What Is The Biggest Thing In The World?
The biggest thing in the world is blue whale
The largest animal ever to live, the blue whale (Balaenoptera musculus) is a type of baleen whale that can weigh about 150 tons and reach lengths of more than 30 meters (98 feet). The largest accurately measured blue whale was a female measuring 29.5 meters in length and weighing 180 tons-about 200 tons in the United States-although catches have been reported as large as 33 meters and 200 tons. The blue whale’s heart weighed about 700 kg (about 1,500 lbs.) Blue whales are cetaceans and are scientifically classified as minke whales (family Mysticetiidae) in the order Cetacea, relative to gray whales (family Escherichiidae) and right whales (family Mysticetiidae and Neomystidae) in the suborder Mysticeti.
Color of Blue Whale
Blue whales are blue-gray with huge dot-shaped lighter gray spots that appear to have been painted on with a giant paintbrush, and the undersides of their flippers can be light gray or even white. Blue whales were named benthic sulfur whales because the undersides of some individuals are yellowish, resembling the pale yellow colour of this chemical element. This color is due to certain algae (diatoms) living on the body of the whale.
Body of Blue Whale
The head of a blue whale is broad, and has only one small dorsal fin, close to the caudal fin, and 80-100 long grooves along the throat and chest. Its mouth includes from 800 plates of short, wide, black baleen, or “whalebone,” with thick, coarse bristles with which to catch food. Females are larger than males, and the largest animals live in the Southern Ocean around Antarctica. Blue whales live alone or in small groups throughout all oceans, although populations found in the Southern Hemisphere are much greater. In the Northern Hemisphere, blue whales are commonly seen in the Gulf of St. Lawrence off the coasts of Monterey, California, and Baja California, Mexico. Blue whales spend the summer months in polar waters, where they feed on shrimp-like crustaceans called krill. When foraging, blue whales make a pattern of repeated 360-degree turns and flips in the water to locate prey, changing their position in the water rapidly in order to scoop up large quantities of krill in one lunge with mouths agape.
Food of Blue Whale
One adult blue whale will consume up to eight tons of krill in a day. In winter, blue whales migrate to temperate waters near the equator to breed. The baby whale is born after a gestation period of about 12 months. The baby is approximately 8 meters long, or about 26 feet in length. At that time, during lactation, the calf drinks its mother’s whole milk and gains up to 90 kg (about 198 lbs) per day. They are excommunicated from the trunk after seven to eight months when they have reached a length of about 15 meters (about 49 feet).
The blue whale, the most important of the most important commercial whale hunting species, has been substantially diminished since the first half of the 20th century. More than 29,000 blue whales were killed worldwide during the 1930-1931 season. The species has been off limits to commercial whaling since the mid-1960s. Blue whales seem to be recovering and number between 10,000 and 25,000 worldwide. However, they are still listed by the International Union for Conservation of Nature as endangered.
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