Wiktionary(0.00 / 0 votes)Rate this definition: mutant(Noun) Something which has mutated, which has one or more new characteristics from a mutation. mutant(Noun) Someone or something that seems strange, abnormal, or bizarre. mutant(Adjective) That has undergone mutation.
Best Answer: The Blue Whale, Balaenoptera musculus, is the largest mammal living today. It is also the largest mammal to have ever lived. In fact the Blue whale is the largest animal ever to have lived on the planet as far as we know; bigger by far than ever the largest Dinosaur.
Elephants are the largest living land animals on Earth today. Stock Photo. Elephants are the largest living land animals on Earth today. Stock Photo. Elephants are the largest living land animals on Earth today. Stock Photo. Family of elephants-the largest land animals. Family of elephants-the largest land animals.