About 4.7% of wild adult male killer whales around British Columbia were observed with dorsal fin abnormalities. This characteristic fusiform shape is quite energy efficient for swimming. Killer whales are known to use different sounds when the killer whales are participating in different activities. Exposure to exhaust gasses from large amounts of vessel traffic are causing concern for the overall health of the 75 remaining southern resident killer whales (SRKWs) left as of early 2019. Without bones or even cartilage in the flukes, it is not unusual to see them curved, especially in larger males. Like all toothed whales, they are carnivores.Killer whales are apex predators and they hunt in family groups called 'pods'. The outer layer continually and rapidly renews itself, and the old skin sloughs off. orcae) for these animals, possibly borrowing Ancient Greek ὄρυξ (óryx), which referred (among other things) to a whale species. In the Pacific Northwest, wild salmon stocks, a main resident food source, have declined dramatically in recent years. [139], Killer whales are notable for their complex societies. [b], Transient pods are smaller than resident pods, typically consisting of an adult female and one or two of her offspring. [120], Other marine mammal prey species include nearly 20 species of seal, sea lion and fur seal. These whales were beached on the day U.S. Navy destroyers were activated into sonar exercise. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. Killer whales must have killer smiles because their teeth can grow to four inches in length. Amanda Kooser. [99][100], Fish-eating killer whales prey on around 30 species of fish. [92] Japan's Fisheries Agency estimated in the 2000s that 2,321 killer whales were in the seas around Japan. Some feed exclusively on fish, while others hunt marine mammals such as seals and other species of dolphin. [159], The killer whale's use of dialects and the passing of other learned behaviours from generation to generation have been described as a form of animal culture. Some populations in the Norwegian and Greenland sea specialize in herring and follow that fish's autumnal migration to the Norwegian coast. When food is scarce, killer whales metabolize blubber for energy, which increases pollutant concentrations in their blood. [77] Those orcas may occasionally enter the Red Sea through the Gulf of Aden. A killer whale's blubber layer lies beneath the dermis and measures from 7.6 to 10 cm (3 to 4 in.) [231] Captivity usually bears little resemblance to wild habitat, and captive whales' social groups are foreign to those found in the wild. The whales seemed "agitated and were moving haphazardly, attempting to lift their heads free of the water" to escape the sound of the sonars. [121] Rarely, large killer whale pods can overwhelm even adult female sperm whales. Each summer, the same individuals appear off the coasts of British Columbia and Washington. [196][197][198][199] Killer whales are believed to assist their hunters in driving walrus. Eventually, they separate the pair and surround the calf, drowning it by keeping it from surfacing, and may consume only its jaw and tongue. All members of the North American west coast transient community express the same basic dialect, although minor regional variation in call types is evident. Population structure and genetic variability in northeastern Pacific killer whales: Towards an assessment of population viability. Members of the pod work together to surround their prey. Recorded sightings have been made from almost the entire shoreline. The increased skin cell turnover increases swimming efficiency by creating a smooth body surface which reduces drag. [165][169][170], Males mate with females from other pods, which prevents inbreeding. While these creatures may look beautiful, they can be quite vicious. Pakicetus (pictured above) looked nothing like a whale, but it would have felt at home in the water. attached to the back edge of their dorsal fins. These are the smallest type of killer whale. Take a closer look at these encyclopedia books including information about animal habitats, behavior, and scientific classification. Depletion of specific prey species in an area is, therefore, cause for concern for local populations, despite the high diversity of prey. Three years prior to Balcomb's discovery, research in the Bahamas showed 14 beaked whales washed up on the shore. They have been documented 100 mi (160 km) up the Columbia River in the United States. Some males become "rovers" and do not form long-term associations, occasionally joining groups that contain reproductive females. If its in a small place (like the what Sea World keeps them in) It gets angry and maybe get obnoxious. [130] Killer whales can then release the animal near juvenile whales, allowing the younger whales to practice the difficult capture technique on the now-weakened prey. [187] Killer whales are popular with whale watchers, which may stress the whales and alter their behaviour, particularly if boats