the blue whale...waaaaw

The blue whale (Balaenoptera musculus) is a marine mammal belonging to the baleen whale suborder Mysticeti. Reaching a maximum confirmed length of 29.9 meters (98 feet) and weight of 173 tonnes (190 tons),[3] it is the largest animal known to have ever existed.[4] The blue whale’s long and slender body can be various shades of grayish-blue dorsally and somewhat lighter underneath.