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The list below largely follows Darrel Frost's Amphibian Species of the World (ASW), Version 5.5 (31 January 2011). Another classification, which largely follows Frost, but deviates from it in part is the one of AmphibiaWeb , which is run by the California Academy of Sciences and several of universities.
The outside of the skin is shed periodically mostly in one piece, in contrast to mammals and birds where it is shed in flakes. Amphibians often eat the sloughed skin. [47] Caecilians are unique among amphibians in having mineralized dermal scales embedded in the dermis between the furrows in the skin. The similarity of these to the scales of ...
List of amphibians; A. List of Anuran families; C. List of critically endangered amphibians; D. List of data deficient amphibians; E. List of endangered amphibians; F.
Birds' diets are varied and often include nectar, fruit, plants, seeds, carrion, and various small animals, including other birds. [77] The digestive system of birds is unique, with a crop for storage and a gizzard that contains swallowed stones for grinding food to compensate for the lack of teeth. [149]
This is a list of amphibians of Great Britain. There are seven amphibian species native to Great Britain , in addition, there are a number of naturalized species. The natives comprise three newts , two toads and two frogs .
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct.
Penguins Ostriches. This article lists living orders and families of birds.In total there are about 11,000 species of birds described as of 2024, [1] though one estimate of the real number places it at almost 20,000. [2]
This is a list of amphibians found in the United States. A total of 306 amphibian species have been recorded in the United States , [ 1 ] 2 of which are now extinct. [ 2 ] This list is derived from the database listing of Amphibian Species of the World .