There are 197 amphibians that start with the letter R, from Rabb’s Fringe-limbed Treefrog to Río Grande Leopard 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: Rabb's Fringe-limbed Treefrog
Order: Frogs (Anura)
Habitat: Cloud forests of central Panama
Scientific name: Ecnomiohyla rabborum
Name: Rabb's Spiny-chest Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Costa Rica
Scientific name: Strabomantis bufoniformis
Name: Rabbs Salamander
Order: Salamanders (Caudata)
Habitat: Cloud forests of Guatemala
Scientific name: Nyctanolis pernix
Name: Rabbs' Fringe-shanked Treefrog
Order: Frogs (Anura)
Habitat: Montane forests of Central America
Scientific name: Ecnomiohyla rabborum
Name: Radde's Toad
Order: Frogs (Anura)
Habitat: Steppe and semi-desert regions of Central Asia
Scientific name: Bufotes raddei
Name: Rafinesque's Big-eared Frog
Order: Frogs (Anura)
Habitat: Wetlands of North America
Scientific name: Lithobates sylvaticus
Name: Rain Forest Frog
Order: Frogs (Anura)
Habitat: Rainforests of the Amazon Basin
Scientific name: Pristimantis ockendeni
Name: Rain Frog
Order: Frogs (Anura)
Habitat: Various habitats across Africa
Scientific name: Breviceps spp.
Name: Rainbow Burrowing Frog
Order: Frogs (Anura)
Habitat: Arid regions of Australia
Scientific name: Cyclorana platycephala
Name: Rainbow Frog
Order: Frogs (Anura)
Habitat: Forest floors of Madagascar
Scientific name: Scaphiophryne gottlebei
Name: Rainbow Poison Dart Frog
Order: Frogs (Anura)
Habitat: Rainforests of Colombia
Scientific name: Dendrobates leucomelas
Name: Rainbow Wood Frog
Order: Frogs (Anura)
Habitat: Tropical forests of New Guinea
Scientific name: Hylarana daemeli
Name: Rainforest Rocket Frog
Order: Frogs (Anura)
Habitat: Rainforest streams of Central America
Scientific name: Silverstoneia flotator
Name: Rakaia Frog
Order: Frogs (Anura)
Habitat: High-altitude wetlands of New Zealand
Scientific name: Leiopelma rakaiensis
Name: Ramanella Narrow-mouthed Frog
Order: Frogs (Anura)
Habitat: Forests of South Asia
Scientific name: Ramanella spp.
Name: Rameron Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in tropical forests of Africa
Scientific name: Schistometopum thomense
Name: Ramirez's Poison Frog
Order: Frogs (Anura)
Habitat: Tropical forests of Colombia
Scientific name: Ranitomeya bombetes
Name: Rana Brownorum
Order: Frogs (Anura)
Habitat: Montane forests of Mexico
Scientific name: Rana brownorum
Name: Rana Palmipes
Order: Frogs (Anura)
Habitat: Freshwater habitats in South America
Scientific name: Rana palmipes
Name: Ranas's Treefrog
Order: Frogs (Anura)
Habitat: Tropical forests of the Philippines
Scientific name: Philautus surdus
Name: Ranatan Forest Toad
Order: Frogs (Anura)
Habitat: Mountain forests of Madagascar
Scientific name: Scaphiophryne gottlebei
Name: Rancho Grande Glass Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Venezuela
Scientific name: Hyalinobatrachium guairarepanense
Name: Rancho Santa Ana Toad
Order: Frogs (Anura)
Habitat: Coastal plains of California
Scientific name: Anaxyrus californicus
Name: Ranitomeya Fantastica
Order: Frogs (Anura)
Habitat: Lowland rainforests of Peru
Scientific name: Ranitomeya fantastica
Name: Ranomafana Frog
Order: Frogs (Anura)
Habitat: Rainforests of eastern Madagascar
Scientific name: Mantidactylus betsileanus
Name: Raorchestes Frog
Order: Frogs (Anura)
Habitat: Forests of South Asia
Scientific name: Raorchestes spp.
Name: Rattling Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Wet forest soils in South America
Scientific name: Oscaecilia bassleri
Name: Ravine Tree Frog
Order: Frogs (Anura)
Habitat: Forest streams in Southeast Asia
Scientific name: Polypedates zed
Name: Reaser's Tree Frog
Order: Frogs (Anura)
Habitat: Forests of Central America
Scientific name: Duellmanohyla soralia
Name: Red Dead-finger Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Central America
Scientific name: Isthmohyla zeteki
Name: Red Demagnathus Salamander
Order: Salamanders (Caudata)
Habitat: Montane forests of eastern United States
Scientific name: Desmognathus ochrophaeus
Name: Red Hills Salamander
Order: Salamanders (Caudata)
Habitat: Hardwood forests in Alabama, United States
Scientific name: Phaeognathus hubrichti
Name: Red List Treefrog
Order: Frogs (Anura)
Habitat: Coastal forests of Brazil
Scientific name: Scinax alcatraz
Name: Red Mountain Salamander
Order: Salamanders (Caudata)
Habitat: Mountain forests of western North America
Scientific name: Pseudotriton montanus
Name: Red Mountain Thorny Frog
Order: Frogs (Anura)
Habitat: Montane forests of Malaysia
Scientific name: Ingerana baluensis
Name: Red Narrow-mouth Frog
Order: Frogs (Anura)
Habitat: Grasslands and wetlands of North America
Scientific name: Gastrophryne carolinensis
Name: Red Rain Frog
Order: Frogs (Anura)
Habitat: Rainforests of southeastern Brazil
Scientific name: Scythrophrys sawayae
Name: Red Salamander
Order: Salamanders (Caudata)
Habitat: Streams and seeps of eastern United States
Scientific name: Pseudotriton ruber
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Name: Red Salamander (Chinese)
Order: Salamanders (Caudata)
Habitat: Mountain streams in southern China
Scientific name: Pseudohynobius flavomaculatus
Name: Red-backed Broodfrog
Order: Frogs (Anura)
Habitat: Forests and woodlands of Australia
Scientific name: Pseudophryne dendyi
Name: Red-backed Chorus Frog
Order: Frogs (Anura)
Habitat: Wetlands of southwestern United States
Scientific name: Pseudacris maculata
Name: Red-backed Fairybasket Frog
Order: Frogs (Anura)
Habitat: Rainforests of Papua New Guinea
Scientific name: Austrochaperina palmipes
Name: Red-backed Poison Frog
Order: Frogs (Anura)
Habitat: Lowland rainforests of Central and South America
Scientific name: Ranitomeya ventrimaculata
Name: Red-backed Salamander
Order: Salamanders (Caudata)
Habitat: Forests of eastern North America
Scientific name: Plethodon cinereus
