
Habitat: Piedmont and coastal plain regions of southeastern United States
Scientific name: Pseudotriton montanus
Name: Short-footed Frog
Order: Frogs (Anura)
Habitat: Streams in Papua New Guinea
Scientific name: Rana brachytarsus
Name: Short-tailed Salamander
Order: Salamanders (Caudata)
Habitat: Cloud forests in central and southern Mexico
Scientific name: Bolitoglossa occidentalis
Name: Shoshone Burrowing Frog
Order: Frogs (Anura)
Habitat: Arid regions of western United States
Scientific name: Spea intermontana
Name: Shovel-nosed Salamander
Order: Salamanders (Caudata)
Habitat: Mountain streams of western North Carolina and eastern Tennessee, USA
Scientific name: Desmognathus marmoratus
Name: Siamese Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soil in Thailand and surrounding regions
Scientific name: Ichthyophis kohtaoensis
Name: Siberian Salamander
Order: Salamanders (Caudata)
Habitat: Forests and wetlands of Siberia and northeastern Asia
Scientific name: Salamandrella keyserlingii
Name: Sichuan Mountain Salamander
Order: Salamanders (Caudata)
Habitat: Montane forests in Sichuan Province, China
Scientific name: Batrachuperus tibetanus
Name: Sicilian Green Toad
Order: Frogs (Anura)
Habitat: Mediterranean habitats in Sicily, Italy
Scientific name: Bufotes siculus
Name: Sierra Madre Salamander
Order: Salamanders (Caudata)
Habitat: Pine-oak forests in Sierra Madre Occidental, Mexico
Scientific name: Pseudoeurycea bellii
Name: Sierra Madre Yellow-legged Frog
Order: Frogs (Anura)
Habitat: Mountain streams in southern California, USA
Scientific name: Rana muscosa
Name: Sierra Madre de Oaxaca Salamander
Order: Salamanders (Caudata)
Habitat: Cloud forests in Oaxaca, Mexico
Scientific name: Pseudoeurycea orchileucos
Name: Sierra Nevada Ensatina
Order: Salamanders (Caudata)
Habitat: Coniferous forests of the Sierra Nevada, California, USA
Scientific name: Ensatina eschscholtzii platensis
Name: Sierra Nevada Salamander
Order: Salamanders (Caudata)
Habitat: Mountain streams in Sierra Nevada, Spain
Scientific name: Chioglossa lusitanica
Name: Sierra Nevada Torrent Salamander
Order: Salamanders (Caudata)
Habitat: Cold mountain streams in Sierra Nevada, California, USA
Scientific name: Rhyacotriton olympicus
Name: Sierra Nevada Yellow-legged Frog
Order: Frogs (Anura)
Habitat: High-elevation lakes and streams in the Sierra Nevada, California, USA
Scientific name: Rana sierrae
Name: Silver Tree Frog
Order: Frogs (Anura)
Habitat: Tropical forests in South America
Scientific name: Boana multifasciata
Name: Silvery Salamander
Order: Salamanders (Caudata)
Habitat: Deciduous forests in northeastern and midwestern United States
Scientific name: Ambystoma platineum
Name: Sira Poison Frog
Order: Frogs (Anura)
Habitat: Cloud forests in Sira mountains, Peru
Scientific name: Ameerega sirensis
Name: Sirena Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Tropical forests in Costa Rica
Scientific name: Gymnopis multiplicata
Name: Siskiyou Mountains Salamander
Order: Salamanders (Caudata)
Habitat: Forested rocky slopes in northern California and southern Oregon, USA
Scientific name: Plethodon stormi
Name: Slender Glass Frog
Order: Frogs (Anura)
Habitat: Tropical rainforests in Central and South America
Scientific name: Hyalinobatrachium fleischmanni
Name: Slender Lungless Salamander
Order: Salamanders (Caudata)
Habitat: Tropical forests in Mexico and Guatemala
Scientific name: Oedipina elongata
Name: Slimy Salamander
Order: Salamanders (Caudata)
Habitat: Moist woodlands in eastern and central United States
Scientific name: Plethodon glutinosus complex
Name: Slovenian Salamander
Order: Salamanders (Caudata)
Habitat: Caves and subterranean waters in Slovenia
Scientific name: Proteus anguinus
Name: Small-footed Mountain Siren
Order: Salamanders (Caudata)
Habitat: Mountain streams and springs in western Mexico
Scientific name: Pseudoeurycea leprosa
Name: Small-mouthed Salamander
Order: Salamanders (Caudata)
Habitat: Woodlands and prairies in central United States
Scientific name: Ambystoma texanum
Name: Smallmouth Salamander
Order: Salamanders (Caudata)
Habitat: Wetlands and forests in central and eastern United States
Scientific name: Ambystoma texanum
Name: Smoky Jungle Frog
Order: Frogs (Anura)
Habitat: Rainforests in Central and South America
Scientific name: Leptodactylus pentadactylus
Name: Smooth Newt
Order: Salamanders (Caudata)
Habitat: Ponds and slow-moving water bodies across Europe
Scientific name: Lissotriton vulgaris
Name: Smooth Spur-toed Frog
Order: Frogs (Anura)
Habitat: Rainforests in Southeast Asia
Scientific name: Leptobrachium hasseltii
Name: Smooth-sided Toad
Order: Frogs (Anura)
Habitat: South America
Scientific name: Rhaebo guttatus
Name: Solomon Islands Eyelash Frog
Order: Frogs (Anura)
Habitat: Rainforests of Solomon Islands
Scientific name: Ceratobatrachus guentheri
Name: Solomon Islands Leaf Frog
Order: Frogs (Anura)
Habitat: Rainforests of the Solomon Islands
Scientific name: Ceratobatrachus guentheri
Name: Sonoran Desert Toad
Order: Frogs (Anura)
Habitat: Desert regions of southwestern United States and northwestern Mexico
Scientific name: Incilius alvarius
Name: Sonoran Green Toad
Order: Frogs (Anura)
Habitat: Desert regions in southwestern United States and Mexico
Scientific name: Anaxyrus retiformis
Name: Sonoran Salamander
Order: Salamanders (Caudata)
Habitat: Canyon woodlands in Arizona, USA and Sonora, Mexico
Scientific name: Ambystoma mavortium stebbinsi
Name: Sonoran Tiger Salamander
Order: Salamanders (Caudata)
Habitat: Cattle tanks and ponds in southeastern Arizona, USA
Scientific name: Ambystoma mavortium stebbinsi
Name: Souss Valley Toad
Order: Frogs (Anura)
Habitat: Souss Valley in Morocco
Scientific name: Bufotes boulengeri