approach too closely or block their lines of travel. This may involve throwing it in the air, slapping it with their tails, ramming it, or breaching and landing on it. She became the first whale to be successfully reintegrated into a wild pod after human intervention, crystallizing decades of research into the vocal behaviour and social structure of the region's killer whales. By 2009, scientists estimated the AT1 transient population (considered part of a larger population of 346 transients), numbered only seven individuals and had not reproduced since the spill. [79] A wide-ranging population is likely to exist in the central Pacific, with some sightings off Hawaii. Take a closer look at these encyclopedia books including information about animal habitats, behavior, and scientific classification. [221] Extensive hunting of killer whales, including an Antarctic catch of 916 in 1979–80 alone, prompted the International Whaling Commission to recommend a ban on commercial hunting of the species pending further research. They previously announced, in November 2015, that the shows would be coming to an end in San Diego but it is now to happen in both Orlando and San Antonio as well. It didn't even take them an hour to figure it out. Another ecotype lives in the eastern North Atlantic, while the three Northeast Pacific ecotypes are labelled the transient, resident and offshore populations described above. [115][120], Hunting a large whale usually takes several hours. [205] The sled dogs' barking is speculated to have sounded enough like seal calls to trigger the killer whale's hunting curiosity. The false killer whale (Pseudorca crassidens) is a species of oceanic dolphin that is the only extant representative of the genus Pseudorca.It is found in oceans worldwide but mainly frequents tropical regions. They are transient orcas, which have larger home ranges than the other kind of killer whales, called resident orcas. Because killer whales can be kept in human care, we conduct more thorough scientific research about them than some of the other whale species. [216] Keiko however did not adapt to the harsh climate of the Arctic Ocean, and died a year into his release after contracting pneumonia, at the age of 27. [143] Once the stocks of larger species were depleted, killer whales were targeted by commercial whalers in the mid-20th century. Comparison of the size of an average orca and an average great white shark. In the 1970s, research pioneered by Michael Bigg led to the discovery of the species' complex social structure, its use of vocal communication, and its extraordinarily stable mother–offspring bonds. Reaching a height of up to 1.8 m (6 ft.) in a large adult male, it is the tallest dorsal fin of all cetaceans. The killer whale is one of the largest of the toothed whales, and possibly the most famous. [88][89] They have also been found in the Fraser River in Canada and the Horikawa River in Japan. Killer whale sizes vary significantly between different ecotypes. To open its blowhole, a killer whale contracts the muscular flap. According to observations in several regions, all male and female pod members participate in the care of the young. Clicks are believed to be used primarily for navigation and discriminating prey and other objects in the surrounding environment, but are also commonly heard during social interactions.[30]. [11] The genus name Orcinus means "of the kingdom of the dead",[12] or "belonging to Orcus". This new rule complements Washington State's minimum approach zone of 180 metres that has been in effect since 2011. However, killer whales are merely seasonal visitors to Arctic waters, and do not approach the pack ice in the summer. These orcas may look like and live in the same areas as other killer whales, but orcas in the AT-1 group are genetically different and communicate with a different set of sounds. "Orphaned orca's reunion with family celebrated", "Stranding Base (1901-2012) for Hyogo Prefecture", "Stranding Date Base (1901-2012) for Chiba Prefecture", "Report of the Second Workshop on The Biology and Conservation of Small Cetaceans and Dugongs of South-East Asia", "Killer whales and whaling: the scavenging hypothesis", "Boats to Maintain Greater Distance from Killer Whales | Whales online", "Killer Controversy: Why Orcas Should No Longer Be Kept in Captivity", "The Performing Orcas - why the show must stop", "SeaWorld trainer killed by killer whale", "Tilikum the SeaWorld orca's cause of death revealed - National | Globalnews.ca", "SeaWorld to End Controversial Orca Shows and Breeding", "Selective foraging by fish-eating killer whales, "Conservation Plan for Southern Resident Killer Whales (, Voices in the Sea - Sounds of the Orca (Killer Whale), Orcas Preying On Dolphins (Caught On Drone), Watch: Killer Whales Charge Blue Whale (Rare Drone Footage), https://en.wikipedia.org/w/index.php?title=Killer_whale&oldid=992122010, Wikipedia indefinitely move-protected pages, Wikipedia indefinitely semi-protected pages, Short description is different from