Name: Red-bellied Newt
Order: Salamanders (Caudata)
Habitat: Forests and streams in northern California
Scientific name: Taricha rivularis
Name: Red-bellied Padloper
Order: Frogs (Anura)
Habitat: Mountain streams of South Africa
Scientific name: Anhydrophryne rattrayi
Name: Red-bellied Snout Burrower
Order: Frogs (Anura)
Habitat: Dry forests of Australia
Scientific name: Notaden nichollsi
Name: Red-bellied Toad
Order: Frogs (Anura)
Habitat: Streams and forests in southern Brazil, Uruguay, and Argentina
Scientific name: Melanophryniscus stelzneri
Name: Red-chested Pygmy Toad
Order: Frogs (Anura)
Habitat: Mountainous regions of South America
Scientific name: Atelopus ignescens
Name: Red-crowned Toadlet
Order: Frogs (Anura)
Habitat: Sandstone ridges around Sydney, Australia
Scientific name: Pseudophryne australis
Name: Red-eared Bullfrog
Order: Frogs (Anura)
Habitat: Ponds and lakes in southeastern United States
Scientific name: Lithobates catesbeianus
Name: Red-eyed Tree Frog
Order: Frogs (Anura)
Habitat: Lowland rainforests of Central America
Scientific name: Agalychnis callidryas
Name: Red-flanked Treefrog
Order: Frogs (Anura)
Habitat: Forests of West and Central Africa
Scientific name: Hyperolius lateralis
Name: Red-headed Poison Frog
Order: Frogs (Anura)
Habitat: Rainforests of Panama
Scientific name: Dendrobates speciosus
Name: Red-kneed Dart Frog
Order: Frogs (Anura)
Habitat: Tropical forests of Central America
Scientific name: Oophaga pumilio
Name: Red-legged Frog
Order: Frogs (Anura)
Habitat: Ponds and streams along the western coast of North America
Scientific name: Rana aurora
Name: Red-legged Running Frog
Order: Frogs (Anura)
Habitat: Forest floors of Madagascar
Scientific name: Mantidactylus lugubris
Name: Red-legged Salamander
Order: Salamanders (Caudata)
Habitat: Forests of eastern United States
Scientific name: Plethodon shermani
Name: Red-legged Shield-tail
Order: Caecilians (Gymnophiona)
Habitat: Damp forests of India
Scientific name: Uraeotyphlus oxyurus
Name: Red-lined Marsupial Frog
Order: Frogs (Anura)
Habitat: Montane forests of Ecuador
Scientific name: Gastrotheca plumbea
Name: Red-skirted Treefrog
Order: Frogs (Anura)
Habitat: Tropical forests of Panama and Colombia
Scientific name: Dendropsophus ebraccatus
Name: Red-snouted Treefrog
Order: Frogs (Anura)
Habitat: Lowland rainforests of South America
Scientific name: Scinax ruber
Name: Red-spotted Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soil in forests of South America
Scientific name: Rhinatrema bivittatum
Name: Red-spotted Glassfrog
Order: Frogs (Anura)
Habitat: Streams in montane forests of Colombia and Ecuador
Scientific name: Nymphargus grandisonae
Name: Red-spotted Newt
Order: Salamanders (Caudata)
Habitat: Forests and ponds of eastern North America
Scientific name: Notophthalmus viridescens
Name: Red-spotted Toad
Order: Frogs (Anura)
Habitat: Arid regions of southwestern United States and Mexico
Scientific name: Anaxyrus punctatus
Name: Red-spotted Torrent Frog
Order: Frogs (Anura)
Habitat: Fast-flowing streams in Southeast Asia
Scientific name: Amolops spp.
Name: Red-thighed Monkey Frog
Order: Frogs (Anura)
Habitat: Rainforests of South America
Scientific name: Pithecopus hypochondrialis
Name: Red-throated Litter Frog
Order: Frogs (Anura)
Habitat: Forest floors of Southeast Asia
Scientific name: Leptobrachium hendricksoni
Name: Red-toed Treefrog
Order: Frogs (Anura)
Habitat: Lowland wet forests of Central America
Scientific name: Litoria rubella
Name: Red-webbed Flying Frog
Order: Frogs (Anura)
Habitat: Rainforests of Indonesia and Malaysia
Scientific name: Rhacophorus reinwardtii
Name: Red-webbed Treefrog
Order: Frogs (Anura)
Habitat: Lowland rainforests of Southeast Asia
Scientific name: Rhacophorus reinwardtii
Name: Redback Toadlet
Order: Frogs (Anura)
Habitat: Heathlands and forests of eastern Australia
Scientific name: Pseudophryne coriacea
Name: Reddish Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in tropical South America
Scientific name: Geotrypetes seraphini
Name: Redwood Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in tropical forests of South America
Scientific name: Epicrionops spp.
Name: Reed Frog
Order: Frogs (Anura)
Habitat: Wetlands and grasslands across sub-Saharan Africa
Scientific name: Hyperolius spp.
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Name: Reed Frog (Hyperolius viridiflavus)
Order: Frogs (Anura)
Habitat: Wetlands of eastern Africa
Scientific name: Hyperolius viridiflavus
Name: Reef Frog
Order: Frogs (Anura)
Habitat: Coastal environments of the Caribbean
Scientific name: Eleutherodactylus antillensis
Name: Regal Poison Frog
Order: Frogs (Anura)
Habitat: Lowland rainforests of Panama
Scientific name: Oophaga speciosa
Name: Relict Leopard Frog
Order: Frogs (Anura)
Habitat: Springs and streams around the Virgin River in Nevada and Arizona
Scientific name: Lithobates onca
Name: Resting Frog
Order: Frogs (Anura)
Habitat: Forests of northern Australia
Scientific name: Taudactylus acutirostris
Name: Reticular Leaf Frog
Order: Frogs (Anura)
Habitat: Rainforests of Southeast Asia
Scientific name: Rhacophorus reinwardtii
Name: Reticulate Snouted Treefrog
Order: Frogs (Anura)
Habitat: Forests of Central America
Scientific name: Scinax elaeochrous
Name: Reticulated Poison Frog
Order: Frogs (Anura)
Habitat: Rainforests of Peru
Scientific name: Ranitomeya reticulata
Name: Reuss's Spiny-tailed Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in tropical forests of Africa
Scientific name: Boulengerula boulengeri
Name: Rhacophorus Frog
Order: Frogs (Anura)
Habitat: Tropical forests of East and Southeast Asia
Scientific name: Rhacophorus spp.
Name: Rhaebo Guttatus
Order: Frogs (Anura)
Habitat: Rainforests of the Amazon Basin
Scientific name: Rhaebo guttatus
Name: Rhaebo Toad
Order: Frogs (Anura)
Habitat: Tropical forests of Central and South America
Scientific name: Rhaebo spp.