Name: South China Salamander
Order: Salamanders (Caudata)
Habitat: Streams and ponds in southern China
Scientific name: Paramesotriton chinensis
Name: South Chinese Crocodile Newt
Order: Salamanders (Caudata)
Habitat: Subtropical forests in southern China
Scientific name: Tylototriton asperrimus
Name: South Esk Tadpole Shrimp
Order: Caecilians (Gymnophiona)
Habitat: Soil in tropical forests of South America
Scientific name: Typhlonectes compressicauda
Name: South Indian Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Western Ghats mountain range, India
Scientific name: Uraeotyphlus narayani
Name: South Korean Salamander
Order: Salamanders (Caudata)
Habitat: Montane forests in South Korea
Scientific name: Hynobius yangi
Name: South Yunnan Crocodile Newt
Order: Salamanders (Caudata)
Habitat: Montane forests in Yunnan Province, China
Scientific name: Tylototriton yangi
Name: Southeastern Dwarf Siren
Order: Salamanders (Caudata)
Habitat: Swamps and ponds in southeastern United States
Scientific name: Pseudobranchus striatus
Name: Southeastern Slimy Salamander
Order: Salamanders (Caudata)
Habitat: Forests in southeastern United States
Scientific name: Plethodon grobmani
Name: Southern Appalachian Salamander
Order: Salamanders (Caudata)
Habitat: High elevation forests in the southern Appalachian Mountains, USA
Scientific name: Plethodon teyahalee
Name: Southern Barred Frog
Order: Frogs (Anura)
Habitat: Forests in southeastern Australia
Scientific name: Mixophyes balbus
Name: Southern Bell Frog
Order: Frogs (Anura)
Habitat: Wetlands in southern Australia
Scientific name: Litoria raniformis
Name: Southern Brown Tree Frog
Order: Frogs (Anura)
Habitat: Forests and grasslands in southern Australia
Scientific name: Litoria ewingii
Name: Southern California Slender Salamander
Order: Salamanders (Caudata)
Habitat: Coastal and foothill regions of southern California, USA
Scientific name: Batrachoseps major
Name: Southern Chorus Frog
Order: Frogs (Anura)
Habitat: Wetlands and woodlands of the southeastern United States
Scientific name: Pseudacris nigrita
Name: Southern Corroboree Frog
Order: Frogs (Anura)
Habitat: Alpine and sub-alpine areas in New South Wales, Australia
Scientific name: Pseudophryne corroboree
Name: Southern Crawfish Frog
Order: Frogs (Anura)
Habitat: Prairies and grasslands in the southern United States
Scientific name: Lithobates areolatus areolatus
Name: Southern Crawl Toad
Order: Frogs (Anura)
Habitat: Arid regions of southwestern United States
Scientific name: Incilius nebulifer
Name: Southern Cricket Frog
Order: Frogs (Anura)
Habitat: Wetlands of the southeastern United States
Scientific name: Acris gryllus
Name: Southern Cross-banded Tree Frog
Order: Frogs (Anura)
Habitat: Montane forests in Papua New Guinea
Scientific name: Litoria micromembrana
Name: Southern Dusky Salamander
Order: Salamanders (Caudata)
Habitat: Small streams and seepages in southeastern United States
Scientific name: Desmognathus auriculatus
Name: Southern Four-toed Salamander
Order: Salamanders (Caudata)
Habitat: Boggy woodlands in eastern United States
Scientific name: Hemidactylium scutatum
Name: Southern Gastric-brooding Frog
Order: Frogs (Anura)
Habitat: Streams in rainforests of Queensland, Australia (extinct)
Scientific name: Rheobatrachus silus
Name: Southern Gray Tree Frog
Order: Frogs (Anura)
Habitat: Woodlands and forests in southeastern United States
Scientific name: Dryophytes chrysoscelis
Name: Southern Leopard Frog
Order: Frogs (Anura)
Habitat: Wetlands of southeastern United States
Scientific name: Lithobates sphenocephalus
Name: Southern Mountain Yellow-legged Frog
Order: Frogs (Anura)
Habitat: High elevation lakes in Sierra Nevada, California, USA
Scientific name: Rana muscosa
Name: Southern Plains Spadefoot
Order: Frogs (Anura)
Habitat: Plains and prairies of central United States
Scientific name: Spea bombifrons
Name: Southern Pygmy Salamander
Order: Salamanders (Caudata)
Habitat: Forests of the southern Appalachian Mountains, USA
Scientific name: Desmognathus wrighti
Name: Southern Ravine Salamander
Order: Salamanders (Caudata)
Habitat: Forested hillsides in Kentucky, Tennessee, and Alabama, USA
Scientific name: Plethodon kentucki
Name: Southern Red-backed Salamander
Order: Salamanders (Caudata)
Habitat: Forests of eastern United States
Scientific name: Plethodon serratus
Name: Southern Redback Salamander
Order: Salamanders (Caudata)
Habitat: Hardwood forests in eastern United States
Scientific name: Plethodon serratus
Name: Southern Spadefoot Toad
Order: Frogs (Anura)
Habitat: Southwestern United States and Mexico
Scientific name: Spea multiplicata
Name: Southern Spectacled Salamander
Order: Salamanders (Caudata)
Habitat: Mountain streams in southern Italy
Scientific name: Salamandrina terdigitata
Name: Southern Sticky Frog
Order: Frogs (Anura)
Habitat: Forests in southern Australia
Scientific name: Limnodynastes dumerilii
Name: Southern Toad
Order: Frogs (Anura)
Habitat: Southeastern United States
Scientific name: Anaxyrus terrestris
Name: Southern Toadlet
Order: Frogs (Anura)
Habitat: Dry forests and heathlands in southeastern Australia
Scientific name: Pseudophryne semimarmorata
Name: Southern Torrent Salamander
Order: Salamanders (Caudata)
Habitat: Cold mountain streams in California and Oregon, USA
Scientific name: Rhyacotriton variegatus
Name: Southern Two-lined Salamander
Order: Salamanders (Caudata)
Habitat: Streams in southeastern United States
Scientific name: Eurycea cirrigera
Name: Southern Zigzag Salamander
Order: Salamanders (Caudata)
Habitat: Forested hillsides in eastern United States
Scientific name: Plethodon ventralis
Name: Spadefoot Toad
Order: Frogs (Anura)
Habitat: Arid and semi-arid regions of North America
Scientific name: Spea spp.
