Word Origin & History. moniker 1849, said to be originally a hobo term (but attested in London underclass from 1851), of uncertain origin; perhaps from monk (monks and nuns take new names with their vows, and early 19c. British tramps referred to themselves as in the monkery).
northern American bull frog (female) Frogs, toads, and salamanders belong to a class of animals called Amphibians. They are vertebrates (back-boned animals) with smooth (moist) or warty skins. They lay unshelled eggs, usually in water, and most species have a gilled, swimming larval stage (such as a tadpole).
Generally speaking, a salamander belongs to a group that is somewhere in between the species of fish and reptiles. This group is a herd of back-boned creatures that also includes frogs and toads. AS for the salamander, it looks like a lizard in terms of structure and is cold-blooded.