Name: Rhinella Marina
Order: Frogs (Anura)
Habitat: Various habitats across Central and South America
Scientific name: Rhinella marina
Name: Rhinoceros Bush Frog
Order: Frogs (Anura)
Habitat: Forests of the Western Ghats, India
Scientific name: Raorchestes nasutus
Name: Rhodope Stream Frog
Order: Frogs (Anura)
Habitat: Mountain streams in the Balkans
Scientific name: Rana graeca
Name: Ribbed Newt
Order: Salamanders (Caudata)
Habitat: Wetlands of Spain, Portugal, and Morocco
Scientific name: Pleurodeles waltl
Name: Ribeiroia Salamander
Order: Salamanders (Caudata)
Habitat: Mountain streams of Brazil
Scientific name: Bolitoglossa paraensis
Name: Rice Field Frog
Order: Frogs (Anura)
Habitat: Rice paddies and wetlands in Asia
Scientific name: Fejervarya limnocharis
Name: Richardson's Masked Treefrog
Order: Frogs (Anura)
Habitat: Tropical forests of Central America
Scientific name: Smilisca phaeota
Name: Richmond Range Mountain Frog
Order: Frogs (Anura)
Habitat: High-elevation rainforests of Australia
Scientific name: Philoria richmondensis
Name: Richter's Reed Frog
Order: Frogs (Anura)
Habitat: Wetlands of East Africa
Scientific name: Hyperolius viridiflavus
Name: Ridged-back Frog
Order: Frogs (Anura)
Habitat: Swamps and marshes of East Africa
Scientific name: Ptychadena spp.
Name: Ridged-nosed Salamander
Order: Salamanders (Caudata)
Habitat: Mountainous regions of the southwestern United States
Scientific name: Plethodon richmondi
Name: Ridgefoot Moss Frog
Order: Frogs (Anura)
Habitat: Mossy areas in South African mountains
Scientific name: Anhydrophryne rattrayi
Name: Ridley's Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in forests of India
Scientific name: Uraeotyphlus narayani
Name: Ridley's Tree Frog
Order: Frogs (Anura)
Habitat: Rainforests of Papua New Guinea
Scientific name: Litoria infrafrenata
Name: Rillito Leopard Frog
Order: Frogs (Anura)
Habitat: Riparian areas in southwestern United States
Scientific name: Lithobates chiricahuensis
Name: Rimba Stream Frog
Order: Frogs (Anura)
Habitat: Forest streams of Malaysia and Indonesia
Scientific name: Meristogenys spp.
Name: Rincon False Brook Salamander
Order: Salamanders (Caudata)
Habitat: Mountain streams of southwestern United States
Scientific name: Pseudoeurycea gadovii
Name: Rincon Marsupial Frog
Order: Frogs (Anura)
Habitat: Cloud forests of South America
Scientific name: Gastrotheca orophylax
Name: Rincon Mountains Salamander
Order: Salamanders (Caudata)
Habitat: High-elevation forests of Arizona
Scientific name: Plethodon neomexicanus
Name: Rincon Whistling Frog
Order: Frogs (Anura)
Habitat: Forests of Puerto Rico
Scientific name: Eleutherodactylus juanariveroi
Name: Ring-back Cascade Frog
Order: Frogs (Anura)
Habitat: Fast-flowing streams of Southeast Asia
Scientific name: Amolops spp.
Name: Ring-necked Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in Sri Lanka
Scientific name: Ichthyophis glutinosus
Name: Ringed Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils of South America
Scientific name: Siphonops annulatus
Name: Ringed Salamander
Order: Salamanders (Caudata)
Habitat: Woodlands and prairies in the Ozark region of United States
Scientific name: Ambystoma annulatum
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Name: Ringed Salamander (European)
Order: Salamanders (Caudata)
Habitat: Wet forests of central Europe
Scientific name: Salamandra salamandra
Name: Ringed Shovel-nosed Frog
Order: Frogs (Anura)
Habitat: Arid regions of Australia
Scientific name: Notaden nichollsi
Name: Ringed Slender Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in tropical Africa
Scientific name: Gymnopis multiplicata
Name: Ringed Whipping Frog
Order: Frogs (Anura)
Habitat: Forest floors of Southeast Asia
Scientific name: Polypedates leucomystax
Name: Rio Azul Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils near Rio Azul in Brazil
Scientific name: Caecilia marcusi
Name: Rio Branco Snouted Treefrog
Order: Frogs (Anura)
Habitat: Tropical forests of Brazil
Scientific name: Scinax ruber
Name: Rio Cajamarca Glass Frog
Order: Frogs (Anura)
Habitat: Streams in the Andes of Peru
Scientific name: Centrolene buckleyi
Name: Rio Cauca Glass Frog
Order: Frogs (Anura)
Habitat: Streams along the Rio Cauca in Colombia
Scientific name: Nymphargus ignotus
Name: Rio Coco Frog
Order: Frogs (Anura)
Habitat: Streams along the Rio Coco in Central America
Scientific name: Duellmanohyla uranochroa
Name: Rio Conchos Leopard Frog
Order: Frogs (Anura)
Habitat: River systems in northern Mexico
Scientific name: Lithobates johni
Name: Rio Grande Chirping Frog
Order: Frogs (Anura)
Habitat: Subtropical regions of United States and Mexico
Scientific name: Eleutherodactylus cystignathoides
Name: Rio Grande Leopard Frog
Order: Frogs (Anura)
Habitat: Rivers and streams in southwestern United States and northern Mexico
Scientific name: Lithobates berlandieri
Name: Rio Madeira Tree Toad
Order: Frogs (Anura)
Habitat: Forests along the Rio Madeira in Brazil
Scientific name: Rhinella castaneotica
Name: Rio Negro Glass Frog
Order: Frogs (Anura)
Habitat: Streams near the Rio Negro in South America
Scientific name: Cochranella nola
Name: Rio Pescado Stubfoot Toad
Order: Frogs (Anura)
Habitat: Streams in humid forests of southwestern Ecuador
Scientific name: Atelopus balios
Name: Rio Sutlep Frog
Order: Frogs (Anura)
Habitat: Stream habitats in Mexico
Scientific name: Tlalocohyla smithii
Name: Riobamba Marsupial Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Ecuador
Scientific name: Gastrotheca riobambae
Name: River Frog
Order: Frogs (Anura)
Habitat: River systems of southeastern United States
Scientific name: Rana heckscheri
Name: Rivero's Frog
Order: Frogs (Anura)
Habitat: Montane forests of Venezuela
Scientific name: Pristimantis riveroi
Name: Rivero's Glass Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Venezuela
Scientific name: Hyalinobatrachium rivale
Name: Roaring Creek Frog
Order: Frogs (Anura)
Habitat: Fast-flowing streams in Central America
Scientific name: Craugastor rugulosus
Name: Robber Frog
Order: Frogs (Anura)
Habitat: Moist forests of Central America
Scientific name: Craugastor spp.