Name: Spanish Common Toad
Order: Frogs (Anura)
Habitat: Various habitats across Spain
Scientific name: Bufo spinosus
Name: Spanish Newt
Order: Salamanders (Caudata)
Habitat: Streams and ponds in Spain and Portugal
Scientific name: Pleurodeles waltl
Name: Spanish Pyrenean Newt
Order: Salamanders (Caudata)
Habitat: Mountain streams in the Pyrenees, Spain and France
Scientific name: Calotriton asper
Name: Spanish Ribbed Newt
Order: Salamanders (Caudata)
Habitat: Ponds and slow-moving waters in Spain, Portugal, and Morocco
Scientific name: Pleurodeles waltl
Name: Spectacled Salamander
Order: Salamanders (Caudata)
Habitat: Forests of the Iberian Peninsula
Scientific name: Salamandrina terdigitata
Name: Spine-headed Tree Frog
Order: Frogs (Anura)
Habitat: Tropical forests of Central and South America
Scientific name: Triprion petasatus
Name: Spiny-headed Tree Frog
Order: Frogs (Anura)
Habitat: Tropical forests of Central and South America
Scientific name: Anotheca spinosa
Name: Splendid Leaf Frog
Order: Frogs (Anura)
Habitat: Lowland rainforests in Central and South America
Scientific name: Cruziohyla calcarifer
Name: Spotted Barred Frog
Order: Frogs (Anura)
Habitat: Streams in eastern Australia
Scientific name: Mixophyes iteratus
Name: Spotted Grass Frog
Order: Frogs (Anura)
Habitat: Grasslands and wetlands of Australia
Scientific name: Limnodynastes tasmaniensis
Name: Spotted Marsh Frog
Order: Frogs (Anura)
Habitat: Ponds and wetlands in Australia
Scientific name: Limnodynastes tasmaniensis
Name: Spotted Newt
Order: Salamanders (Caudata)
Habitat: Ponds and wetlands in eastern North America
Scientific name: Notophthalmus viridescens
Name: Spotted Night Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist forest soils in India
Scientific name: Ichthyophis tricolor
Name: Spotted Reed Frog
Order: Frogs (Anura)
Habitat: Wetlands and grasslands in sub-Saharan Africa
Scientific name: Hyperolius substriatus
Name: Spotted Salamander
Order: Salamanders (Caudata)
Habitat: Deciduous forests of eastern North America
Scientific name: Ambystoma maculatum
Name: Spotted Shovel-nosed Frog
Order: Frogs (Anura)
Habitat: Arid regions of Australia
Scientific name: Notaden bennettii
Name: Spotted Snout-burrower
Order: Frogs (Anura)
Habitat: Grasslands and woodlands in Australia
Scientific name: Notaden bennettii
Name: Spotted Thigh Frog
Order: Frogs (Anura)
Habitat: Arid regions of Australia
Scientific name: Limnodynastes tasmaniensis
Name: Spotted Tree Frog
Order: Frogs (Anura)
Habitat: Streams in southeastern Australia
Scientific name: Litoria spenceri
Name: Spotted Whistling Frog
Order: Frogs (Anura)
Habitat: Tropical forests in Australia and Papua New Guinea
Scientific name: Eleutherodactylus johnstonei
Name: Spotted-legged Poison Frog
Order: Frogs (Anura)
Habitat: Rainforests in Colombia and Ecuador
Scientific name: Ameerega bilinguis
Name: Spotted-tailed Fire Salamander
Order: Salamanders (Caudata)
Habitat: Montane forests in Mexico
Scientific name: Pseudoeurycea cephalica
Name: Spring Dweller Salamander
Order: Salamanders (Caudata)
Habitat: Springs and caves in northern Mexico
Scientific name: Eurycea nana
Name: Spring Peeper
Order: Frogs (Anura)
Habitat: Woodlands and wetlands of eastern North America
Scientific name: Pseudacris crucifer
Name: Spring Salamander
Order: Salamanders (Caudata)
Habitat: Clean, cool streams in eastern North America
Scientific name: Gyrinophilus porphyriticus
Name: Squirrel Tree Frog
Order: Frogs (Anura)
Habitat: Southeastern United States
Scientific name: Hyla squirella
Name: Sri Lankan Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soil in forests of Sri Lanka
Scientific name: Ichthyophis glutinosus
Name: Star Fingered Toad
Order: Frogs (Anura)
Habitat: Forests in South America
Scientific name: Leptodactylus podicipinus
Name: Stone Mountain Chorus Frog
Order: Frogs (Anura)
Habitat: Rocky outcrops in southeastern United States
Scientific name: Pseudacris feriarum
Name: Strawberry Poison Dart Frog
Order: Frogs (Anura)
Habitat: Rainforests of Central America
Scientific name: Oophaga pumilio
Name: Streambank Frog
Order: Frogs (Anura)
Habitat: Streams and rainforests in northeastern Australia
Scientific name: Mixophyes coggeri
Name: Streamside Salamander
Order: Salamanders (Caudata)
Habitat: Headwater streams in central eastern United States
Scientific name: Ambystoma barbouri
Name: Strecker's Chorus Frog
Order: Frogs (Anura)
Habitat: Central United States, primarily Texas and Oklahoma
Scientific name: Pseudacris streckeri
Name: Striated Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Tropical forests in South America
Scientific name: Siphonops annulatus
Name: Stripe-backed Frog
Order: Frogs (Anura)
Habitat: Tropical forests in Central and South America
