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 are a family of amphibians that look like lizards but are actually completely unrelated to them. They can be distinguished from lizards by their smooth, wet skin and tendency to live in the water. Salamanders are most famous for their ability to regrow limbs that they have lost, including their tails, legs and arms, in just a few days!