Biggest Whale - The Blue Whale (200 Tons) At about 100 feet long and 200 tons, not only is the Blue Whale the biggest mammal in the world today, but it's the largest vertebrate animal in the history of life on earth: not even the largest dinosaurs approached it in bulk. read more
Wikimedia Commons. 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
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 blue whale is the largest mammal on earth. This species reaches lengths of 100 feet long and weighs up to 200 tons. The blue whale is believed to be the largest mammal ever to exist on earth. read more
The blue whale is also the loudest animal on earth. The sounds it makes reach around 180 decibels, and blue whales can hear each other across a distance of 1,000 miles. Although this is the largest mammal, it eats some of the smallest organisms, consuming up to four tons of krill every day. 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