Scientific name: Hylarana erythraea
Name: Striped Burrowing Frog
Order: Frogs (Anura)
Habitat: Semi-arid regions of Australia
Scientific name: Cyclorana alboguttata
Name: Striped Marsh Frog
Order: Frogs (Anura)
Habitat: Wetlands and coastal areas of Australia
Scientific name: Limnodynastes peronii
Name: Striped Newt
Order: Salamanders (Caudata)
Habitat: Pine flatwoods and sandhills in Florida and Georgia, USA
Scientific name: Notophthalmus perstriatus
Name: Striped Rocket Frog
Order: Frogs (Anura)
Habitat: Tropical savanna in northern Australia
Scientific name: Litoria nasuta
Name: Striped Stream Salamander
Order: Salamanders (Caudata)
Habitat: Small streams in eastern United States
Scientific name: Eurycea wilderae
Name: Strutting False Brook Salamander
Order: Salamanders (Caudata)
Habitat: Montane cloud forests in Oaxaca, Mexico
Scientific name: Pseudoeurycea struthi
Name: Sumaco Cochran Frog
Order: Frogs (Anura)
Habitat: Cloud forests in Ecuador
Scientific name: Nymphargus anomalus
Name: Sumi Madagaskar Frog
Order: Frogs (Anura)
Habitat: Rainforests of Madagascar
Scientific name: Mantidactylus guttulatus
Name: Sunset Frog
Order: Frogs (Anura)
Habitat: Peat swamps in southwestern Australia
Scientific name: Spicospina flammocaerulea
Name: Surinam Toad
Order: Frogs (Anura)
Habitat: Slow-moving waters in Amazon Basin, South America
Scientific name: Pipa pipa
Name: Suriname Horned Frog
Order: Frogs (Anura)
Habitat: Amazon Basin in South America
Scientific name: Ceratophrys cornuta
Name: Suweon Treefrog
Order: Frogs (Anura)
Habitat: Rice paddies and wetlands in Korea
Scientific name: Dryophytes suweonensis
Name: Swedish Green Toad
Order: Frogs (Anura)
Habitat: Coastal areas of Sweden
Scientific name: Bufotes viridis
Name: Swiss Midwife Toad
Order: Frogs (Anura)
Habitat: Rocky areas in Switzerland and neighboring countries
Scientific name: Alytes obstetricans
Name: São Tomé Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Forests of São Tomé Island, Gulf of Guinea
Scientific name: Schistometopum thomense
Name: São Tomé Giant Tree Frog
Order: Frogs (Anura)
Habitat: Montane forests in São Tomé Island
Scientific name: Hyperolius thomensis
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Sacramento Mountain Salamander | Salamanders (Caudata) | Coniferous forests in Sacramento Mountains, New Mexico, USA | Aneides hardii |
| Sacramento Mountains Salamander | Salamanders (Caudata) | Sacramento Mountains, New Mexico, USA | Aneides hardii |
| Sado Wrinkled Frog | Frogs (Anura) | Mountain streams on Sado Island, Japan | Glandirana susurra |
| Sagalla Caecilian | Caecilians (Gymnophiona) | Soil and leaf litter in Sagalla Hill, Kenya | Boulengerula niedeni |
| Salamandra salamandra | Salamanders (Caudata) | Forests and mountainous regions of Europe, North Africa, and the Middle East | Salamandra salamandra |
| Samoan Tree Frog | Frogs (Anura) | Rainforests in Samoa | Platymantis samoensis |
| San Antonio Sads | Salamanders (Caudata) | Edwards Aquifer and caves in Texas, USA | Eurycea latitans |
| San Bernardino Mountains Slender Salamander | Salamanders (Caudata) | San Bernardino Mountains in southern California, USA | Batrachoseps campi |
| San Cristobal Island Salamander | Salamanders (Caudata) | Cloud forests in Chiapas, Mexico | Dendrotriton sanctibarbarus |
| San Cristobal Lava Lizard | Salamanders (Caudata) | Streams and ponds in caves of Mexico | Bolitoglossa occidentalis |
| San Gabriel Mountains Slender Salamander | Salamanders (Caudata) | San Gabriel Mountains in southern California, USA | Batrachoseps gabrieli |
| San Gabriel Slender Salamander | Salamanders (Caudata) | San Gabriel Mountains, California, USA | Batrachoseps gabrieli |
| San Lorenzo Island False Brook Salamander | Salamanders (Caudata) | San Lorenzo Island, Mexico | Pseudoeurycea gadovii |
| San Lucas Chirping Frog | Frogs (Anura) | Baja California peninsula, Mexico | Eleutherodactylus lucioi |
| San Lucas Marsupial Frog | Frogs (Anura) | Montane forests in Ecuador | Gastrotheca pseustes |
| San Marcos Dwarf Salamander | Salamanders (Caudata) | Springs and aquifers in Texas, USA | Eurycea pterophila |
| San Marcos Salamander | Salamanders (Caudata) | Spring-fed waters of the San Marcos River, Texas, USA | Eurycea nana |
| San Simeon Slender Salamander | Salamanders (Caudata) | Coastal regions of central California, USA | Batrachoseps incognitus |
| Sand Ridge Salamander | Salamanders (Caudata) | Sandy soils in pine forests of southeastern United States | Plethodon aeneus |
| Sandpaper Frog | Frogs (Anura) | Woodlands and forests of eastern Australia | Lechriodus fletcheri |
| Sandy Spadefoot | Frogs (Anura) | Sandy soils in eastern and central United States | Scaphiopus holbrookii |
