blue whale facts for kids

Blue whale calls last between ten and thirty seconds. Some estimate the world’s population to be lower than 1,200. Another stranded blue whale, thought to be about 12.2 metres (40 feet) long, was rescued in India in February 2016. (1995) discuss six possible reasons: A blue whale set against the backdrop of the Azores, A blue whale's tail fluke with the Santa Barbara Channel Islands in the background. Blue whales are the largest animals ever known to have lived on Earth . The biggest blue whale found was 190 tons and measured 98 feet long. The longest reported in the North Pacific was a 27.1 metres (89 ft) female taken by Japanese whalers in 1959, and the longest reported in the North Atlantic was a 28 metres (92 ft) female caught in the Davis Strait. This makes blue whales the largest animals ever to be on Earth, even bigger than the largest dinosaurs. Despite being enormous in size, blue whales mostly consumes small marine animals like fish, shrimp, and krill. The blue whale can take in up to 90 times as much energy as it expends, allowing it to build up considerable energy reserves. A blue whale can be rated among the huge mature animals at birth. Blue Whale is world’s largest animal as of today. 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. The blue whale is a marine mammal. Unlike toothed whales, the blue expels air through both blowholes at once – that’s the world’s largest pair of lungs emptying 90 per cent of their lung capacity. It is also one of the three species in its family of whales. The aorta of a blue whale is large enough for a grown man to crawl through. The weight of individual blue whales varies significantly according to fat condition. It can be various shades of bluish-grey above and somewhat lighter underneath. Eye. In the Northern Hemisphere, as adults, males averaged 24 m (79 ft) and females 25 m (82 ft) with average calculated weights of 90.5 and 101.5 tonnes (100 and 112 tons), respectively. ♡ Give the Gift of Reading ♡ https://amzn.to/2S6f7HO Short Learning video for Kids about Whales. They were never weighed whole, but cut into blocks 0.5–0.6 meters (1.6–2 ft) across and weighed by parts. Scientists have observed this behavior in multiple parts of the world, including the Gulf of St. Lawrence in Canada and the South Taranaki Bight in New Zealand. Blue whales travel alone or sometimes in small groups, like twos or threes. Blue whales are oceanic animals and have been seen in every ocean. Measuring 70 to 80 feet in length (the longest recorded length was 106 feet), blue whales can weigh as much as 90 to 150 tons. It can be various shades of bluish-grey above and somewhat lighter underneath. The front part of the mouth is thick with baleen plates; around 300 plates, each around one metre (3 ft) long, hang from the upper jaw, running 0.5 m (20 in) back into the mouth. This page was last modified on 6 December 2020, at 21:46. In the 20th Century, the estimated total kill of blue whales was 350,000 animals and by the 1960s they were on the brink of extinction. Observers can use this trait to differentiate between species at sea. There are two more groups in the North Atlantic, and at least two in the Southern Hemisphere. The blue whale is the biggest creature on earth. Blue whale milk has an energy content of about 18,300 kJ/kg (4,370 kcal/kg). The average life expectancy of the blue whale is 80 to 100 years. They appear around 4,000 kg with a length of about 8 meters. Blue whales are massive in size with the average length ranging from 80 to 100 feet. This caused a considerable loss of blood and body fluids, estimated to be about 6% of the total weight. In 1920, a blue whale washed up near Bragar on the Isle of Lewis in the Outer Hebrides of Scotland. The heart of an average sized blue whale weighs 400 pounds (180 kg) and is the largest known in any animal. Studies report that as many as 25% of mature blue whales have scars resulting from orca attacks. Female blue whales give birth every three years to a baby blue whale called a calf. Even more, it is the largest animal that has ever existed, even larger than the largest dinosour ever found. [5] There are at least three distinct subspecies : B. m. musculus of the North Atlantic and North Pacific, B. m. intermedia of the Southern Ocean and B. m. brevicauda (also known as the pygmy blue whale ) found in the Indian Ocean and South Pacific Ocean . The degree of mottling varies substantially from individual to individual. 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 as a species are classified as Endangered by the 2000 IUCN Red List, although the North Atlantic stock are Vulnerable, and the North Pacific stock are listed as Lower Risk. Sexual maturity is typically reached at five to ten years of age. The blue whale's body is long and slender. Learn more about whale conservation, their habitat, migration and … WhatsApp. The heaviest weight ever reported was 173 metric tons (191 short tons), for a southern hemisphere female in 1947, although it is likely that the largest blue whales would have weighed over 200 short tons (181 t). The dorsal fin is small; its height averages about 28 centimetres (11 in), and usually ranges between 20 cm (8 in) and 40 cm (16 in), though it can be as small as 8 cm (3.1 in) or as large as 70 cm (28 in). Scientists determine their precise age by counting the layers of wax in the years. Their voice is really very loud. Commanding awe, they gr… A lot of biologists hypothesize that blue whales are near to the limit of size for life on Earth. In the Antarctic summer, there are so many of these krill that they turn the waters orange. Size difference between a blue whale and a person. The blue whale is the largest animal ever to have lived – bigger, even, than the dinosaurs. It can grow to a length of 100 feet and 200 tons. Some populations may never recover. Blue whales face threats from entanglement in fishing nets, pollution, and illegal whaling. 1. The blue whale is the largest animal known to have ever lived. 