Blue whale is the largest animal in the world Blue whale is the largest animal in the world, where it lives in the ocean, and the length of about 30 meters, the weight of Faisal to 200 tons, and the tongue is about the weight of the elephant, and the heart is equivalent to the size of the car. Blue is called a small whale blue calf, and when born calf is one of the largest animals on the surface of the earth, after growing in the womb of his mother for a full year, born with a weight of up to three tons and a length of up to seven meters and a half, and adopted after birth on the milk of his mother only, However, it gains weight of about 91 kilograms per day in its first year Blue The blue whale can be found alone or in small groups throughout the oceans, but its southern hemisphere populations are much larger than the Northern Hemisphere. Blue whales can be seen regularly in the Bay of St. Lawrence, off the shores of Monterey, California, Mexico, knowing that they spend summer in polar waters, and in the winter they move towards the equator for breeding. [2] Blue whale feed Whales feed on crustaceans that resemble shrimp and shrimp called krill. To determine the prey, the blue whale has a set of 360 turns and turns Dr The adult blue whale may consume about 8 tons of krill per day. [2] General Facts About the Blue Whale There are some facts that Blue whales have a feces instead of teeth called palin, a fibrous substance used to liquidate their food. When eaten, the whale allows a large amount of water and krill to enter its mouth. Water is pushed through the balloon plates, From 300-400 where food is picked up and swallowed. Blue whales communicate with each other by producing a series of high-sounding sound frequencies. Their calls are the highest of all the planet's creatures, and can be heard for hundreds of kilometers underwater. The blue whale has a regular body; it is gray with a broad head, huge fins, a strong tail and a small dorsal fin, and some whales have a yellowish underside. Blue whales can be found in all oceans except the Arctic, usually swimming alone or in groups, and may number up to 60 in areas where food is abundant. Despite the global ban on fishing in 1966, blue whales were caught in the late 19th and early 20th centuries, with 70-90% fewer people in the past 150 years, so they are now classified as Of endangered species.