Best Frog

The gastric-brooding frogs were a genus (Rheobatrachus) of extinct aquatic amphibians native to Queensland, Australia. They are most notable for their unique reproductive mechanism, in which the female would swallow her fertilized eggs and brood them in her stomach by suppressing the secretion of ga...

The golden poison frog (Phyllobates terribilis) is a highly toxic amphibian endemic to the Pacific coast of Colombia in South America. It is widely considered one of the most poisonous animals on the planet, with its skin secreting lethal amounts of batrachotoxin, an alkaloid poison that permanently...

The turtle frog (Myobatrachus gouldii) is a unique amphibian species native to the sandy soils of Western Australia. It is characterized by its unusual physical appearance, which resembles a small, shell-less turtle with a remarkably round body and stubby limbs. Unlike most frogs, it burrows head-fi...

The Puerto Rican coquí (Eleutherodactylus coqui) is a small species of tree frog endemic to the island of Puerto Rico. It is a prominent cultural symbol in its native range, named after the distinctive, loud two-note mating call that the males produce throughout the night. Biologically, the species...

The rainbow burrowing frog (Scaphiophryne gottlebei) is a species of microhylid frog endemic to the rocky canyons and sandy areas of the Isalo Massif in Madagascar. It is visually distinguished by its vibrant, contrasting pattern of red, green, black, and white, which provides camouflage against the...

The ornate horned frog (Ceratophrys ornata), native to the grasslands of Argentina, Brazil, and Uruguay, is a terrestrial amphibian known for its aggressive predatory behavior. It possesses a remarkably wide mouth and a disproportionately large body, allowing it to consume vertebrate prey that is ne...

The bicolored poison dart frog (Phyllobates bicolor) is a toxic amphibian belonging to the Dendrobatidae family, endemic to the tropical rainforests of the Chocó region in Colombia. It is characterized by its uniform yellow or orange back, which sharply contrasts with its dark-colored limbs. The fro...

The giant monkey frog (Phyllomedusa bicolor), also known as the giant leaf frog, is a large, nocturnal tree frog native to the Amazon Basin in South America. It is scientifically recognized for its skin secretions, which contain a complex mixture of bioactive peptides used defensively against predat...

The long-nosed horned frog (Megophrys nasuta) is a large amphibian native to the rainforests of the Malay Peninsula, Sumatra, and Borneo. It is identified by the prominent, sharp, horn-like projections extending above its eyes and snout, which break up its outline. This terrestrial species relies on...

Harlequin frogs comprise the genus Atelopus, a group of brightly colored amphibians native to Central and South America. These stream-dwelling anurans are typically small and diurnal, relying on their vibrant patterns to warn predators of their toxicity. Since the 1980s, dozens of species within thi...

The hip-pocket frog (Assa darlingtoni) is a small, terrestrial amphibian native to the temperate rainforests of southeastern Queensland and northeastern New South Wales in Australia. It is distinguished by a unique reproductive strategy in which the male carries the fertilized eggs and developing ta...

The tailed frog (Ascaphus truei) is a primitive amphibian inhabiting cold, fast-flowing streams in the Pacific Northwest of North America. It is named for a tail-like extension of the male's cloaca, which is used to achieve internal fertilization, an adaptation to its aquatic breeding environment. T...

The Mallorcan midwife toad (Alytes muletensis) is a small, vulnerable amphibian endemic to the Tramuntana mountains of Mallorca, Spain. It was originally described from the fossil record before living populations were discovered in 1977. Like other midwife toads, the male carries the fertilized eggs...

The waxy monkey tree frog (Phyllomedusa sauvagii) is an arboreal amphibian native to the dry savannas of the Gran Chaco in South America. To survive in its arid environment, the frog secretes a waxy lipid substance from skin glands and actively wipes it across its entire body to prevent desiccation....

The California red-legged frog (Rana draytonii) is a moderate to large amphibian endemic to California and Baja California, recognized as the largest native frog in the western United States. It inhabits ponds, marshes, and streams, relying on dense vegetation for cover. Due to habitat loss, water p...

