Whaling greatly reduced the sperm whale population. Both names are still used, although most recent authors now accept macrocephalus as the valid name, limiting catodon's status to a lesser synonym. Beachcombers look out for ambergris as flotsam. Educating the public about sperm whales and the threats they face. The head features an elaborately developed nose and upper lip where the fluid-filled spermaceti organ (which whalers called the case) is located; sperm oil and spermaceti were extracted from this fluid for lighting and lubrication. Sperm Whale . [156] Some prey may be taken accidentally while eating other items. Report a sick, injured, entangled, stranded, or dead animal to make sure professional responders and scientists know about it and can take appropriate action. Corrections? It makes a very loud sound. Even though males are sexually mature at this time, they often do not actively participate in breeding until their late twenties. The sperm whale is one of the species originally described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae. REPRODUCTION Sperm whale breeding is not very dependent on the seasons. The 3 groups of organisms that are considered cetaceans are whales, dolphins and porpoises. Because the sperm whale often hunts for its food in pitch black waters echolocation allows them to maintain complete awareness of their surrounds using sound. Sperm whales are mostly dark grey, though some whales have white patches on the belly. These substances found a variety of commercial applications, such as candles, soap, cosmetics, machine oil, other specialised lubricants, lamp oil, pencils, crayons, leather waterproofing, rust-proofing materials and many pharmaceutical compounds. When stranded animals are found alive, NOAA Fisheries and its partners assess the animal’s health and try to return it to the water. A newborn calf is approximately 13 feet long (3.96 m). Sperm whales are listed on Appendix I[240] and Appendix II[240] of the Convention on the Conservation of Migratory Species of Wild Animals (CMS). There are also some ridges between the hump and the tail flukes. Sperm whale, the largest of the toothed whales, easily recognized by its enormous square head and narrow lower jaw. Popular locations for sperm whale watching include the town of Kaikoura on New Zealand's South Island, Andenes and Tromsø in Arctic Norway; as well as the Azores, where the continental shelf is so narrow that whales can be observed from the shore,[141][250] and Dominica[251] where a long-term scientific research program, The Dominica Sperm Whale Project, has been in operation since 2005. The first ever sighting in Pakistan was made in 2017. Unlike females, puberty in males is prolonged, and may last between ages 10 to 20 years old. 3DM, OBJ, SKP formats, Dimensions is a project by Fantastic Offense. [56] Within the basin of the cranium, the openings of the bony narial tubes (from which the nasal passages spring) are skewed towards the left side of the skull. Large lumps of ambergris may be vomited up by the sperm whale. Two species of the related extant genus Kogia, the pygmy sperm whale Kogia breviceps and the dwarf sperm whale K. sima, are placed either in this family or in the family Kogiidae. According to a viral message, the typical blue whale produces more than 400 gallons of sperm when it ejaculates, a factoid offered up to explain why the ocean is salty.

They vary from 50-75 microns, whereas human sperm are 40-90 microns long. Ambergris, a material sometimes found floating in the sea, is thought to be formed in the sperm whale’s intestines around a core of undigested solid matter such as squid beaks. Diaphorocetus, from Argentina, has been dated to the early Miocene. The sperm whale is the largest toothed whale, with adult males measuring up to 20.7 metres (68 ft) long and weighing up to 80 tonnes (79 long tons; 88 short tons). Currently, there is no exact accounting of the total number of sperm whales worldwide. For 3D Downloads of this element, upgrade to a Dimensions Pro Membership. Climate change, The case can hold within it up to 1,900 litres of spermaceti. Mature males average 16 metres (52 ft) in length but some may reach 20.7 metres (68 ft), with the head representing up to one-third of the animal's length. They will spend much of the time rubbing against each other. This article was most recently revised and updated by, https://www.britannica.com/animal/sperm-whale. We use the genetic data to determine patterns of relatedness within groups of sperm whales encountered at sea. [209], Two fossil species belonging to the modern genus Physeter have been recognized so far: P. antiquus (Neogene of France)[215] and P. vetus (Neogene of eastern North America). If loud enough, noise can cause permanent or temporary hearing loss. [178] Gestation requires 14 to 16 months, producing a single calf.

Tracking of diving whales suggests that groups engage in herding of prey, similar to bait balls created by other species, though the research needs to be confirmed by tracking the prey.[188][189]. Sperm whales are prodigious feeders and eat around 3% of their body weight per day. It appears that some whales may fall into a deep sleep for about 7 percent of the time, most often between 6 p.m. and midnight. [130] Large males are generally solitary and rarely produce codas.



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