Blue whales are considered to be the largest animal's that have ever existed on earth.
POPULATION - Nearly 10 thousand
AREA(RANGE)- all oceans of the world.
NATURE FACT OF BLUE WHALE-
1. Blue whale can grow up to 100 feet (30m.) lengthwise that's the equivalent of two city buses and longer than an n.b.a basketball court.
2. They can weigh up to 200 tons.
3. Blue whale's tongue alone weigh as much as an elephant. about 100 people can fit in a blue whale's mouth.
4. The whale's heart is about 5 feet in length, 4 feet in width and 5 feet in height, and can weigh as much as 175 kilograms, which is the same as some cars. A blue whale's heartbeat is so loud that it can be heard from almost 2 miles away.
5. Blue whale can produce sounds louder than a jet engine(188 d.b jet engine is only 140 d.b) and can communicate with other whales up to 1000 miles away.
6. The spray from a blue whale's blowhole is almost as tall as a three story building(30 feet or 9 m.).