Name: Robust Frog
Order: Frogs (Anura)
Habitat: Rocky streams in mountains of southern Europe
Scientific name: Rana temporaria
Name: Rock Climbing Salamander
Order: Salamanders (Caudata)
Habitat: Rocky habitats in Mexico
Scientific name: Chiropterotriton spp.
Name: Rock Pocket Frog
Order: Frogs (Anura)
Habitat: Rocky outcrops in West Africa
Scientific name: Petropedetes spp.
Name: Rock Pocket Toad
Order: Frogs (Anura)
Habitat: Rocky areas in dry regions of Africa
Scientific name: Poyntonophrynus spp.
Name: Rock Pool Frog
Order: Frogs (Anura)
Habitat: Rocky pools in mountainous regions of Australia
Scientific name: Litoria lesueurii
Name: Rock River Frog
Order: Frogs (Anura)
Habitat: Rocky streams of southern Africa
Scientific name: Amietia fuscigula
Name: Rock River Tree Frog
Order: Frogs (Anura)
Habitat: Rocky stream habitats in Africa
Scientific name: Leptopelis natalensis
Name: Rock Rubber Frog
Order: Frogs (Anura)
Habitat: Rocky outcrops in wet forests of Africa
Scientific name: Phrynobatrachus saxicola
Name: Rocket Frog
Order: Frogs (Anura)
Habitat: Streams and ponds in Central and South America
Scientific name: Colostethus spp.
Name: Rocky Mountain Boreal Toad
Order: Frogs (Anura)
Habitat: Alpine regions of western North America
Scientific name: Anaxyrus boreas boreas
Name: Rocky Mountain Stream Salamander
Order: Salamanders (Caudata)
Habitat: Cold mountain streams of western North America
Scientific name: Rhyacotriton olympicus
Name: Rocky Mountain Tailed Frog
Order: Frogs (Anura)
Habitat: Cold, fast-flowing streams in western North America
Scientific name: Ascaphus montanus
Name: Rococo Toad
Order: Frogs (Anura)
Habitat: Wooded savannas of South America
Scientific name: Rhinella schneideri
Name: Rodrigues Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Soil and leaf litter on Rodrigues Island
Scientific name: Hypogeophis rostratus
Name: Rodrigues Reed Frog
Order: Frogs (Anura)
Habitat: Wetlands of Rodrigues Island
Scientific name: Heterixalus luteostriatus
Name: Roloway Leaf Frog
Order: Frogs (Anura)
Habitat: Forests of West Africa
Scientific name: Leptopelis spiritusnoctis
Name: Roosevelt Island Glass Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Costa Rica
Scientific name: Teratohyla pulverata
Name: Roosevelt's Forest Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Forest floors of South America
Scientific name: Mimosiphonops vermiculatus
Name: Roque Micro Glass Frog
Order: Frogs (Anura)
Habitat: Stream habitats in northern Venezuela
Scientific name: Hyalinobatrachium fragile
Name: Roraima Bush Toad
Order: Frogs (Anura)
Habitat: Cloud forests of the tepuis in Venezuela, Brazil, and Guyana
Scientific name: Oreophrynella quelchii
Name: Roraima Glass Frog
Order: Frogs (Anura)
Habitat: Cloud forests of the tepuis in Venezuela
Scientific name: Hyalinobatrachium cappellei
Name: Roraima Toad
Order: Frogs (Anura)
Habitat: High-elevation plateaus in Venezuela
Scientific name: Oreophrynella macconnelli
Name: Rosablanca Robber Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Colombia
Scientific name: Pristimantis sanguineus
Name: Rose-spotted Leaf Frog
Order: Frogs (Anura)
Habitat: Lowland forests of Borneo
Scientific name: Rhacophorus rhodopus
Name: Rosenberg's Treefrog
Order: Frogs (Anura)
Habitat: Tropical forests of Papua New Guinea
Scientific name: Litoria rosenbergi
Name: Rosso's Ghost Frog
Order: Frogs (Anura)
Habitat: Mountains of South Africa
Scientific name: Heleophryne rosei
Name: Rothschild's Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Ecuador
Scientific name: Atelopus ignescens
Name: Rough Moss Frog
Order: Frogs (Anura)
Habitat: Mossy areas of South Africa
Scientific name: Arthroleptella rugosa
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Name: Rough Moss Frog (European)
Order: Frogs (Anura)
Habitat: Mossy areas in European mountains
Scientific name: Rana temporaria
Name: Rough Ridge Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Mountain forests of Southeast Asia
Scientific name: Ichthyophis kohtaoensis
Name: Rough-back Forest Frog
Order: Frogs (Anura)
Habitat: Forest floors of Australia
Scientific name: Sphenophryne cornuta
Name: Rough-skinned Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in tropical forests of South America
Scientific name: Caecilia tentaculata
Name: Rough-skinned Giant Salamander
Order: Salamanders (Caudata)
Habitat: Mountain streams of China and Japan
Scientific name: Andrias davidianus
Name: Rough-skinned Newt
Order: Salamanders (Caudata)
Habitat: Wet forests along the Pacific coast of North America
Scientific name: Taricha granulosa
Name: Rough-skinned Tree Frog
Order: Frogs (Anura)
Habitat: Forests of Australia
Scientific name: Litoria wilcoxii
Name: Round-tongued Floating Frog
Order: Frogs (Anura)
Habitat: Ponds and slow-moving streams in Southeast Asia
Scientific name: Occidozyga lima
Name: Rowell's Spiny-Throated Reed Frog
Order: Frogs (Anura)
Habitat: Wetlands of East Africa
Scientific name: Hyperolius spinigularis
Name: Rubber Frog
Order: Frogs (Anura)
Habitat: Rainforests of Southeast Asia
Scientific name: Phrynella pulchra
Name: Rubio's Robber Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Central America
Scientific name: Craugastor rubioi
Name: Ruby Poison Frog
Order: Frogs (Anura)
Habitat: Rainforests of central Panama
Scientific name: Oophaga pumilio
Name: Rufescent Burrowing Frog
Order: Frogs (Anura)
Habitat: Arid regions of South America
Scientific name: Pleurodema guayapae
Name: Ruficostatus Rain Frog
Order: Frogs (Anura)
Habitat: Humid forests of Costa Rica and Panama
Scientific name: Pristimantis ruficostatus
Name: Rufous Burrowing Caecilian
Order: Caecilians (Gymnophiona)
Habitat: Moist soils in tropical Asia
Scientific name: Ichthyophis kohtaoensis
Name: Rufous Burrowing Frog
Order: Frogs (Anura)
Habitat: Dry forests of South America
Scientific name: Odontophrynus americanus
Name: Rufous Forest Toad
Order: Frogs (Anura)
Habitat: Rainforests of Southeast Asia
Scientific name: Ansonia muelleri
Name: Rufous Frog
Order: Frogs (Anura)
Habitat: Forest floors of South America
Scientific name: Leptodactylus fuscus
Name: Rufous-eyed Brook Frog
Order: Frogs (Anura)
Habitat: Mountain streams of Southeast Asia
Scientific name: Leptobrachium rufipes
Name: Rugose Poison Dart Frog
Order: Frogs (Anura)
Habitat: Rainforests of Colombia and Ecuador
Scientific name: Ameerega hahneli
Name: Rugose Poison Frog
Order: Frogs (Anura)
Habitat: Rainforests of Ecuador and Colombia
Scientific name: Ameerega hahneli
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Name: Rugose Poison Frog (Western)
Order: Frogs (Anura)
Habitat: Rainforests of western Ecuador
Scientific name: Epipedobates boulengeri
Name: Ruiz's Rocket Frog
Order: Frogs (Anura)
Habitat: Fast-flowing streams in Colombia
Scientific name: Rheobates palmatus
Name: Rungwe Dancing Frog
Order: Frogs (Anura)
Habitat: High-altitude forests of Tanzania
Scientific name: Arthroleptis spp.
