Quentin R. Walsh, USCG, while acting as whaling inspector of the factory ship Ulysses, verified the measurement of a 29.9 m (98 ft) pregnant blue whale caught in the Antarctic in the 1937–38 season. A blue whale's tongue weighs around 2.7 tonnes (3.0 short tons) and, when fully expanded, its mouth is large enough to hold up to 90 tonnes (99 short tons) of food and water. Blue whales used to be one of the most common whales in the oceans, now they’re one of the rarest (so much so that we don’t even know how they mate) because they were over-hunted. Studies report that as many as 25% of mature blue whales have scars resulting from orca attacks. a blue whale entering the Antarctic weighing 100 tons would leave weighing 150 tons. Little is known about mating behaviour or breeding grounds. It has a long, blue-gray body with a small dorsal fin on its back. 1. Of the creatures that have inhabited the Earth, Blue Whales are the largest. This came about because the edges of the tail flukes were typically cut off, and the lower jaw often falls open upon death. They appear around 4,000 kg with a length of about 8 meters. Facebook. Scientists estimate that blue whales can live for at least 80 years, but since individual records do not date back into the whaling era, this will not be known with certainty for many years. What Animal Has The Highest Blood Pressure? Blue whales face threats from entanglement in fishing nets, pollution, and illegal whaling. The water is then squeezed out through the baleen plates by pressure from the ventral pouch and tongue. Due to its large size, several organs of the blue whale are the largest in the animal kingdom. The deepest confirmed dive is 506 meters (1,660 feet). 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. Blue whales are very skilled swimmers. Some populations may never recover. Possibly the largest recorded male was killed near the South Shetland Islands in 1926 and was measured at 31.7 m (104 ft). What is the blue whale? Blue whales are the largest animals ever known to have lived on Earth . The answer to this question is actually quite simple. Blue Whale Facts for Kids. This Marine vertebrate can be found in practically all pieces of the sea. Their voice is really very loud. Blue whales typically swim at a depth of about 13 meters (42.5 feet) when migrating in order to eliminate drag from surface waves. Blue whales are the largest animals ever to have lived. The calf weighs about 2.5 tonnes (2.8 short tons) and is around 7 metres (23 ft) in length. The blue whale is the largest animal on Earth, yet we know next to nothing about it – where it breeds, how long it lives, even how many there are (possibly fewer than 8,000). They can travel long distances in the sea uninterruptedly with the speed varying from 8km/h to 30 km/h, Blue whale is an animal with the long life cycle. The standard measuring technique is to measure in a straight line from the upper jaw to the notch in the tail flukes. The largest accurately measured blue whale was a 29.5-metre female that weighed 180 metric tons (nearly 200 short [U.S.] tons), but there are reports of 33-metre catches that may have reached 200 metric tons. Sperm whale (Physeter macrocephalus) is the only species from the genus Physeter that is alive today. It is visible only briefly during the dive sequence. The degree of mottling varies substantially from individual to individual. Some blue whales in the North Atlantic and North Pacific raise their tail fluke when diving. We picture dinosaurs as being these colossal things that nothing on earth measures up to…but blue whales are not only bigger than the biggest dinosaur we know about, they’re a LOT bigger. Dec 26, 2016 - Read a ton of fun blue whale facts for kids and get an in depth look into their lives where we explore how they live and what they do to survive. Blue whale calls last between ten and thirty seconds. They each have huge heads that are broad, long and have a unique U-shaped arch, and can reach up to a quarter of their body lengths in size. The blue whale is the largest animal ever to have lived – bigger, even, than the dinosaurs. Commanding awe, they gr… Sharing This Small Planet With Our Animal Friends. Blue Whale Facts For Kids – Blue Whale Subspecies, Blue Whale Facts For Kids – Blue Whale Life span, Blue Whale Facts For Kids – Blue Whale Statistics, Blue Whale Facts For Kids – Blue Whale Physical Description, Blue Whale Facts For Kids – Blue Whale Distribution and Habitat, Blue Whale Facts For Kids – Blue Whale Diet, Blue Whale Facts For Kids – Blue Whale Behavior Facts, Blue Whale Facts For Kids – Conservation status. The average life expectancy of the blue whale is 80 to 100 years. The longest measured by Macintosh and Wheeler (1929) was a female 28.5 m (93.5 ft), while the largest male was 26.45 m (87 ft), although one of the same authors later found a male of 26.65 m (87.5 ft) and stated that those lengths may be exceeded. Females typically give birth once every two to three years at the start of the winter after a gestation period of 10 to 12 months. Aside from cleaning krill from the plates in its … WhatsApp. Blue whale calves gain weight quickly, as much as 90 kilograms (200 lb) every 24 hours. They have a splash guard in front of their two blowholes. The blue whale is the largest animal known to have ever lived on Earth and is the largest mammal in the world. Blue whales are oceanic animals and have been seen in every ocean. All blue whale groups make calls at a fundamental frequency between 10 and 40 Hz; the lowest frequency sound a human can typically perceive is 20 Hz. 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