What is the largest land mammal in the world?

The Largest Animal Ever: The Blue Whale. The blue whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales. At 30 metres (98 ft) in length and 180 metric tons (200 short tons) or more in weight, it is the largest known animal to have ever existed.Apr 4, 2012 read more

The largest whale (and largest mammal, as well as the largest animal known ever to have existed) is the blue whale, a baleen whale (Mysticeti). The longest confirmed specimen was 33.58 m in length and the heaviest was 190 tonnes. read more

The largest land-dwelling mammal on earth, at seven tons, the African Elephant is an order of magnitude smaller than the Blue Whale (see slide #2) for a good reason: the buoyancy of water helps to counteract the Blue Whale's weight, and elephants are completely terrestrial. read more