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There are a total of 8216 amphibian species in three orders. [1] ... , 7243 species of frogs and toads are recognised by Amphibian Species of the World. [1]
The muscles have also been greatly enlarged, with the main leg muscles accounting for over 17% of the total mass of frogs. [53] Many frogs have webbed feet and the degree of webbing is directly proportional to the amount of time the species spends in the water. [54]
The archaeobatrachians are the most primitive of frogs. These frogs have morphological characteristics which are found mostly in extinct frogs, and are absent in most of the modern frog species. Most of these characteristics are not common between all the families of Archaeobatrachia, or are not absent from all the modern species of frogs.
Genus Aplastodiscus – Canebrake tree frogs; Genus Argenteohyla; Genus Bokermannohyla; Genus ... Genus Stereochilus - Many-lined salamander; Genus Thorius; Genus ...
Family: Hylidae (tree frogs and their allies) Common tree frog, Hyla arborea LC; Oriental tree frog, Hyla orientalis (eastern Europe, Turkey, Iran) [2] Italian tree frog, Hyla intermedia LC and: [n 1] Po's tree frog, Hyla perrini (southern Europe) [5] [6] Stripeless tree frog, Hyla meridionalis LC (southern Europe)
It lists the names of frogs, salamanders and other amphibians, which scientists first described each species and what year, and the animal's known range. The American Museum of Natural History hosts Amphibian Species of the World, which is updated by herpetologist Darrel Frost. As of 2024, it contained more than 8700 species.
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.
The true frogs vary greatly in size, ranging from small—such as the wood frog (Lithobates sylvatica)—to large. Many of the true frogs are aquatic or live close to water. Most species lay their eggs in the water and go through a tadpole stage. However, as in most families of frogs, there is large variation of habitat within the