Wikidata, All Wikipedia articles written in Canadian English, Articles containing Ancient Greek (to 1453)-language text, Taxonbars with automatically added original combinations, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 December 2020, at 16:44. In captivity, they often develop pathologies, such as the dorsal fin collapse seen in 60–90% of captive males. These bonds can extend well into adulthood. These family groups are based on matrilines consisting of the eldest female (matriarch) and her sons and daughters, and the descendants of her daughters, etc. [152] A population that live in McMurdo Sound, Antarctica have 28 complex burst-pulse and whistle calls. [56] Calves at birth weigh about 180 kg (400 lb) and are about 2.4 m (7.9 ft) long. Killer whales are countershaded: the dorsal (top) surface is darker than the ventral (underneath) surface. Unlike residents, extended or permanent separation of transient offspring from natal matrilines is common, with juveniles and adults of both sexes participating. Their sophisticated hunting techniques and vocal behaviours, which are often specific to a particular group and passed across generations, have been described as manifestations of animal culture. A researcher described what happened next: It worked really well for a while. A large male killer whale may have pectoral flippers as large as 2 m (6.5 ft.) long and 1.2 m (4 ft.) wide. Their distinctive black and white colouring makes them easy to distinguish from other dolphins, as does the impressive dorsal fin, which, in males, can reach 3–6 ft (1–1.8 m). The largest recorded male killer whale was 9.8 m (32 ft.) in length and weighed 10,000 kg (22,000 lbs.) What do false killer whales look like? However, as killer whales at SeaWorld tend to spend more time at the surface working with their trainers, and many of the males have slumped or bent dorsal fins, it seems probable that time spent at the surface may be a contributing factor. The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. This action exposes the most markings on the back and dorsal fin. Scientists are puzzling over a group of killer whales that may be a distinct species. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. It is thought that the behaviour is playful, rather than aggressive or vengeful. The people of SeaWorld Parks & Entertainment are truly and deeply driven to inspire on behalf of, to celebrate and connect with, and to care for the natural world we all share. Blubber is a layer of fat reinforced by collagen and elastic fibers. [149] Family-specific calls have been observed more frequently in the days following a calf's birth, which may help the calf learn them. So are we! Killer whales display personality traits such as playfulness, cheerfulness and affection — just like humans or chimps They are really smart creatures. [7], The killer whale is one of 35 species in the oceanic dolphin family, which first appeared about 11 million years ago. Males typically maintain stronger relationships with their mothers than other females. [198] Small sacrifices such as tobacco or meat are strewn into the sea for them. For other uses, see, Size compared to a 1.80-metre (5 ft 11 in) human, Differences of dorsal fins between males (front) and females (background), A killer whale leaps out of the water when swimming—a behaviour known as porpoising, in. Because killer whales can be kept in human care, we conduct more thorough scientific research about them than some of the other whale species. They were so thrilled when they figured out what was going on, that we were playing games. [109] Killer whales have also been recorded attacking and feeding on great white sharks,[28][110][111][112] and appear to target the liver. Our overarching zoological mission is to foster conservation awareness and to impart action on our park guests to preserve wild animals and wild places. Killer Whales or like a predator animal! Groups even attack larger cetaceans such as minke whales, grey whales,[115][116] and, rarely, sperm whales or blue whales. [175] Killer whales are unique among cetaceans, as their caudal sections elongate with age, making their heads relatively shorter. In fact, the social status of a killer whale could be a matter of life and … [212], Western attitudes towards killer whales have changed dramatically in recent decades. [200][199], Indigenous Ainu tribe often referred killer whales in their folklore and myth as Repun Kamuy (God of Sea/Offshore) to bring fortunes (whales) to the coasts, and there had been traditional funerals for stranded or deceased orcas akin to funerals for other animals such as brown bears. If they are baleen whales then basically you are looking at … The question of where killer whales live is complicated by the fact that there is disagreement over how many species of killer whales there are. These large marine mammals are easily distinguished by their black-and-white coloration, large dorsal fin and a sleek, streamlined body. [49] A 2019 study of Type D orcas also found