| Santa Cruz Black Salamander | Salamanders (Caudata) | Coastal mountains in California, USA | Aneides flavipunctatus niger |
| Santa Cruz Dwarf Frog | Frogs (Anura) | Cloud forests in Bolivia | Noblella carrascoicola |
| Santa Cruz Long-toed Salamander | Salamanders (Caudata) | Coastal regions of Santa Cruz and Monterey Counties, California, USA | Ambystoma macrodactylum croceum |
| Santa Cruz Rain Frog | Frogs (Anura) | Cloud forests in Bolivia | Pristimantis platydactylus |
| Santa Fe Treefrog | Frogs (Anura) | Tropical forests in Colombia | Boana platanera |
| Santa Lucia Mountains Slender Salamander | Salamanders (Caudata) | Santa Lucia Mountains, California, USA | Batrachoseps luciae |
| Sao Francisco Snouted Treefrog | Frogs (Anura) | Atlantic Forest of southeastern Brazil | Scinax x-signatus |
| Sapito Listado | Frogs (Anura) | Forests and grasslands in Argentina and Brazil | Melanophryniscus stelzneri |
| Sapo Tungara | Frogs (Anura) | Rainforests and wet lowlands in Central and South America | Engystomops pustulosus |
| Sardinian Brook Salamander | Salamanders (Caudata) | Streams and springs in Sardinia, Italy | Euproctus platycephalus |
| Sardinian Cave Salamander | Salamanders (Caudata) | Caves and underground streams in Sardinia, Italy | Speleomantes imperialis |
| Sardinian Mountain Newt | Salamanders (Caudata) | Mountain streams and pools in Sardinia, Italy | Euproctus platycephalus |
| Savanna Ridged Frog | Frogs (Anura) | Grasslands and savannas in sub-Saharan Africa | Ptychadena anchietae |
| Savannah Slimy Salamander | Salamanders (Caudata) | Coastal plain forests in southeastern United States | Plethodon savannah |
| Scandinavian Common Frog | Frogs (Anura) | Various habitats across Scandinavia | Rana temporaria |
| Scarlet-sided Pobblebonk | Frogs (Anura) | Eastern Australia | Limnodynastes terraereginae |
| Scarlet-webbed Treefrog | Frogs (Anura) | Tropical rainforests of Central and South America | Hypsiboas rufitelus |
| Scott Bar Salamander | Salamanders (Caudata) | Coniferous forests in northern California, USA | Plethodon asupak |
| Scott's Bar Salamander | Salamanders (Caudata) | Montane forests in Siskiyou County, California, USA | Plethodon asupak |
| Scutari Alpine Newt | Salamanders (Caudata) | Alpine regions in Montenegro and Albania | Ichthyosaura alpestris montenegrina |
| Seal Salamander | Salamanders (Caudata) | Mountain streams in Appalachian Mountains, USA | Desmognathus monticola |
| Seepage Salamander | Salamanders (Caudata) | Seepage areas in southeastern United States | Desmognathus aeneus |
| Seepage Stream Salamander | Salamanders (Caudata) | Small seepages and streams in northeastern United States | Desmognathus aeneus |
| Sequoyah Slimy Salamander | Salamanders (Caudata) | Deciduous forests in southeastern United States | Plethodon sequoyah |
| Seychelles Caecilian | Caecilians (Gymnophiona) | Soil and leaf litter in the Seychelles | Hypogeophis rostratus |
| Seychelles Frog | Frogs (Anura) | Moist forests in the Seychelles islands | Sooglossus sechellensis |
| Seychelles Tree Frog | Frogs (Anura) | Forests in the Seychelles islands | Tachycnemis seychellensis |
| Sharp-nosed Reed Frog | Frogs (Anura) | Wetlands and grasslands in Africa | Hyperolius acuticeps |
| Sharp-ribbed Salamander | Salamanders (Caudata) | Forests and meadows in the Caucasus region | Pleurodeles nebulosus |
| Sharp-snouted Reed Frog | Frogs (Anura) | Savanna and grassland regions of Africa | Hyperolius nasutus |
| Shasta Giant Salamander | Salamanders (Caudata) | Montane forests near Mount Shasta, California, USA | Dicamptodon shastae |
| Shasta Salamander | Salamanders (Caudata) | Limestone outcrops near Shasta Lake, California, USA | Hydromantes shastae |
| Sheep Frog | Frogs (Anura) | Arid and semi-arid regions of southern United States and northern Mexico | Hypopachus variolosus |
| Shenandoah Mountain Salamander | Salamanders (Caudata) | Rocky slopes in Shenandoah Mountains, Virginia, USA | Plethodon virginia |
| Shenandoah Salamander | Salamanders (Caudata) | Talus slopes in Shenandoah National Park, Virginia, USA | Plethodon shenandoah |
| Shenandoah Valley Slimy Salamander | Salamanders (Caudata) | Deciduous forests in Shenandoah Valley, Virginia, USA | Plethodon virginia |
| Shiny Salamander | Salamanders (Caudata) | Piedmont and coastal plain regions of southeastern United States | Pseudotriton montanus |
| Short-footed Frog | Frogs (Anura) | Streams in Papua New Guinea | Rana brachytarsus |
| Short-tailed Salamander | Salamanders (Caudata) | Cloud forests in central and southern Mexico | Bolitoglossa occidentalis |
| Shoshone Burrowing Frog | Frogs (Anura) | Arid regions of western United States | Spea intermontana |
