The first cloning experiments in the 1950s involved frogs and toads.

克隆实验开始于20世纪50年代，对象为青蛙和蟾蜍。

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This type of tongue, also present in frogs and toads, is called an extensile tongue.

这种青蛙和蟾蜍也有的舌头叫做伸缩舌头。

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Amphibians (frogs, toads and salamanders), for example, were not "completely evaluated" (with more than 90% of species assessed) until 2004.

举个例子，两栖动物(如青蛙，蟾蜍，蜥蜴)在2004年以前还不能完全的被评估(仅仅评估了90%)。

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Others suggest that it is the remains of the regurgitated innards of amphibians such as frogs and toads and of their spawn.

BBC: RSPB Ham Wall 'slime' baffles experts

Albino individuals of adult frogs, toads and newts are considered to be very rare and cases of multiple albinistic individuals in a breeding population are even rarer.

BBC: 'Rare' albino tadpoles uncovered

Volunteers would also carry toads, frogs and newts in buckets because many were unable to climb the kerbs.

BBC: Toad tunnel: Llandrindod Wells road shuts for mating