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).
Salamanders live in water and on land, and look rather like lizards, with four legs and a tail. They hatch as larvae from eggs in the water. At that stage, they have gills that stick out. Most salamanders live on land when they are adults, after their change of shape (metamorphosis). On land, salamanders live in moist habitats. Their method of respiration varies. Some salamanders stay in the water, but look like adults.