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. Blue whales are thought to live to be about 110 years old. Blue whale strandings are extremely uncommon, and, because of the species' social structure, mass strandings are unheard of. Here we have some blue whale facts for kids. Humongous creatures. Like all whales , it is a mammal . Amazing Facts About the Blue Whale. Gestation is 10 to 12 months; average calf is 23 feet long and weighs 4,440 pounds. Blue Whale Facts For Kids – Blue Whale Information – About Blue Whale Blue Whale is well known around the world for being the largest living animal on earth. The standard measuring technique is to measure in a straight line from the upper jaw to the notch in the tail flukes. They were never weighed whole, but cut into blocks 0.5–0.6 meters (1.6–2 ft) across and weighed by parts. Antarctic males averaged 25 m (82 ft) and females 26.2 m (86 ft), averaging 101.5 and 118 tonnes (112 and 130 tons). The whale feeds by lunging forward at groups of krill, taking the animals and a large quantity of water into its mouth. Blue whales have a tiny, stubby dorsal fin set far back with a large, thick tail. In the fall, males will follow females for prolonged periods of time. Pregnant females probably gain 60–65%. Blue whales can reach speeds of 50 kilometres per hour (31 mph) over short bursts, usually when interacting with other whales, but 20 kilometres per hour (12 mph) is a more typical traveling speed. The blue whale has a long tapering body that appears stretched in comparison with the stockier build of other whales. Blue whale calves drink 380–570 litres (100–150 U.S. gallons) of milk a day. 19 Amazing and small facts about blue whale | blue whale cool facts for kids RAJ KHAN November 16, 2020. In the Northern Hemisphere, whaling records show that males averaged 20–21 m (66–69 ft) and females 21–23 m (69–75 ft) at sexual maturity, while in the Southern Hemisphere it was 22.6 and 24 m (74 and 79 ft), respectively. The calf is weaned after six months, by which time it has doubled in length. The whale was towed to sea after 7 hours by a stronger boat. In locations where there is a high concentration of food, as many as 50 blue whales have been seen scattered over a small area. 8. The heart of one blue whale was recorded at nearly 700 kg (about 1,500 pounds). The gentle giant of the sea, the blue whale is instantly recognisable with a long, streamlined shape, mottled blue or grey back and pale underbelly. Females give birth every two to three years to one calf. Imagine a creature the size of 2 1/2 school buses laid end-to-end and you'll get a sense of the size of the blue whale. The longest whale measured by scientists was 29.9 metres (98 ft) long. This racing behavior may even escalate to physical violence between the males. Blue whales are found in all the oceans of the world, although there are three main populations: one in the North Atlantic, one in the North Pacific and another in the southern hemisphere, particularly above Antarctica. Sharing This Small Planet With Our Animal Friends. It takes 10 to 12 months to carry a calf to term. Blue whales feed almost exclusively on krill, though they also take small numbers of copepods. Choosing the Best Small Pet Snakes for Beginners. These inch-long, shrimp-like crustacean swim in swarms. Blue whales live in every one of the oceans of the world. B. m. indica, found in the Indian Ocean, may be another subspecies. This incredible animal is the blue whale! The first rescue attempt failed, as the whale (thought to be over 20 meters long) towed the >20 ton boat back to shore at speeds of up to 7 miles per hour (11 km/h). The longest size ever recorded was staggering 108 feet. Blue whales most commonly live alone or with one other individual. The longest recorded study of a single individual is 34 years, in the eastern North Pacific. The tongue of the blue whale is as big as an elephant. They were finally protected by the international community in 1966. The flippers are 3–4 metres (10–13 ft) long. It is so huge that the weight of its tongue (5,400 pounds) is equal to that of an elephant. Blue whales have proportionally small brains, only about 6.92 kilograms (15.26 lb), about 0.007% of its body weight, although with a highly convoluted cerebral cortex. Dives last from 10 to 20 minutes. In comparison to a blue whale a dolphins heart has a heart rate of 35 – 45 beats per minute and a humans heart has an average heart rate of around 60 – 80 beats per minute. Blue whales are massive in size with the average length ranging from 80 to 100 feet. Located around three-quarters of the way along the length of the body, it varies in shape from one individual to another; some only have a barely perceptible lump, but others may have prominent and falcate (sickle-shaped) dorsals. A calf is fed by its mother for seven to eight months. The blue whale is a type of mammal called a cetacean and is a type of baleen whale. Three: B.m.brevicauda (smaller – lives in tropical areas of the Southern Hemisphere), B.m.intermedia (largest – lives in Southern Hemisphere), B.m.musculus (Northern Hemisphere). 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. Blue whales in the eastern North Pacific population were found to be on average 0.91 meters (3 ft) shorter, therefore with males averaging 23.3 meters (76 ft) and 80.5 tonnes (88.5 tons) and females 24 meters (79 ft) and 90.5 tonnes (100 tons). As with other baleen whales, its diet consists almost exclusively of small krill. The first video of a calf thought to be nursing was made 5 February 2016. Mating starts in late autumn and continues to the end of winter. About 8 meters Atlantic and North Pacific and … What is the largest animal has! 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Pieces of the blue whale is 80 % squid caught up with krill believe these deep may! Unable to pass through the ocean, dwarfing all else in their path whales travel or! That the weight of a small car cut into blocks 0.5–0.6 meters ( 1,660 )...

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