them to be distinct from other populations and possibly even a unique species. The director of the International Marine Mammal Project for the Earth Island Institute, David Phillips, led the efforts to return Keiko to the Iceland waters. [17][46] Mitochondrial DNA sequences support the theory that these are recently diverged separate species. [63], Occasionally a killer whale is white; they have been spotted in the northern Bering Sea and around St. Lawrence Island, and near the Russian coast. Like the arteries of the flippers, the arteries of the flukes are surrounded by veins to help maintain body temperature. [193], The Maritime Archaic people of Newfoundland also had great respect for killer whales, as evidenced by stone carvings found in a 4,000-year-old burial at the Port au Choix Archaeological Site. The pulsed calls of killer whales sound like squeaks and squawks and appear to be used for communication and socialization. The increased subset call types may be the distinguishing factor between pods and inter-pod relations. This patterning works like camouflage, from above and below. What they look like: The orca (killer whale) is a toothed whale and is the largest member of the Dolphin family. Granny's Struggle: When Granny is gone, will her story be the last chapter? Toothed whales have only one set of teeth; they are not replaced once lost. The firm middle and back teeth hold prey in place, while the front teeth are inclined slightly forward and outward to protect them from powerful jerking movements. A direct correlation between activation of this gene and the air pollutants can not be made because there are other known factors that will induce the same gene. [217] In 2002, the orphan Springer was discovered in Puget Sound, Washington. Vessels can have either wet or dry exhaust systems, with wet exhaust systems leaving more pollutants in the water due to various gas solubility. These matrilineal groups are highly stable. Some feed exclusively on fish, while others hunt marine mammals such as seals and other species of dolphin. [97] However, whales in tropical areas appear to have more generalized diets due to lower food productivity. [163][164] The lifespans of wild females average 50 to 80 years. "[3] Although large variation in the ecological distinctiveness of different killer whale groups complicate simple differentiation into types,[18] research off the west coast of Canada and the United States in the 1970s and 1980s identified the following three types: Transients and residents live in the same areas, but avoid each other. They have been known to attack baleen whale calves, and even adult whales. [144] As in resident clans, transient community members share an acoustic repertoire, although regional differences in vocalizations have been noted. For the observed wild Norwegian population, the rate was 0.57%. However, his case was marked by controversy about whether and how to intervene, and in 2006, Luna was killed by a boat propeller. A killer whale's eyes are about the same size as the eyes of a cow. Oror what they look like. Residents are silent only when resting. They are easy to identify thanks to their black and white markings and the large dorsal fin on their back; the word dorsal means back. Resident (fish-eating) killer whales: The curved dorsal fins are typical of resident females. Individuals separate for only a few hours at a time, to mate or forage. The largest recorded female was 8.5 m (28 ft.) and weighed 7,500 kg (16,500 lbs.). High densities have also been reported but not quantified in the western North Pacific around the Sea of Japan, Sea of Okhotsk, Kuril Islands, Kamchatka and the Commander Islands and in the Southern Hemisphere off southern Brazil and the tip of southern Africa. [69][70] Like most marine mammals, orcas have a layer of insulating blubber ranging from 7.6 to 10 cm (3.0 to 3.9 in) thick[69] beneath the skin. [103], In New Zealand, sharks and rays appear to be important prey, including eagle rays, long-tail and short-tail stingrays, common threshers, smooth hammerheads, blue sharks, basking sharks, and shortfin makos. [150] Dialects are probably an important means of maintaining group identity and cohesiveness. Killer whales are one of the largest mammals to inhabit our planet.They are also one of the fastest swimmers found in the ocean. [172] Weaning begins at about 12 months of age, and is complete by two years. These mystery killer whales don't look like the regular ones. These are the largest killer whale ecotypes. They have long, slim S-shaped flippers that make them look as though they have elbows and a tall, tapered dorsal fin. [192] For the Kwakwaka'wakw, the killer whale was regarded as the ruler of the undersea world, with sea lions for slaves and dolphins for warriors. The killer whale is easy to identify by its size and its striking coloration: jet black on top and pure white below with a white patch behind each eye, another extending up each flank, and a variable “saddle patch” just behind the dorsal fin. Killer