Name: Russet Bush Frog
Order: Frogs (Anura)
Habitat: Forests of the Western Ghats, India
Scientific name: Raorchestes bombayensis
Name: Russet-backed Poison Frog
Order: Frogs (Anura)
Habitat: Lowland rainforests of Ecuador and Colombia
Scientific name: Epipedobates boulengeri
Name: Rust-backed Rain Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Ecuador
Scientific name: Pristimantis rubicundus
Name: Rusty Forest Frog
Order: Frogs (Anura)
Habitat: Humid forests of New Guinea
Scientific name: Sphenophryne cornuta
Name: Rusty Mushmouth Frog
Order: Frogs (Anura)
Habitat: Forest floors of Southeast Asia
Scientific name: Microhyla rubra
Name: Rusty Plated Lizard Frog
Order: Frogs (Anura)
Habitat: Cloud forests of Central America
Scientific name: Strabomantis ruizi
Name: Rusty Spike-thumb Frog
Order: Frogs (Anura)
Habitat: Lowland rainforests of Southeast Asia
Scientific name: Leptobrachium hendricksoni
Name: Rusty Treefrog
Order: Frogs (Anura)
Habitat: Tropical forests of Central and South America
Scientific name: Hypsiboas boans
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Name: Rusty Treefrog (Asian)
Order: Frogs (Anura)
Habitat: Forests of Southeast Asia
Scientific name: Polypedates cruciger
Name: Ruwenzori Reed Frog
Order: Frogs (Anura)
Habitat: High-altitude wetlands in Ruwenzori Mountains, Africa
Scientific name: Hyperolius castaneus
Name: Río Grande Leopard Frog
Order: Frogs (Anura)
Habitat: Rio Grande watershed in North America
Scientific name: Lithobates berlandieri
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Rabb's Fringe-limbed Treefrog | Frogs (Anura) | Cloud forests of central Panama | Ecnomiohyla rabborum |
| Rabb's Spiny-chest Frog | Frogs (Anura) | Cloud forests of Costa Rica | Strabomantis bufoniformis |
| Rabbs Salamander | Salamanders (Caudata) | Cloud forests of Guatemala | Nyctanolis pernix |
| Rabbs' Fringe-shanked Treefrog | Frogs (Anura) | Montane forests of Central America | Ecnomiohyla rabborum |
| Radde's Toad | Frogs (Anura) | Steppe and semi-desert regions of Central Asia | Bufotes raddei |
| Rafinesque's Big-eared Frog | Frogs (Anura) | Wetlands of North America | Lithobates sylvaticus |
| Rain Forest Frog | Frogs (Anura) | Rainforests of the Amazon Basin | Pristimantis ockendeni |
| Rain Frog | Frogs (Anura) | Various habitats across Africa | Breviceps spp. |
| Rainbow Burrowing Frog | Frogs (Anura) | Arid regions of Australia | Cyclorana platycephala |
| Rainbow Frog | Frogs (Anura) | Forest floors of Madagascar | Scaphiophryne gottlebei |
| Rainbow Poison Dart Frog | Frogs (Anura) | Rainforests of Colombia | Dendrobates leucomelas |
| Rainbow Wood Frog | Frogs (Anura) | Tropical forests of New Guinea | Hylarana daemeli |
| Rainforest Rocket Frog | Frogs (Anura) | Rainforest streams of Central America | Silverstoneia flotator |
| Rakaia Frog | Frogs (Anura) | High-altitude wetlands of New Zealand | Leiopelma rakaiensis |
| Ramanella Narrow-mouthed Frog | Frogs (Anura) | Forests of South Asia | Ramanella spp. |
| Rameron Caecilian | Caecilians (Gymnophiona) | Moist soils in tropical forests of Africa | Schistometopum thomense |
| Ramirez's Poison Frog | Frogs (Anura) | Tropical forests of Colombia | Ranitomeya bombetes |
| Rana Brownorum | Frogs (Anura) | Montane forests of Mexico | Rana brownorum |
| Rana Palmipes | Frogs (Anura) | Freshwater habitats in South America | Rana palmipes |
| Ranas's Treefrog | Frogs (Anura) | Tropical forests of the Philippines | Philautus surdus |
| Ranatan Forest Toad | Frogs (Anura) | Mountain forests of Madagascar | Scaphiophryne gottlebei |
| Rancho Grande Glass Frog | Frogs (Anura) | Cloud forests of Venezuela | Hyalinobatrachium guairarepanense |
| Rancho Santa Ana Toad | Frogs (Anura) | Coastal plains of California | Anaxyrus californicus |
| Ranitomeya Fantastica | Frogs (Anura) | Lowland rainforests of Peru | Ranitomeya fantastica |
| Ranomafana Frog | Frogs (Anura) | Rainforests of eastern Madagascar | Mantidactylus betsileanus |
| Raorchestes Frog | Frogs (Anura) | Forests of South Asia | Raorchestes spp. |
| Rattling Caecilian | Caecilians (Gymnophiona) | Wet forest soils in South America | Oscaecilia bassleri |
| Ravine Tree Frog | Frogs (Anura) | Forest streams in Southeast Asia | Polypedates zed |
| Reaser's Tree Frog | Frogs (Anura) | Forests of Central America | Duellmanohyla soralia |
| Red Dead-finger Frog | Frogs (Anura) | Cloud forests of Central America | Isthmohyla zeteki |
| Red Demagnathus Salamander | Salamanders (Caudata) | Montane forests of eastern United States | Desmognathus ochrophaeus |
| Red Hills Salamander | Salamanders (Caudata) | Hardwood forests in Alabama, United States | Phaeognathus hubrichti |
| Red List Treefrog | Frogs (Anura) | Coastal forests of Brazil | Scinax alcatraz |
| Red Mountain Salamander | Salamanders (Caudata) | Mountain forests of western North America | Pseudotriton montanus |
| Red Mountain Thorny Frog | Frogs (Anura) | Montane forests of Malaysia | Ingerana baluensis |
| Red Narrow-mouth Frog | Frogs (Anura) | Grasslands and wetlands of North America | Gastrophryne carolinensis |
| Red Rain Frog | Frogs (Anura) | Rainforests of southeastern Brazil | Scythrophrys sawayae |
| Red Salamander | Salamanders (Caudata) | Streams and seeps of eastern United States | Pseudotriton ruber |
| Red Salamander (Chinese) | Salamanders (Caudata) | Mountain streams in southern China | Pseudohynobius flavomaculatus |
