blue whale facts for kids
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. The average weight of the longest scientifically verified specimens (29.9 m, 98 ft) would be calculated to be 176.5 tonnes (194.5 tons), varying from 141 tonnes (155.5 tons) to 211.5 tonnes (233.5 tons) depending on fat condition. They tend to swim relatively slowly, although they can reach speeds of over 30km/hr if they are forced to. 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 daily energy requirement of an adult blue whale is in the region of 1.5 million kilocalories (6.3 GJ). The mortality rate of such attacks is unknown. The blue whale is the largest animal known to have ever lived on Earth and is the largest mammal in the world. Before whaling, the largest population was in the Antarctic, numbering approximately 239,000 (range 202,000 to 311,000). The standard measuring technique is to measure in a straight line from the upper jaw to the notch in the tail flukes. The first indication of the presence of a blue whale is the sight and sound of its huge blow, rising up to 10m straight into the sky. Blue whales have a tiny, stubby dorsal fin set far back with a large, thick tail. 19 Amazing and small facts about blue whale | blue whale cool facts for kids. They feed in high latitudes and migrate to the tropics to breed and give birth. The blue whale is the biggest creature on earth. These inch-long, shrimp-like crustacean swim in swarms. Blue whales gorge on krill in the rich waters of the Antarctic before migrating to their breeding grounds in the warmer, less-rich waters nearer the equator. a blue whale entering the Antarctic weighing 100 tons would leave weighing 150 tons. The blue whale is a marine mammal. Blue whales are thought to live to be about 110 years old. Pygmy blue whales average 19.2 meters (63 feet) at sexual maturity, with males averaging 21 meters and females 22 meters (69 and 72 feet) when fully grown, averaging 76 and 90 tonnes (83.5 and 99 tons). Commanding awe, they gr… Their feeding habits are seasonal. Despite efforts by the Albaug forest department and local fisherman, the whale died 10 hours after being stranded. Blue whales are very skilled swimmers. 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). Mating starts in late autumn and continues to the end of winter. During the first seven months of its life, a blue whale calf drinks approximately 380 litres (100 US gal) of milk every day. 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. Scientists determine their precise age by counting the layers of wax in the years. What Animal Has The Highest Blood Pressure? The blue whale can take in up to 90 times as much energy as it expends, allowing it to build up considerable energy reserves. Satellite telemetry of Australian pygmy blue whales migrating to Indonesia has shown that they cover between 0.09 and 455.8 kilometers (0.056 and 283.2 miles) per day. Blue Whale Habitat. There remain only much smaller (around 2,000) concentrations in each of the eastern North Pacific, Antarctic, and Indian Ocean groups. 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). Given the uncentralized central nervous systems that most animals on earth have, the timing for signals to get from brain to acting body part can get quite long when your tail is 30 m from your head. 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. Some may have a uniform slate-grey color, but others demonstrate a considerable variation of dark blues, greys and blacks, all tightly mottled. Studies report that as many as 25% of mature blue whales have scars resulting from orca attacks. Much information has come from US Navy hearing devices that pick up blues’ incredible vocalizations. Blue whales most commonly live alone or with one other individual. B. m. indica, found in the Indian Ocean, may be another subspecies. It is so huge that the weight of its tongue (5,400 pounds) is equal to that of an elephant. In locations where there is a high concentration of food, as many as 50 blue whales have been seen scattered over a small area. This caused a co… Blue Whale Threats Blue whale is the largest living mammal in the world ever known. Twitter. Lieut. This came about because the edges of the tail flukes were typically cut off, and the lower jaw often falls open upon death. These pleats assist with evacuating water from the mouth after lunge feeding (see feeding below). Blue Whale Facts for Kids. They were never weighed whole, but cut into blocks 0.5–0.6 meters (1.6–2 ft) across and weighed by parts. Fun Whale Facts for Kids Whales are huge, warm-blooded, air breathing mammals that live in the sea. It can be various shades of bluish-grey above and somewhat lighter underneath. Of the creatures that have inhabited the Earth, Blue Whales are the largest. In the Southern Hemisphere, the whales are often sighted in the Antarctic, and near Australia and New Zealand. 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. Blue whales tend to live in pods of 2-3 individuals, although groupings of 60 or more animals have been reported. Larger specimens have been measured at 110 feet, but never weighed. Blue whale calves are the largest babies on Earth, and at birth they are already among the largest adult animals. In the Antarctic summer, there are so many of these krill that they turn the waters orange. The Blue whale is the largest animal in the world. They appear around 4,000 kg with a length of about 8 meters. 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. Antarctic blue whales gain 50% of their lean body weight in the summer feeding season, i.e. 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. This racing behavior may even escalate to physical violence between the males. The longest whale measured by scientists was 29.9 metres (98 ft) long. They were finally protected by the international community in 1966. Because krill move, blue whales typically feed at depths of more than 100 metres (330 ft) during the day and only surface-feed at night. Observers can use this trait to differentiate between species at sea. 