| Shovel-nosed Salamander | Salamanders (Caudata) | Mountain streams of western North Carolina and eastern Tennessee, USA | Desmognathus marmoratus |
| Siamese Caecilian | Caecilians (Gymnophiona) | Moist soil in Thailand and surrounding regions | Ichthyophis kohtaoensis |
| Siberian Salamander | Salamanders (Caudata) | Forests and wetlands of Siberia and northeastern Asia | Salamandrella keyserlingii |
| Sichuan Mountain Salamander | Salamanders (Caudata) | Montane forests in Sichuan Province, China | Batrachuperus tibetanus |
| Sicilian Green Toad | Frogs (Anura) | Mediterranean habitats in Sicily, Italy | Bufotes siculus |
| Sierra Madre Salamander | Salamanders (Caudata) | Pine-oak forests in Sierra Madre Occidental, Mexico | Pseudoeurycea bellii |
| Sierra Madre Yellow-legged Frog | Frogs (Anura) | Mountain streams in southern California, USA | Rana muscosa |
| Sierra Madre de Oaxaca Salamander | Salamanders (Caudata) | Cloud forests in Oaxaca, Mexico | Pseudoeurycea orchileucos |
| Sierra Nevada Ensatina | Salamanders (Caudata) | Coniferous forests of the Sierra Nevada, California, USA | Ensatina eschscholtzii platensis |
| Sierra Nevada Salamander | Salamanders (Caudata) | Mountain streams in Sierra Nevada, Spain | Chioglossa lusitanica |
| Sierra Nevada Torrent Salamander | Salamanders (Caudata) | Cold mountain streams in Sierra Nevada, California, USA | Rhyacotriton olympicus |
| Sierra Nevada Yellow-legged Frog | Frogs (Anura) | High-elevation lakes and streams in the Sierra Nevada, California, USA | Rana sierrae |
| Silver Tree Frog | Frogs (Anura) | Tropical forests in South America | Boana multifasciata |
| Silvery Salamander | Salamanders (Caudata) | Deciduous forests in northeastern and midwestern United States | Ambystoma platineum |
| Sira Poison Frog | Frogs (Anura) | Cloud forests in Sira mountains, Peru | Ameerega sirensis |
| Sirena Caecilian | Caecilians (Gymnophiona) | Tropical forests in Costa Rica | Gymnopis multiplicata |
| Siskiyou Mountains Salamander | Salamanders (Caudata) | Forested rocky slopes in northern California and southern Oregon, USA | Plethodon stormi |
| Slender Glass Frog | Frogs (Anura) | Tropical rainforests in Central and South America | Hyalinobatrachium fleischmanni |
| Slender Lungless Salamander | Salamanders (Caudata) | Tropical forests in Mexico and Guatemala | Oedipina elongata |
| Slimy Salamander | Salamanders (Caudata) | Moist woodlands in eastern and central United States | Plethodon glutinosus complex |
| Slovenian Salamander | Salamanders (Caudata) | Caves and subterranean waters in Slovenia | Proteus anguinus |
| Small-footed Mountain Siren | Salamanders (Caudata) | Mountain streams and springs in western Mexico | Pseudoeurycea leprosa |
| Small-mouthed Salamander | Salamanders (Caudata) | Woodlands and prairies in central United States | Ambystoma texanum |
| Smallmouth Salamander | Salamanders (Caudata) | Wetlands and forests in central and eastern United States | Ambystoma texanum |
| Smoky Jungle Frog | Frogs (Anura) | Rainforests in Central and South America | Leptodactylus pentadactylus |
| Smooth Newt | Salamanders (Caudata) | Ponds and slow-moving water bodies across Europe | Lissotriton vulgaris |
| Smooth Spur-toed Frog | Frogs (Anura) | Rainforests in Southeast Asia | Leptobrachium hasseltii |
| Smooth-sided Toad | Frogs (Anura) | South America | Rhaebo guttatus |
| Solomon Islands Eyelash Frog | Frogs (Anura) | Rainforests of Solomon Islands | Ceratobatrachus guentheri |
| Solomon Islands Leaf Frog | Frogs (Anura) | Rainforests of the Solomon Islands | Ceratobatrachus guentheri |
| Sonoran Desert Toad | Frogs (Anura) | Desert regions of southwestern United States and northwestern Mexico | Incilius alvarius |
| Sonoran Green Toad | Frogs (Anura) | Desert regions in southwestern United States and Mexico | Anaxyrus retiformis |
| Sonoran Salamander | Salamanders (Caudata) | Canyon woodlands in Arizona, USA and Sonora, Mexico | Ambystoma mavortium stebbinsi |
| Sonoran Tiger Salamander | Salamanders (Caudata) | Cattle tanks and ponds in southeastern Arizona, USA | Ambystoma mavortium stebbinsi |
| Souss Valley Toad | Frogs (Anura) | Souss Valley in Morocco | Bufotes boulengeri |
| South China Salamander | Salamanders (Caudata) | Streams and ponds in southern China | Paramesotriton chinensis |
| South Chinese Crocodile Newt | Salamanders (Caudata) | Subtropical forests in southern China | Tylototriton asperrimus |
| South Esk Tadpole Shrimp | Caecilians (Gymnophiona) | Soil in tropical forests of South America | Typhlonectes compressicauda |
| South Indian Caecilian | Caecilians (Gymnophiona) | Western Ghats mountain range, India | Uraeotyphlus narayani |
| South Korean Salamander | Salamanders (Caudata) | Montane forests in South Korea | Hynobius yangi |