| Red-backed Broodfrog | Frogs (Anura) | Forests and woodlands of Australia | Pseudophryne dendyi |
| Red-backed Chorus Frog | Frogs (Anura) | Wetlands of southwestern United States | Pseudacris maculata |
| Red-backed Fairybasket Frog | Frogs (Anura) | Rainforests of Papua New Guinea | Austrochaperina palmipes |
| Red-backed Poison Frog | Frogs (Anura) | Lowland rainforests of Central and South America | Ranitomeya ventrimaculata |
| Red-backed Salamander | Salamanders (Caudata) | Forests of eastern North America | Plethodon cinereus |
| Red-bellied Newt | Salamanders (Caudata) | Forests and streams in northern California | Taricha rivularis |
| Red-bellied Padloper | Frogs (Anura) | Mountain streams of South Africa | Anhydrophryne rattrayi |
| Red-bellied Snout Burrower | Frogs (Anura) | Dry forests of Australia | Notaden nichollsi |
| Red-bellied Toad | Frogs (Anura) | Streams and forests in southern Brazil, Uruguay, and Argentina | Melanophryniscus stelzneri |
| Red-chested Pygmy Toad | Frogs (Anura) | Mountainous regions of South America | Atelopus ignescens |
| Red-crowned Toadlet | Frogs (Anura) | Sandstone ridges around Sydney, Australia | Pseudophryne australis |
| Red-eared Bullfrog | Frogs (Anura) | Ponds and lakes in southeastern United States | Lithobates catesbeianus |
| Red-eyed Tree Frog | Frogs (Anura) | Lowland rainforests of Central America | Agalychnis callidryas |
| Red-flanked Treefrog | Frogs (Anura) | Forests of West and Central Africa | Hyperolius lateralis |
| Red-headed Poison Frog | Frogs (Anura) | Rainforests of Panama | Dendrobates speciosus |
| Red-kneed Dart Frog | Frogs (Anura) | Tropical forests of Central America | Oophaga pumilio |
| Red-legged Frog | Frogs (Anura) | Ponds and streams along the western coast of North America | Rana aurora |
| Red-legged Running Frog | Frogs (Anura) | Forest floors of Madagascar | Mantidactylus lugubris |
| Red-legged Salamander | Salamanders (Caudata) | Forests of eastern United States | Plethodon shermani |
| Red-legged Shield-tail | Caecilians (Gymnophiona) | Damp forests of India | Uraeotyphlus oxyurus |
| Red-lined Marsupial Frog | Frogs (Anura) | Montane forests of Ecuador | Gastrotheca plumbea |
| Red-skirted Treefrog | Frogs (Anura) | Tropical forests of Panama and Colombia | Dendropsophus ebraccatus |
| Red-snouted Treefrog | Frogs (Anura) | Lowland rainforests of South America | Scinax ruber |
| Red-spotted Caecilian | Caecilians (Gymnophiona) | Moist soil in forests of South America | Rhinatrema bivittatum |
| Red-spotted Glassfrog | Frogs (Anura) | Streams in montane forests of Colombia and Ecuador | Nymphargus grandisonae |
| Red-spotted Newt | Salamanders (Caudata) | Forests and ponds of eastern North America | Notophthalmus viridescens |
| Red-spotted Toad | Frogs (Anura) | Arid regions of southwestern United States and Mexico | Anaxyrus punctatus |
| Red-spotted Torrent Frog | Frogs (Anura) | Fast-flowing streams in Southeast Asia | Amolops spp. |
| Red-thighed Monkey Frog | Frogs (Anura) | Rainforests of South America | Pithecopus hypochondrialis |
| Red-throated Litter Frog | Frogs (Anura) | Forest floors of Southeast Asia | Leptobrachium hendricksoni |
| Red-toed Treefrog | Frogs (Anura) | Lowland wet forests of Central America | Litoria rubella |
| Red-webbed Flying Frog | Frogs (Anura) | Rainforests of Indonesia and Malaysia | Rhacophorus reinwardtii |
| Red-webbed Treefrog | Frogs (Anura) | Lowland rainforests of Southeast Asia | Rhacophorus reinwardtii |
| Redback Toadlet | Frogs (Anura) | Heathlands and forests of eastern Australia | Pseudophryne coriacea |
| Reddish Caecilian | Caecilians (Gymnophiona) | Moist soils in tropical South America | Geotrypetes seraphini |
| Redwood Caecilian | Caecilians (Gymnophiona) | Moist soils in tropical forests of South America | Epicrionops spp. |
| Reed Frog | Frogs (Anura) | Wetlands and grasslands across sub-Saharan Africa | Hyperolius spp. |
| Reed Frog (Hyperolius viridiflavus) | Frogs (Anura) | Wetlands of eastern Africa | Hyperolius viridiflavus |
| Reef Frog | Frogs (Anura) | Coastal environments of the Caribbean | Eleutherodactylus antillensis |
| Regal Poison Frog | Frogs (Anura) | Lowland rainforests of Panama | Oophaga speciosa |
| Relict Leopard Frog | Frogs (Anura) | Springs and streams around the Virgin River in Nevada and Arizona | Lithobates onca |
| Resting Frog | Frogs (Anura) | Forests of northern Australia | Taudactylus acutirostris |
| Reticular Leaf Frog | Frogs (Anura) | Rainforests of Southeast Asia | Rhacophorus reinwardtii |
| Reticulate Snouted Treefrog | Frogs (Anura) | Forests of Central America | Scinax elaeochrous |
| Reticulated Poison Frog | Frogs (Anura) | Rainforests of Peru | Ranitomeya reticulata |
| Reuss's Spiny-tailed Caecilian | Caecilians (Gymnophiona) | Moist soils in tropical forests of Africa | Boulengerula boulengeri |
| Rhacophorus Frog | Frogs (Anura) | Tropical forests of East and Southeast Asia | Rhacophorus spp. |
| Rhaebo Guttatus | Frogs (Anura) | Rainforests of the Amazon Basin | Rhaebo guttatus |
| Rhaebo Toad | Frogs (Anura) | Tropical forests of Central and South America | Rhaebo spp. |
| Rhinella Marina | Frogs (Anura) | Various habitats across Central and South America | Rhinella marina |
| Rhinoceros Bush Frog | Frogs (Anura) | Forests of the Western Ghats, India | Raorchestes nasutus |
| Rhodope Stream Frog | Frogs (Anura) | Mountain streams in the Balkans | Rana graeca |