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. They were never weighed whole, but cut into blocks 0.5–0.6 meters (1.6–2 ft) across and weighed by parts. Blue whales travel alone or sometimes in small groups, like twos or threes. Blue Whale Skeleton. The whales' only natural predator is the orca. It is not known how long traveling pairs stay together. Its scientific name is Balaenoptera Musculus. By comparison, one of the largest known dinosaurs of the Mesozoic Era was Argentinosaurus, which is estimated to have weighed up to 90 tonnes (99 short tons), comparable to the average blue whale. As with other mammals, the fundamental instinct of the whale was to try to carry on breathing at all costs, even though this meant beaching to prevent itself from drowning. (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. There are many different species including the blue whale, killer whale, humpback whale and minke. The underside sometimes has a yellowish tinge, caused by an algae, which has given the blue whale the nickname of sulphurbottom. Throat grooves. A blue whale’s tongue weighs as much as an African forest elephant and its heart is at least the size … Blue whales are difficult to weigh because of their size. Pregnant females probably gain 60–65%. Blue whale strandings are extremely uncommon, and, because of the species' social structure, mass strandings are unheard of. The first video of a calf thought to be nursing was made 5 February 2016. Verified measurements rarely exceed 28 meters (92 ft). 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. They have a splash guard in front of their two blowholes. The answer to this question is actually quite simple. The world’s largest creature depends on some of the smallest for survival. Blue whale calls last between ten and thirty seconds. In August 2009, a wounded blue whale was stranded in a bay in Steingrímsfjördur, Iceland. They swim at a rate of 5 to 20 miles per hour. In the nineteenth century, they were hunted almost to extinction by whalers. In 1920, a blue whale washed up near Bragar on the Isle of Lewis in the Outer Hebrides of Scotland. Amazing Facts About the Blue Whale. 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. Choosing the Best Small Pet Snakes for Beginners. 8. Enjoy this educational video for students about whales.  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 . WhatsApp. ♡ Give the Gift of Reading ♡ https://amzn.to/2S6f7HO Short Learning video for Kids about Whales. Adult weights typically range from 50–150 tonnes (55–165 short tons). Eye. 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. They grow to be about 30 meters long. 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). Some blue whales in the North Atlantic and North Pacific raise their tail fluke when diving. Despite being enormous in size, blue whales mostly consumes small marine animals like fish, shrimp, and krill. Possibly the largest recorded male was killed near the South Shetland Islands in 1926 and was measured at 31.7 m (104 ft). Humongous creatures. Some estimate the world’s population to be lower than 1,200. The whales always feed in the areas with the highest concentration of krill, sometimes eating up to 3,600 kilograms (7,900 lb) of krill in a single day. Blue whales are difficult to weigh because of their size. Blue whales (Balaenoptera musculus) are the largest animals ever known to have lived on Earth.. Blue whales are baleen whales – a suborder of whales that can filter tiny organisms out of the sea with their bristly baleen mouth combs.. A 26.8 m (88 ft) male was verified by Japanese scientists in the 1947–48 whaling season. The female is larger than the male. The heart of one blue whale was recorded at nearly 700 kg (about 1,500 pounds). The blue whale is the largest animal ever to have lived – bigger, even, than the dinosaurs. The blue whale eats mostly very tiny creatures, like krill. Blue whale calves gain weight quickly, as much as 90 kilograms (200 lb) every 24 hours. This often causes the racing whales to breach, which is rare in blue whales. Blue Whale is world’s largest animal as of today. Between 70 and 118 grooves (called ventral pleats) run along the throat parallel to the body length. Dive times are typically 10 minutes when feeding, though dives of up to 21 minutes are possible. Little is known about mating behaviour or breeding grounds. An adult blue whale can eat up to 40 million krill in a day. Sperm whale (Physeter macrocephalus) is the only species from the genus Physeter that is alive today. Despite being so massive, this giant of the ocean feeds on some of the smallest marine life – tiny shrimp like animals called krill. The loudest sustained noise from a blue whale was at 188 dB. The head and tail fluke are generally uniformly grey. The blue whale is a baleen whale. 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. 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. A 30-metre blue whale, which may weigh as much as 135,000kg, can consume 2-7 tonnes of minuscule krill a day, rolling onto its side to take as much in as possible. Contextual information transmission (for example feeding, alarm, courtship), Maintenance of social organization (for example contact calls between females and males). Females are generally a few feet longer than males. The whale was towed to sea after 7 hours by a stronger boat. 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). The eyeball of a blue whale measures 15cm (6in) across. These magnificent marine mammals rule the oceans at up to 100 feet long and upwards of 200 tons . As with other baleen whales, its diet consists almost exclusively of small krill. In the eastern North Pacific, photogrammetric studies have shown sexually mature (but not necessarily fully grown) blue whales today average 21.7 m (71 ft), and about 65.5 tonnes (72 tons) with the largest found being about 24.5 m (80.5 ft) – although a 26.5 m (87 ft) female washed ashore near Pescadero, California in 1979. The Blue Whale is the largest animal ever to have lived on earth. 