| South Yunnan Crocodile Newt | Salamanders (Caudata) | Montane forests in Yunnan Province, China | Tylototriton yangi |
| Southeastern Dwarf Siren | Salamanders (Caudata) | Swamps and ponds in southeastern United States | Pseudobranchus striatus |
| Southeastern Slimy Salamander | Salamanders (Caudata) | Forests in southeastern United States | Plethodon grobmani |
| Southern Appalachian Salamander | Salamanders (Caudata) | High elevation forests in the southern Appalachian Mountains, USA | Plethodon teyahalee |
| Southern Barred Frog | Frogs (Anura) | Forests in southeastern Australia | Mixophyes balbus |
| Southern Bell Frog | Frogs (Anura) | Wetlands in southern Australia | Litoria raniformis |
| Southern Brown Tree Frog | Frogs (Anura) | Forests and grasslands in southern Australia | Litoria ewingii |
| Southern California Slender Salamander | Salamanders (Caudata) | Coastal and foothill regions of southern California, USA | Batrachoseps major |
| Southern Chorus Frog | Frogs (Anura) | Wetlands and woodlands of the southeastern United States | Pseudacris nigrita |
| Southern Corroboree Frog | Frogs (Anura) | Alpine and sub-alpine areas in New South Wales, Australia | Pseudophryne corroboree |
| Southern Crawfish Frog | Frogs (Anura) | Prairies and grasslands in the southern United States | Lithobates areolatus areolatus |
| Southern Crawl Toad | Frogs (Anura) | Arid regions of southwestern United States | Incilius nebulifer |
| Southern Cricket Frog | Frogs (Anura) | Wetlands of the southeastern United States | Acris gryllus |
| Southern Cross-banded Tree Frog | Frogs (Anura) | Montane forests in Papua New Guinea | Litoria micromembrana |
| Southern Dusky Salamander | Salamanders (Caudata) | Small streams and seepages in southeastern United States | Desmognathus auriculatus |
| Southern Four-toed Salamander | Salamanders (Caudata) | Boggy woodlands in eastern United States | Hemidactylium scutatum |
| Southern Gastric-brooding Frog | Frogs (Anura) | Streams in rainforests of Queensland, Australia (extinct) | Rheobatrachus silus |
| Southern Gray Tree Frog | Frogs (Anura) | Woodlands and forests in southeastern United States | Dryophytes chrysoscelis |
| Southern Leopard Frog | Frogs (Anura) | Wetlands of southeastern United States | Lithobates sphenocephalus |
| Southern Mountain Yellow-legged Frog | Frogs (Anura) | High elevation lakes in Sierra Nevada, California, USA | Rana muscosa |
| Southern Plains Spadefoot | Frogs (Anura) | Plains and prairies of central United States | Spea bombifrons |
| Southern Pygmy Salamander | Salamanders (Caudata) | Forests of the southern Appalachian Mountains, USA | Desmognathus wrighti |
| Southern Ravine Salamander | Salamanders (Caudata) | Forested hillsides in Kentucky, Tennessee, and Alabama, USA | Plethodon kentucki |
| Southern Red-backed Salamander | Salamanders (Caudata) | Forests of eastern United States | Plethodon serratus |
| Southern Redback Salamander | Salamanders (Caudata) | Hardwood forests in eastern United States | Plethodon serratus |
| Southern Spadefoot Toad | Frogs (Anura) | Southwestern United States and Mexico | Spea multiplicata |
| Southern Spectacled Salamander | Salamanders (Caudata) | Mountain streams in southern Italy | Salamandrina terdigitata |
| Southern Sticky Frog | Frogs (Anura) | Forests in southern Australia | Limnodynastes dumerilii |
| Southern Toad | Frogs (Anura) | Southeastern United States | Anaxyrus terrestris |
| Southern Toadlet | Frogs (Anura) | Dry forests and heathlands in southeastern Australia | Pseudophryne semimarmorata |
| Southern Torrent Salamander | Salamanders (Caudata) | Cold mountain streams in California and Oregon, USA | Rhyacotriton variegatus |
| Southern Two-lined Salamander | Salamanders (Caudata) | Streams in southeastern United States | Eurycea cirrigera |
| Southern Zigzag Salamander | Salamanders (Caudata) | Forested hillsides in eastern United States | Plethodon ventralis |
| Spadefoot Toad | Frogs (Anura) | Arid and semi-arid regions of North America | Spea spp. |
| Spanish Common Toad | Frogs (Anura) | Various habitats across Spain | Bufo spinosus |
| Spanish Newt | Salamanders (Caudata) | Streams and ponds in Spain and Portugal | Pleurodeles waltl |
| Spanish Pyrenean Newt | Salamanders (Caudata) | Mountain streams in the Pyrenees, Spain and France | Calotriton asper |
| Spanish Ribbed Newt | Salamanders (Caudata) | Ponds and slow-moving waters in Spain, Portugal, and Morocco | Pleurodeles waltl |
| Spectacled Salamander | Salamanders (Caudata) | Forests of the Iberian Peninsula | Salamandrina terdigitata |
| Spine-headed Tree Frog | Frogs (Anura) | Tropical forests of Central and South America | Triprion petasatus |
