A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura. The oldest fossil "proto-frog" Triadobatrachus is known from the Early Triassic of Madagascar, but molecular clock dating suggests their split from other amphibians may extend further back to the Permian, 265 million years ago. Frogs are widely distributed, ranging from the tropics to subarctic regions, but the greatest concentration of species diversity is in tropical rainforest. Frogs account for around 88% of extant amphibian species. They are also one of the five most diverse vertebrate orders. Warty frog species tend to be called toads, but the distinction between frogs and toads is informal, not from taxonomy or evolutionary history.
The purple frog, Indian purple frog, or pignose frog is a frog species of the genus Nasikabatrachus. It is endemic to the Western Ghats in India. Although the adult frog was formally described in October 2003, the juvenile form of the species was described earlier in 1917.
The Brachycephalidae are a family of frogs confined to eastern and southern Brazil and northern Argentina. The family is composed of two externally quite different genera: the tiny, often colourful and plump saddleback toads (Brachycephalus) from Brazil, and the larger, slimmer and more drab genus Ischnocnema from both Brazil and Argentina. The family is mainly defined by molecular characteristics, and are linked by few anatomical features. It was erected from two genera of the previously large family Eleutherodactylidae, which is now split into four families.
The green and golden bell frog, also named the green bell frog, green and golden swamp frog and green frog, is a species of ground-dwelling tree frog native to eastern Australia. Despite its classification and climbing abilities, it does not live in trees and spends almost all of its time close to ground level. It can reach up to 11 cm (4.5 in) in length, making it one of Australia's largest frogs.
Crinia is a genus of frog, native to Australia, and part of the family Myobatrachidae. It consists of small frogs, which are distributed throughout most of Australia, excluding the central arid regions. Many of the species within this genus are non-distinguishable through physical characteristics, and can only be distinguished by their calls.
Limnonectes is a genus of fork-tongued frogs of about 75 known species, but new ones are still being described occasionally. They are collectively known as fanged frogs because they tend to have unusually large teeth, which are small or absent in other frogs.
Geocrinia is a genus of frogs in the family Myobatrachidae. These frogs are endemic to Australia. Two species are known from southeastern Australia, while one is known from southeastern Western Australia.
Pseudis paradoxa, known as the paradoxical frog or shrinking frog, is a species of hylid frog from South America. Its name refers to the very large—up to 27 cm (11 in) long—tadpole, which in turn "shrinks" during metamorphosis into an ordinary-sized frog, only about a quarter or third of its former length. Although the recordholder was a tadpole in Amapá that belonged to this species, others in the genus Pseudis also have large tadpoles and ordinary-sized adults.
Myobatrachidae, commonly known as Australian ground frogs or Australian water frogs, is a family of frogs found in Australia and New Guinea. Members of this family vary greatly in size, from species less than 1.5 cm (0.59 in) long, to the second-largest frog in Australia, the giant barred frog, at 12 cm (4.7 in) in length. The entire family is either terrestrial or aquatic frogs, with no arboreal species.
Amphibians of Australia are limited to members of the order Anura, commonly known as frogs. All Australian frogs are in the suborder Neobatrachia, also known as the modern frogs, which make up the largest proportion of extant frog species. About 230 of the 5,280 species of frog are native to Australia with 93% of them endemic. Compared with other continents, species diversity is low, and may be related to the climate of most of the Australian continent. There are two known invasive amphibians, the cane toad and the smooth newt.
Anstisia vitellina, commonly known as the orange-bellied frog, is a species of frog in the family Myobatrachidae. It is endemic to a 20 hectare area near Margaret River in Southwest Australia. It is vulnerable to extinction due to fire and the destruction of habitat caused by feral pigs.
Anstisia alba, commonly known as the white-bellied frog, is a small frog in the family Myobatrachidae. It occupies an area near Margaret River in swampy depressions adjoining creeks. Threats from altered ecology have made this a critically endangered species of south-western Australia.
The knife-footed frog is a species of burrowing frog in the family Hylidae. It is endemic to Australia, where it is found over a wide area in the north of the continent.
Geocrinia laevis, the smooth frog, southern smooth froglet, smooth froglet, or Tasmanian smooth frog, is a species of frog in the family Myobatrachidae. It is endemic to Australia and found in Tasmania, southwestern Victoria, and the extreme southeast of South Australia.
Anstisia lutea is a species of frog in the family Myobatrachidae. It is sometimes named for the nearby towns, thus the Nornalup or Walpole frog. It is endemic to Southwest Australia, along with the other members of the genus Anstisia. It was formerly classified in the genus Geocrinia, but was reclassified into the new genus Anstisia in 2022.
Anstisia rosea, the karri or roseate frog is a species in the family, Myobatrachidae. It is endemic to Southwest Australia.
Assa is a genus of frog in the family Myobatrachidae. These frogs are endemic to a few parts of eastern Australia.
Rhacophorus vampyrus is a medium-sized species of flying frogs endemic to Vietnam. It is found in Southern Vietnam, and is not known to be found in other places globally. It Is in the kingdom Animalia, phylum Chordata, and class Amphibia. Along with this, it is in the order Anura, family Rhacophoridae, and it is the only member of the genus Vampyrus. It is also known as the vampire tree frog or the vampire flying frog because of the presence of a pair of fang-like hooks in the mouth of the tadpoles. Its Vietnamese name is Ếch cây ma cà rồng.
Raorchestes is a genus of frogs in the subfamily Rhacophorinae that are found in mountainous regions of South Asia, Southeast Asia, and southern China. A recent study places Raorchestes as a sister taxon of Pseudophilautus. Before the description of the genus in 2010, species now in Raorchestes had been assigned to genera Ixalus, Philautus, and Pseudophilautus.
Marion Anstis is an Australian herpetologist. Her work focuses on frogs and Tadpoles found in Australia.
