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A few species deposit eggs on land or bypass the tadpole stage. Adult frogs generally have a carnivorous diet consisting of small invertebrates, but omnivorous species exist and a few feed on plant matter. Frog skin has a rich microbiome which is important to their health. Frogs are extremely efficient at converting what they eat into body mass.
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.
These populations appear to be quite small, and are undergoing control by Natural England as the species poses a threat to native amphibians. [64] The American bullfrog has been known to spread the amphibian pathogen Batrachochytrium dendrobatidis among populations that it has been introduced to. [65]
List of amphibian genera lists the vertebrate class of amphibians by genus, ... Genus Ascaphus - Tailed frog; Family Bombinatoridae.
The marsh frog (Pelophylax ridibundus) is a species of true frog and the largest frog native to Europe; females of this sexually dimorphic species may be up to 17 centimetres (6.7 in) long. The marsh frog feeds mainly on insects, but it also eats smaller amphibians, fish, and rodents.
The temnospondyl Eryops had sturdy limbs to support its body on land Red-eyed tree frog (Agalychnis callidryas) with limbs and feet specialised for climbing Japanese giant salamander (Andrias japonicus), a primitive salamander The bright colours of the common reed frog (Hyperolius viridiflavus) are typical of a toxic species Wallace's flying frog (Rhacophorus nigropalmatus) can parachute to ...
The numbers of species cited above follows Frost and the total number of known (living) amphibian species as of March 31, 2019, is exactly 8,000, [12] of which nearly 90% are frogs. [ 13 ] With the phylogenetic classification, the taxon Labyrinthodontia has been discarded as it is a polyparaphyletic group without unique defining features apart ...
On the other hand, Amphibian Species of the World 6.0, an online reference, uses Lithobates as a genus. [1] This definition is also followed by, e.g., the International Union for Conservation of Nature (IUCN) [ 12 ] and the Society for the Study of Amphibians and Reptiles .