Blue Whale Facts..

*The blue whale (Balaenoptera musculus) is a marine mammal.At 30 metres (98 ft) in length and 180 metric tons (200 short tons) or more in weight(>50 ELEPHANTS), it is the largest known animal to have ever existed.
*A blue whale's tongue weighs around 2.7 metric tons (3.0 short tons) and, when fully expanded, its mouth is large enough to hold up to 90 metric tons (99 short tons) of food and water. Despite the size of its mouth, the dimensions of its throat are such that a blue whale cannot swallow an object wider than a beach ball. Its heart weighs 600 kilograms (1,300 lb) and is the largest known in any animal.
*A blue whale's aorta is about 23 centimetres (9.1 in) in diameter-a human can crawl through it!!
*Blue whale calves gain weight quickly, as much as 90 kilograms (200 lb) every 24 hours. Even at birth, they weigh up to 2,700 kilograms (6,000 lb)—the same as a fully grown hippopotamus
*National animal of Antigua and Barbuda
*A blue whale's tongue weighs more than an elephant!