19 Amazing and small facts about blue whale | blue whale cool facts for kids RAJ KHAN November 16, 2020. It is visible only briefly during the dive sequence. The longest whales ever recorded were two females measuring 33.6 and 33.3 metres (110 and 109 ft), although in neither of these cases was the piecemeal weight gathered. The purpose of vocalization is unknown. Blue whale milk has an energy content of about 18,300 kJ/kg (4,370 kcal/kg). The blue whale has a long tapering body that appears stretched in comparison with the stockier build of other whales. 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. Despite being the largest living mammal in the world the blue whales primary diet consists almost exclusively of krill, a small oceanic creature that generally measure in at a measly 1-2 centimeters; although a few species of krill can grow close to 6 inches in size.. 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. Antarctic males averaged 25 m (82 ft) and females 26.2 m (86 ft), averaging 101.5 and 118 tonnes (112 and 130 tons). 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. Blue whales are the largest animals ever to have lived. The longest recorded study of a single individual is 34 years, in the eastern North Pacific. A blue whale's heart alone is about the size of a small car and weighs about 1,000 pounds. 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 blue whale is the largest animal known to have ever lived. It looks like a fish and lives in water but it is a mammal, this makes it even more interesting for kids. Sexual maturity is typically reached at five to ten years of age. Size difference between a blue whale and a person. Females give birth every two to three years to one calf. It can be various shades of bluish-grey above and somewhat lighter underneath. Its lung capacity is 5,000 litres (1,300 US gal). ReddIt. Learn more amazing facts about the blue whale in this video from National Geographic Kids. They have the fastest maturity rate in the animal world as a blue whale gains approximately 200 pounds daily. A 2002 report estimated there were 5,000 to 12,000 blue whales worldwide, located in at least five groups. The weight of an average blue whale tongue is as much as of adult elephant weight. Let’s have a look at some startling Facts about Blue Whales –, Would love love love to see a blue whale before I die. Many of the larger whales in the whaling records (especially those over 100 ft (30.5 m)) were probably measured incorrectly or even deliberately exaggerated. Boats were used in all successful cases. Blue whales off the coast of Sri Lanka have been repeatedly recorded making "songs" of four notes, lasting about two minutes each, reminiscent of the well-known humpback whale songs. The calf weighs about 2.5 tonnes (2.8 short tons) and is around 7 metres (23 ft) in length. It can grow to a length of 100 feet and 200 tons. 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. Blue whales are already massive at birth. They earn 90 Kg per day! The water is then squeezed out through the baleen plates by pressure from the ventral pouch and tongue. This incredible animal is the blue whale! 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. 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. 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). The species of this zooplankton eaten by blue whales varies from ocean to ocean. Blue whales mate and give birth usually in the winter. There are two more groups in the North Atlantic, and at least two in the Southern Hemisphere. It is unknown whether it survived. The longest size ever recorded was staggering 108 feet. Facebook. Let’s dive into the marine world to explore some interesting facts about Blue Whale: 1. Pinterest. They live in all the oceans around the globe and depending on the time of the … A blue whale can eat eight to ten tons of krill every day. The whale's upper parts, and sometimes the flippers, are usually mottled. In the North Atlantic, Meganyctiphanes norvegica, Thysanoessa raschii, Thysanoessa inermis and Thysanoessa longicaudata are the usual food; in the North Pacific, Euphausia pacifica, Thysanoessa inermis, Thysanoessa longipes, Thysanoessa spinifera, Nyctiphanes symplex and Nematoscelis megalops; and in the Southern Hemisphere, Euphausia superba, Euphausia crystallorophias, Euphausia valentini, and Nyctiphanes australis. The weight of individual blue whales varies significantly according to fat condition. The average life expectancy of the blue whale is 80 to 100 years. This Marine vertebrate can be found in practically all pieces of the sea. Due to its large size, several organs of the blue whale are the largest in the animal kingdom. Richardson et al. Even more, it is the largest animal that has ever existed, even larger than the largest dinosour ever found. The Exhibition Lab's blue whale at the American Museum of Natural History. The blue whale’s powerful tail lets the animal swim at speeds of up to 50kph (31mph). Female blue whales give birth every three years to a baby blue whale called a calf. 2. Not only are the Blue Whales the world’s largest animals, but they are … The blue is a relatively shallow diver and generally finds its food within 150m of the water surface. Blue whales typically swim at a depth of about 13 meters (42.5 feet) when migrating in order to eliminate drag from surface waves. When surfacing to breathe, the blue whale raises its shoulder and blowhole out of the water to a greater extent than other large whales, such as the fin or sei whales. There isn’t a single animal on Earth today that has … The weight of a blue whale calf is approximately 8800 pounds, and its length is 26 feet. A blue whale can be rated among the huge mature animals at birth. 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