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amphibia
A class of anamniote vertebrate animals in the superclass Tetrapoda. They are characterized by having gills during the larval stage; these are typically replaced by lungs in the adults. The skin is ...
fauna
All the animal life normally present in a given habitat at a given time. See also macrofauna; microfauna. Compare flora.
reptile
Any cold‐blooded vertebrate of the class Reptilia, which includes tortoises, turtles, snakes, lizards, alligators, and crocodiles. See also herpetofauna.
viper
A venomous snake, taken as the type of malignancy and treachery, but whose flesh was formerly believed to have great nutritive or restorative properties, and was used medicinally. Early allusive ...
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