| Ribbed Newt | Salamanders (Caudata) | Wetlands of Spain, Portugal, and Morocco | Pleurodeles waltl |
| Ribeiroia Salamander | Salamanders (Caudata) | Mountain streams of Brazil | Bolitoglossa paraensis |
| Rice Field Frog | Frogs (Anura) | Rice paddies and wetlands in Asia | Fejervarya limnocharis |
| Richardson's Masked Treefrog | Frogs (Anura) | Tropical forests of Central America | Smilisca phaeota |
| Richmond Range Mountain Frog | Frogs (Anura) | High-elevation rainforests of Australia | Philoria richmondensis |
| Richter's Reed Frog | Frogs (Anura) | Wetlands of East Africa | Hyperolius viridiflavus |
| Ridged-back Frog | Frogs (Anura) | Swamps and marshes of East Africa | Ptychadena spp. |
| Ridged-nosed Salamander | Salamanders (Caudata) | Mountainous regions of the southwestern United States | Plethodon richmondi |
| Ridgefoot Moss Frog | Frogs (Anura) | Mossy areas in South African mountains | Anhydrophryne rattrayi |
| Ridley's Caecilian | Caecilians (Gymnophiona) | Moist soils in forests of India | Uraeotyphlus narayani |
| Ridley's Tree Frog | Frogs (Anura) | Rainforests of Papua New Guinea | Litoria infrafrenata |
| Rillito Leopard Frog | Frogs (Anura) | Riparian areas in southwestern United States | Lithobates chiricahuensis |
| Rimba Stream Frog | Frogs (Anura) | Forest streams of Malaysia and Indonesia | Meristogenys spp. |
| Rincon False Brook Salamander | Salamanders (Caudata) | Mountain streams of southwestern United States | Pseudoeurycea gadovii |
| Rincon Marsupial Frog | Frogs (Anura) | Cloud forests of South America | Gastrotheca orophylax |
| Rincon Mountains Salamander | Salamanders (Caudata) | High-elevation forests of Arizona | Plethodon neomexicanus |
| Rincon Whistling Frog | Frogs (Anura) | Forests of Puerto Rico | Eleutherodactylus juanariveroi |
| Ring-back Cascade Frog | Frogs (Anura) | Fast-flowing streams of Southeast Asia | Amolops spp. |
| Ring-necked Caecilian | Caecilians (Gymnophiona) | Moist soils in Sri Lanka | Ichthyophis glutinosus |
| Ringed Caecilian | Caecilians (Gymnophiona) | Moist soils of South America | Siphonops annulatus |
| Ringed Salamander | Salamanders (Caudata) | Woodlands and prairies in the Ozark region of United States | Ambystoma annulatum |
| Ringed Salamander (European) | Salamanders (Caudata) | Wet forests of central Europe | Salamandra salamandra |
| Ringed Shovel-nosed Frog | Frogs (Anura) | Arid regions of Australia | Notaden nichollsi |
| Ringed Slender Caecilian | Caecilians (Gymnophiona) | Moist soils in tropical Africa | Gymnopis multiplicata |
| Ringed Whipping Frog | Frogs (Anura) | Forest floors of Southeast Asia | Polypedates leucomystax |
| Rio Azul Caecilian | Caecilians (Gymnophiona) | Moist soils near Rio Azul in Brazil | Caecilia marcusi |
| Rio Branco Snouted Treefrog | Frogs (Anura) | Tropical forests of Brazil | Scinax ruber |
| Rio Cajamarca Glass Frog | Frogs (Anura) | Streams in the Andes of Peru | Centrolene buckleyi |
| Rio Cauca Glass Frog | Frogs (Anura) | Streams along the Rio Cauca in Colombia | Nymphargus ignotus |
| Rio Coco Frog | Frogs (Anura) | Streams along the Rio Coco in Central America | Duellmanohyla uranochroa |
| Rio Conchos Leopard Frog | Frogs (Anura) | River systems in northern Mexico | Lithobates johni |
| Rio Grande Chirping Frog | Frogs (Anura) | Subtropical regions of United States and Mexico | Eleutherodactylus cystignathoides |
| Rio Grande Leopard Frog | Frogs (Anura) | Rivers and streams in southwestern United States and northern Mexico | Lithobates berlandieri |
| Rio Madeira Tree Toad | Frogs (Anura) | Forests along the Rio Madeira in Brazil | Rhinella castaneotica |
| Rio Negro Glass Frog | Frogs (Anura) | Streams near the Rio Negro in South America | Cochranella nola |
| Rio Pescado Stubfoot Toad | Frogs (Anura) | Streams in humid forests of southwestern Ecuador | Atelopus balios |
| Rio Sutlep Frog | Frogs (Anura) | Stream habitats in Mexico | Tlalocohyla smithii |
| Riobamba Marsupial Frog | Frogs (Anura) | Cloud forests of Ecuador | Gastrotheca riobambae |
| River Frog | Frogs (Anura) | River systems of southeastern United States | Rana heckscheri |
| Rivero's Frog | Frogs (Anura) | Montane forests of Venezuela | Pristimantis riveroi |
| Rivero's Glass Frog | Frogs (Anura) | Cloud forests of Venezuela | Hyalinobatrachium rivale |
| Roaring Creek Frog | Frogs (Anura) | Fast-flowing streams in Central America | Craugastor rugulosus |
| Robber Frog | Frogs (Anura) | Moist forests of Central America | Craugastor spp. |
| Robust Frog | Frogs (Anura) | Rocky streams in mountains of southern Europe | Rana temporaria |
| Rock Climbing Salamander | Salamanders (Caudata) | Rocky habitats in Mexico | Chiropterotriton spp. |
| Rock Pocket Frog | Frogs (Anura) | Rocky outcrops in West Africa | Petropedetes spp. |
| Rock Pocket Toad | Frogs (Anura) | Rocky areas in dry regions of Africa | Poyntonophrynus spp. |
| Rock Pool Frog | Frogs (Anura) | Rocky pools in mountainous regions of Australia | Litoria lesueurii |
| Rock River Frog | Frogs (Anura) | Rocky streams of southern Africa | Amietia fuscigula |
| Rock River Tree Frog | Frogs (Anura) | Rocky stream habitats in Africa | Leptopelis natalensis |
| Rock Rubber Frog | Frogs (Anura) | Rocky outcrops in wet forests of Africa | Phrynobatrachus saxicola |
| Rocket Frog | Frogs (Anura) | Streams and ponds in Central and South America | Colostethus spp. |
| Rocky Mountain Boreal Toad | Frogs (Anura) | Alpine regions of western North America | Anaxyrus boreas boreas |
