The blue whale is the largest animal ever known to have lived
The blue whale (Balaenoptera musculus) is a marine mammal belonging to the baleen whales (Mysticeti). At 30 metres (98 ft) in length and 170 tonnes (190 short tons) or more in weight, it is the largest known animal ever to have existed. Long and slender, the blue whale’s body can be various shades of […]