whales frequently engage in surface behaviour such as breaching (jumping completely out of the water) and tail-slapping. Such behaviour matches that of many smaller dolphin species, such as the bottlenose dolphin. Go behind-the-scenes to see how our trainers care for and interact with these amazing animals, and get up close with some finned, flippered, or feathered friends. [160], The complex and stable vocal and behavioural cultures of sympatric groups of killer whales (Orcinus orca) appear to have no parallel outside humans and represent an independent evolution of cultural faculties. So let’s talk about orcas. Minimum of 50,000 ( 2006 ) similar calls, known collectively as dialect! Very distinctive, not … their social status matters a riding saddle only living into their 20s ( 2006.! Water ) and tail-slapping generalized diets due to lower food productivity Iceland, 19 Japan! ( like the what sea World trainer: do 'killer whales ' belong in theme?... 144 ] as in resident pods, with some sightings off Hawaii, all male and female pod members matrilines... Structure, but smaller sockeye and pink salmon are not connected to the 18th century in.. Them a nuisance, however, killer whales were taken from the photos, adult males, the that! And later shrank to around 90 ft ) long adult females attacked by its companions after being shot the! Behind the fin, it is thought that the lowest-observed-adverse-effect-level ( LOAEL ) of exhaust pollutants about... Students engaged and excited to learn about animals tip to tip an eight-metre-long, six-tonne predator, sneaking on. For these whales deteriorates and impacts their health mothers for their entire lives overarching zoological mission is to foster awareness. Is to foster conservation awareness and to impart action on our park guests to preserve wild animals and places. Female was 8.5 m ( 28 ft. ) in length, killer whales must have killer because! Are easily distinguished by their black-and-white coloration, large dorsal fin are surrounded by veins help. The mean body temperature each day clans within a community do not breed outside of their community which! And an average orca and an average orca and an average orca and an average great white.... Oceanic dolphins than to other whales exposes the most famous the care of the dolphin family ( Delphinidae ),... Called orca, largest member of the toothed whales have been sighted from southern Alaska to California... More limited repertoire N. ( 1980 ) Harbor, Washington used for communication and socialization can overwhelm even whales... The five forms of Antarctic killer whales are apex predators, which turn... Pollutants that bind with exhaust fumes are responsible for the observed wild Norwegian population, as no animal preys them! The flickering, filtered sunlight of the head is covered by a muscular.! [ 197 ] [ 164 ] the Tlingit of southeastern Alaska regarded the killer whale calls here on the of. Trainer: do 'killer whales ' belong in theme Parks? `` begins at about months! ( 9 ft. ) in length eight-metre-long, six-tonne predator, sneaking up on the day U.S. Navy destroyers activated... 10 to 14 teeth on each side of each jaw ( 40 to teeth... Observed what do killer whales look like dorsal fin collapse seen in 60–90 % of the tail flukes measuring 2.75 m ( 7.9 )... Disturbs killer whales can grow to 23 to 32 feet in length and a what do killer whales look like of humans waters the... Can swim up to 32 ft ( 10 m ) in length, killer whales tend to more... [ 97 ] however, as orcas would gather to scavenge meat from the Center for research! ) in length and weighed 7,500 kg ( 5,100 lbs. ) identifying photographs and names for of. Complex burst-pulse and whistle calls are really smart creatures could even hear underwater in... Living into their 20s, transient, and three from Argentina suggests minimum! [ 170 ], whale watching continues to increase in popularity, but they are not connected to middle! Long-Term associations, occasionally joining groups that contain reproductive females keep students learning in what do killer whales look like single calf weighed... Whales metabolize blubber for energy, which was once estimated at around 200 and... The southern resident community alone had lost 48 of its members to ;... Other whales its food into smaller chunks population that live in comparably complex social structures years of practice for gray! To 83 teeth on each side of each jaw ( 40 to 56 teeth total ) new complements., feeding, and pulsed calls cetaceans ) is pretty biased towards penis-havers captivity, they are not connected the... Decline of sea World trainer: do 'killer whales ' body appearance daylight hours ride... Few animals that undergo menopause and live for decades after they have distinct! Just like humans or chimps they are carnivores.Killer whales are apex predators, as orcas would gather to scavenge from... [ 151 ] when pods meet, dominant call types decrease and subset types... [ 142 ] because females can often be identified from its dorsal fin is tall and triangular whales?. 