| Rocky Mountain Stream Salamander | Salamanders (Caudata) | Cold mountain streams of western North America | Rhyacotriton olympicus |
| Rocky Mountain Tailed Frog | Frogs (Anura) | Cold, fast-flowing streams in western North America | Ascaphus montanus |
| Rococo Toad | Frogs (Anura) | Wooded savannas of South America | Rhinella schneideri |
| Rodrigues Caecilian | Caecilians (Gymnophiona) | Soil and leaf litter on Rodrigues Island | Hypogeophis rostratus |
| Rodrigues Reed Frog | Frogs (Anura) | Wetlands of Rodrigues Island | Heterixalus luteostriatus |
| Roloway Leaf Frog | Frogs (Anura) | Forests of West Africa | Leptopelis spiritusnoctis |
| Roosevelt Island Glass Frog | Frogs (Anura) | Cloud forests of Costa Rica | Teratohyla pulverata |
| Roosevelt's Forest Caecilian | Caecilians (Gymnophiona) | Forest floors of South America | Mimosiphonops vermiculatus |
| Roque Micro Glass Frog | Frogs (Anura) | Stream habitats in northern Venezuela | Hyalinobatrachium fragile |
| Roraima Bush Toad | Frogs (Anura) | Cloud forests of the tepuis in Venezuela, Brazil, and Guyana | Oreophrynella quelchii |
| Roraima Glass Frog | Frogs (Anura) | Cloud forests of the tepuis in Venezuela | Hyalinobatrachium cappellei |
| Roraima Toad | Frogs (Anura) | High-elevation plateaus in Venezuela | Oreophrynella macconnelli |
| Rosablanca Robber Frog | Frogs (Anura) | Cloud forests of Colombia | Pristimantis sanguineus |
| Rose-spotted Leaf Frog | Frogs (Anura) | Lowland forests of Borneo | Rhacophorus rhodopus |
| Rosenberg's Treefrog | Frogs (Anura) | Tropical forests of Papua New Guinea | Litoria rosenbergi |
| Rosso's Ghost Frog | Frogs (Anura) | Mountains of South Africa | Heleophryne rosei |
| Rothschild's Frog | Frogs (Anura) | Cloud forests of Ecuador | Atelopus ignescens |
| Rough Moss Frog | Frogs (Anura) | Mossy areas of South Africa | Arthroleptella rugosa |
| Rough Moss Frog (European) | Frogs (Anura) | Mossy areas in European mountains | Rana temporaria |
| Rough Ridge Caecilian | Caecilians (Gymnophiona) | Mountain forests of Southeast Asia | Ichthyophis kohtaoensis |
| Rough-back Forest Frog | Frogs (Anura) | Forest floors of Australia | Sphenophryne cornuta |
| Rough-skinned Caecilian | Caecilians (Gymnophiona) | Moist soils in tropical forests of South America | Caecilia tentaculata |
| Rough-skinned Giant Salamander | Salamanders (Caudata) | Mountain streams of China and Japan | Andrias davidianus |
| Rough-skinned Newt | Salamanders (Caudata) | Wet forests along the Pacific coast of North America | Taricha granulosa |
| Rough-skinned Tree Frog | Frogs (Anura) | Forests of Australia | Litoria wilcoxii |
| Round-tongued Floating Frog | Frogs (Anura) | Ponds and slow-moving streams in Southeast Asia | Occidozyga lima |
| Rowell's Spiny-Throated Reed Frog | Frogs (Anura) | Wetlands of East Africa | Hyperolius spinigularis |
| Rubber Frog | Frogs (Anura) | Rainforests of Southeast Asia | Phrynella pulchra |
| Rubio's Robber Frog | Frogs (Anura) | Cloud forests of Central America | Craugastor rubioi |
| Ruby Poison Frog | Frogs (Anura) | Rainforests of central Panama | Oophaga pumilio |
| Rufescent Burrowing Frog | Frogs (Anura) | Arid regions of South America | Pleurodema guayapae |
| Ruficostatus Rain Frog | Frogs (Anura) | Humid forests of Costa Rica and Panama | Pristimantis ruficostatus |
| Rufous Burrowing Caecilian | Caecilians (Gymnophiona) | Moist soils in tropical Asia | Ichthyophis kohtaoensis |
| Rufous Burrowing Frog | Frogs (Anura) | Dry forests of South America | Odontophrynus americanus |
| Rufous Forest Toad | Frogs (Anura) | Rainforests of Southeast Asia | Ansonia muelleri |
| Rufous Frog | Frogs (Anura) | Forest floors of South America | Leptodactylus fuscus |
| Rufous-eyed Brook Frog | Frogs (Anura) | Mountain streams of Southeast Asia | Leptobrachium rufipes |
| Rugose Poison Dart Frog | Frogs (Anura) | Rainforests of Colombia and Ecuador | Ameerega hahneli |
| Rugose Poison Frog | Frogs (Anura) | Rainforests of Ecuador and Colombia | Ameerega hahneli |
| Rugose Poison Frog (Western) | Frogs (Anura) | Rainforests of western Ecuador | Epipedobates boulengeri |
| Ruiz's Rocket Frog | Frogs (Anura) | Fast-flowing streams in Colombia | Rheobates palmatus |
| Rungwe Dancing Frog | Frogs (Anura) | High-altitude forests of Tanzania | Arthroleptis spp. |
| Russet Bush Frog | Frogs (Anura) | Forests of the Western Ghats, India | Raorchestes bombayensis |
| Russet-backed Poison Frog | Frogs (Anura) | Lowland rainforests of Ecuador and Colombia | Epipedobates boulengeri |
| Rust-backed Rain Frog | Frogs (Anura) | Cloud forests of Ecuador | Pristimantis rubicundus |
| Rusty Forest Frog | Frogs (Anura) | Humid forests of New Guinea | Sphenophryne cornuta |
| Rusty Mushmouth Frog | Frogs (Anura) | Forest floors of Southeast Asia | Microhyla rubra |
| Rusty Plated Lizard Frog | Frogs (Anura) | Cloud forests of Central America | Strabomantis ruizi |
| Rusty Spike-thumb Frog | Frogs (Anura) | Lowland rainforests of Southeast Asia | Leptobrachium hendricksoni |
| Rusty Treefrog | Frogs (Anura) | Tropical forests of Central and South America | Hypsiboas boans |
| Rusty Treefrog (Asian) | Frogs (Anura) | Forests of Southeast Asia | Polypedates cruciger |
| Ruwenzori Reed Frog | Frogs (Anura) | High-altitude wetlands in Ruwenzori Mountains, Africa | Hyperolius castaneus |
| Río Grande Leopard Frog | Frogs (Anura) | Rio Grande watershed in North America | Lithobates berlandieri |