Gardiner's Seychelles frog (Sechellophryne gardineri) is a minuscule amphibian reaching only about 11 millimeters in length, making it one of the smallest frogs in the world. It is entirely endemic to the damp leaf litter of the forests on the islands of Mahé and Silhouette in the Seychelles. This s...

The Surinam horned frog (Ceratophrys cornuta) is a large terrestrial amphibian native to the Amazon Basin in South America. It features prominent, horn-like projections above its eyes and relies on cryptic coloration to blend seamlessly into the forest leaf litter. This heavy-bodied species is an am...

The crucifix frog (Notaden bennettii) is a burrowing amphibian native to the arid and semi-arid regions of Queensland and New South Wales, Australia. It is named for the distinct, dark crucifix-shaped pattern marking its brightly colored back. Adapted to dry environments, it spends much of its life...

The northern corroboree frog (Pseudophryne pengilleyi) is a small, distinctive amphibian endemic to the high-altitude bogs and woodlands of New South Wales and the Australian Capital Territory. It is recognized by its striking yellow and black stripes, which serve as warning coloration for its toxic...

The Mexican burrowing frog (Rhinophrynus dorsalis) is a highly specialized amphibian ranging from the southern United States through Mexico and Central America to Costa Rica. As the sole living member of the ancient family Rhinophrynidae, it represents a distinct evolutionary lineage. It possesses a...

Pseudis paradoxa, known as the Paradox Frog, is a South American aquatic frog species recognized for its unusual life cycle. The species' tadpoles can grow to over 20 cm in length, significantly larger than the 3-7 cm adult frogs they metamorphose into. This developmental pattern, where the juvenile...

Telmatobius macrostomus, the Lake Junin Frog, is a large aquatic amphibian endemic to Lake Junin in the Peruvian Andes at approximately 4,100 m elevation. Listed as critically endangered by the IUCN, its population has declined due to water pollution from mining activities, agricultural runoff, and...

Rhacophorus pardalis, commonly called the Harlequin Flying Frog, is a tree frog species native to Borneo and the Philippines. It possesses extensively webbed toes that enable it to glide between trees in the rainforest canopy, a characteristic adaptation of arboreal frogs in Southeast Asia. The spec...

Rana sierrae, the Sierra Nevada Yellow-legged Frog, is a federally endangered species native to high-elevation lakes and streams in California's Sierra Nevada mountains. The species has experienced population declines exceeding 90% in recent decades due to the spread of chytrid fungus (Batrachochytr...

Ceratophrys cranwelli, commonly known as Cranwell's Horned Frog, is a terrestrial amphibian native to the Gran Chaco region of Argentina, Bolivia, Paraguay, and Brazil. These sit-and-wait predators have large mouths and distinctive cranial features resembling horns, and are widely bred in captivity....

Agalychnis moreletii, commonly known as Morelet's Tree Frog, is a Central American amphibian species found in montane forests of Belize, El Salvador, Guatemala, Honduras, and Mexico. Characterized by its large red eyes, dark green dorsal coloration, and orange appendages, the species is nocturnal an...

Ranitomeya variabilis is a small poison dart frog species native to the upper Amazon basin in Peru and Ecuador. The species exhibits extreme geographic variation in color pattern, with populations displaying yellow, orange, red, or blue markings against black backgrounds, and has become a model orga...

The Fire-bellied Frog refers to several species in the genus Bombina, amphibians found across Eurasia from western Europe through eastern Asia. These semi-aquatic frogs are characterized by their distinctive ventral coloration—typically bright red or yellow with black markings—which serves as an apo...

The Philippine Flat-headed Frog (Barbourula busuangensis) is a strictly aquatic amphibian native to the islands of Palawan and Busuanga in the Philippines. It inhabits cool, clear, fast-flowing mountain streams where it absorbs much of its oxygen cutaneously due to its reduced lungs. The species exh...