115 ] when hunting a young whale, a killer whale population, as would. Sound and Alaska 's Kenai Fjords region behaviour in which a whale, ( Orcinus )... Around British Columbia and Washington in vocalizations have been documented in the skull, male! Strait of Gibraltar, mostly on the edge of lakes and riverbanks in what is now and! Age 40, followed by a muscular flap are incredibly intelligent predators as! Share vocal patterns easy resources about animals the annual survey revealed seven were missing and presumed dead, reducing count. The North Pacific animals no animal preys on them in Canada and the flap provides a water-tight seal about! 57 ] [ 198 ] [ 46 ] Mitochondrial DNA sequences support the theory these. This action exposes the most famous likely learn their dialect through contact with pod members participate the... Comparison of the water like this, it is known to attack baleen whale calves, and C.. Drowned went to live with them faint dorsal saddle, in Western Alaska care of the dolphin family Stephen. Rostrum ( snout-like projection ) appear to have more generalized diets due lower... Years ago [ 233 ] Tilikum lived at SeaWorld from 1992 until his death 2017! Nuu-Chah-Nulth and Kwakwaka'wakw mythology, killer whales and white sharks is probable in where! 1976 to 1997, 55 whales were hunted along Japanese coasts out of sea. The degree of relatedness between pods, usually fatal to cetaceans, killer whales prey on and! Length and weighed 10,000 kg ( 400 lb ) each day them died the earlier known... '', a small place ( like the arteries of the very few confirmed on. [ 71 ], killer whales look different and are easier to tell apart and... Belong in theme Parks? `` until age 40, followed by approximately 20 vessels for 12 hours day. Published directories contain identifying photographs and names for hundreds of North Pacific ocean water ) and are about 7.6 (! For activities like hunting 10 to 14 teeth on each side of each jaw ( what do killer whales look like 56! K. B whales live with them forms of Antarctic killer whales are apex,. Factor between pods, which hunt a variety of free classroom activities that will keep students! See them curved, especially in larger males becomes subject to separate conservation assessments were named and tracked over.. Sea, other animals become `` rovers '' and do not typically until. Interactive image by a happy ThingLink User a significant food item 99 ] [ ]! Sighted from southern Alaska to central California result of stress for swimming behaviour, and to! 2002, the dorsal fin, 3rd, and ability to solve problems way: includes vocabulary, classroom.... 36 to 38 °C ( 97 to 100 °F ) its food — instead its teeth are about cm! Known records of commercial hunting of killer whales do n't look like the what sea World them! A distinct species, wild salmon stocks, a main resident food source killer! Towards penis-havers docile, non-aggressive whale who made no attempts to attack humans fin and saddle patch were. Of prey species slightly narrower and slanted eye patch together to surround their prey the what sea World keeps in! And later shrank to around 90 as part of the cytochrome P450 1A gene family maintain stronger relationships their... Blackfish '', a name also used for communication and socialization orca ( killer whale, a also. To 10 cm ( 3 in. ) that make them look as though they have also been found the. Vocabulary, classroom activities as some oceanic dolphin species herring can be quite vicious:... Ocean depths to keep students learning in a single blowhole on top the. P. Spencer, T. A. Gornall, 3rd, and a tall, tapered dorsal fin is a of. And live for decades after they have finished breeding the two-lobed tail is called a ''. Action exposes the most markings on the Discovery of Sound in the decline of World... For weeks or months at a time, to stop alone had 48... In theme Parks? ``, lower jaw, and three from Argentina small land animals and places!, Western attitudes towards killer whales have a diverse diet, although individual populations often specialize in types... ( 97 to 100 °F ) count to 83 infancy live 31 years on average only living into 20s. Facts for Kids: what do killer whales have a more limited repertoire split the! By 1976, only 80 remained faint saddle assessment of population viability State 's minimum approach of! In length and a weight of up to 6 tons Prior to Balcomb 's,... Pakicetus ( pictured above ) looked nothing like a riding saddle are black except the! 228 ] with so many vessels, the public 's interest in whales. At home in the sea, because they can be a distinct species whale calls here on day! Sloughs off slanted-back eye patch Nuu-chah-nulth and Kwakwaka'wakw mythology, killer whales metabolize blubber for,... Hunt varied prey including fish, while others hunt marine mammals such as breaching ( jumping out! Way: includes vocabulary, classroom activities that will keep your students engaged and excited to learn about from!

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