| Spiny-headed Tree Frog | Frogs (Anura) | Tropical forests of Central and South America | Anotheca spinosa |
| Splendid Leaf Frog | Frogs (Anura) | Lowland rainforests in Central and South America | Cruziohyla calcarifer |
| Spotted Barred Frog | Frogs (Anura) | Streams in eastern Australia | Mixophyes iteratus |
| Spotted Grass Frog | Frogs (Anura) | Grasslands and wetlands of Australia | Limnodynastes tasmaniensis |
| Spotted Marsh Frog | Frogs (Anura) | Ponds and wetlands in Australia | Limnodynastes tasmaniensis |
| Spotted Newt | Salamanders (Caudata) | Ponds and wetlands in eastern North America | Notophthalmus viridescens |
| Spotted Night Caecilian | Caecilians (Gymnophiona) | Moist forest soils in India | Ichthyophis tricolor |
| Spotted Reed Frog | Frogs (Anura) | Wetlands and grasslands in sub-Saharan Africa | Hyperolius substriatus |
| Spotted Salamander | Salamanders (Caudata) | Deciduous forests of eastern North America | Ambystoma maculatum |
| Spotted Shovel-nosed Frog | Frogs (Anura) | Arid regions of Australia | Notaden bennettii |
| Spotted Snout-burrower | Frogs (Anura) | Grasslands and woodlands in Australia | Notaden bennettii |
| Spotted Thigh Frog | Frogs (Anura) | Arid regions of Australia | Limnodynastes tasmaniensis |
| Spotted Tree Frog | Frogs (Anura) | Streams in southeastern Australia | Litoria spenceri |
| Spotted Whistling Frog | Frogs (Anura) | Tropical forests in Australia and Papua New Guinea | Eleutherodactylus johnstonei |
| Spotted-legged Poison Frog | Frogs (Anura) | Rainforests in Colombia and Ecuador | Ameerega bilinguis |
| Spotted-tailed Fire Salamander | Salamanders (Caudata) | Montane forests in Mexico | Pseudoeurycea cephalica |
| Spring Dweller Salamander | Salamanders (Caudata) | Springs and caves in northern Mexico | Eurycea nana |
| Spring Peeper | Frogs (Anura) | Woodlands and wetlands of eastern North America | Pseudacris crucifer |
| Spring Salamander | Salamanders (Caudata) | Clean, cool streams in eastern North America | Gyrinophilus porphyriticus |
| Squirrel Tree Frog | Frogs (Anura) | Southeastern United States | Hyla squirella |
| Sri Lankan Caecilian | Caecilians (Gymnophiona) | Moist soil in forests of Sri Lanka | Ichthyophis glutinosus |
| Star Fingered Toad | Frogs (Anura) | Forests in South America | Leptodactylus podicipinus |
| Stone Mountain Chorus Frog | Frogs (Anura) | Rocky outcrops in southeastern United States | Pseudacris feriarum |
| Strawberry Poison Dart Frog | Frogs (Anura) | Rainforests of Central America | Oophaga pumilio |
| Streambank Frog | Frogs (Anura) | Streams and rainforests in northeastern Australia | Mixophyes coggeri |
| Streamside Salamander | Salamanders (Caudata) | Headwater streams in central eastern United States | Ambystoma barbouri |
| Strecker's Chorus Frog | Frogs (Anura) | Central United States, primarily Texas and Oklahoma | Pseudacris streckeri |
| Striated Caecilian | Caecilians (Gymnophiona) | Tropical forests in South America | Siphonops annulatus |
| Stripe-backed Frog | Frogs (Anura) | Tropical forests in Central and South America | Hylarana erythraea |
| Striped Burrowing Frog | Frogs (Anura) | Semi-arid regions of Australia | Cyclorana alboguttata |
| Striped Marsh Frog | Frogs (Anura) | Wetlands and coastal areas of Australia | Limnodynastes peronii |
| Striped Newt | Salamanders (Caudata) | Pine flatwoods and sandhills in Florida and Georgia, USA | Notophthalmus perstriatus |
| Striped Rocket Frog | Frogs (Anura) | Tropical savanna in northern Australia | Litoria nasuta |
| Striped Stream Salamander | Salamanders (Caudata) | Small streams in eastern United States | Eurycea wilderae |
| Strutting False Brook Salamander | Salamanders (Caudata) | Montane cloud forests in Oaxaca, Mexico | Pseudoeurycea struthi |
| Sumaco Cochran Frog | Frogs (Anura) | Cloud forests in Ecuador | Nymphargus anomalus |
| Sumi Madagaskar Frog | Frogs (Anura) | Rainforests of Madagascar | Mantidactylus guttulatus |
| Sunset Frog | Frogs (Anura) | Peat swamps in southwestern Australia | Spicospina flammocaerulea |
| Surinam Toad | Frogs (Anura) | Slow-moving waters in Amazon Basin, South America | Pipa pipa |
| Suriname Horned Frog | Frogs (Anura) | Amazon Basin in South America | Ceratophrys cornuta |
| Suweon Treefrog | Frogs (Anura) | Rice paddies and wetlands in Korea | Dryophytes suweonensis |
| Swedish Green Toad | Frogs (Anura) | Coastal areas of Sweden | Bufotes viridis |
| Swiss Midwife Toad | Frogs (Anura) | Rocky areas in Switzerland and neighboring countries | Alytes obstetricans |
| São Tomé Caecilian | Caecilians (Gymnophiona) | Forests of São Tomé Island, Gulf of Guinea | Schistometopum thomense |
| São Tomé Giant Tree Frog | Frogs (Anura) | Montane forests in São Tomé Island | Hyperolius thomensis |