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The skin is slimy and bears ringlike markings or grooves and may contain scales. [ 2 ] Modern caecilians are a clade , the order Gymnophiona / ˌ dʒ ɪ m n ə ˈ f aɪ ə n ə / (or Apoda / ˈ æ p ə d ə / ), one of the three living amphibian groups alongside Anura ( frogs ) and Urodela ( salamanders ).
While TTX is mainly located in the glands of the skin, the rough-skinned newt, as well as some other amphibians also possesses TTX in the ovaries and eggs. The higher the skin toxin levels were in the female, the higher the toxin level found in the egg. This is evidence that high toxin levels of the skin may, in fact, be under indirect selection.
Toxicofera (Greek for "those who bear toxins") is a proposed clade of scaled reptiles (squamates) that includes the Serpentes (snakes), Anguimorpha (monitor lizards, beaded lizards, and alligator lizards) and Iguania (iguanas, agamas, and chameleons).
Herpetology (from Greek ἑρπετόν herpetón, meaning "reptile" or "creeping animal") is a branch of zoology concerned with the study of amphibians (including frogs, salamanders, and caecilians (Gymnophiona)) and reptiles (including snakes, lizards, turtles, crocodilians, and tuataras).
The world’s frogs, salamanders, newts and other amphibians remain in serious trouble. A new global assessment has found that 41% of amphibian species that scientists have studied are threatened ...
Life in Cold Blood is a BBC nature documentary series written and presented by David Attenborough, first broadcast in the United Kingdom from 4 February 2008 on BBC One. [1]A study of the evolution and habits of amphibians and reptiles, it is the sixth and last of Attenborough's specialised surveys following his major trilogy that began with Life on Earth, hence a ninth part for the eight ...
Amphibians are in decline worldwide, with 2 out of every 5 species threatened by extinction, according to a paper published Wednesday in the scientific journal Nature.
Bourret's cat snake (Boiga bourreti) Banded green cat snake (Boiga saengsomi) Sichuan rat snake (Euprepiophis perlacea) Ficimia hardyi; Cyprus whip snake (Hierophis cypriensis) Sulu short-headed snake (Oligodon meyerinkii) Oxybelis wilsoni; Louisiana pinesnake (Pituophis ruthveni) Yellow-lined centipede snake (Tantilla flavilineata)