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Man-eating animal

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For other uses, see Maneater.

Man-eater is a colloquial term for an individual animal that preys on humans as a pattern of hunting behavior. This does not include the scavenging of corpses, a single attack born of opportunity or desperate hunger, or the incidental eating of a human that the animal has killed in self-defense. However, all three cases (especially the last two) may habituate an animal to eating human flesh or to attacking humans, and may foster the development of man-eating behavior.

Although human beings can be attacked by many kinds of animals, man-eaters are those that have incorporated human flesh into their usual diet and actively hunt and kill humans. Most reported cases of man-eaters have involved lions, tigers, leopards,[1][2] and crocodilians. However, they are by no means the only predators that will attack humans if given the chance; a wide variety of species have also been known to adopt humans as usual prey, including bears, Komodo dragons, and hyenas.

Felids

Signage in Addo Elephant National Park reminding humans as to their status of prey to the African lion.

Tigers

Main article: Man-eating tigers

Tigers are recorded to have killed more people than any other big cat, and tigers have been responsible for more human deaths through direct attack than any other wild mammal.[3] About 1,000 people were reportedly killed each year in India during the early 1900s, with one individual tiger killing 430 people in India.[3] Tigers killed 129 people in the Sundarbans mangrove forest from 1969–71.[3] Unlike leopards and lions, man-eating tigers rarely enter human habitations in order to acquire prey. The majority of victims are reportedly in the tiger's territory when the attack takes place.[4] Additionally, tiger attacks mostly occur during daylight hours, unlike those committed by leopards and lions.[4] The Sundarbans are home to approximately 600 royal Bengal tigers[5] who before modern times used to "regularly kill fifty or sixty people a year".[5] In 2008, a loss of habitat due to the Cyclone Sidr led to an increase in the number of attacks on humans in the Indian side of the Sunderbans, as tigers were crossing over to the Indian side from Bangladesh.[6]

A theory promoted to explain this suggests that since tigers drink fresh water, the salinity of the area waters serve as a destabilizing factor in the diet and life of tigers of Sundarbans, keeping them in constant discomfort and making them extremely aggressive. Other theories include the sharing of their habitat with human beings and the consumption of human corpses during floods.[5]

Lions

See also: Lion § Man-eating
The Tsavo maneaters on display in the Field Museum of Natural History.

Man-eating lions have been recorded to actively enter human villages at night as well as during the day to acquire prey. This greater assertiveness usually makes man-eating lions easier to dispatch than tigers. Lions typically become man-eaters for the same reasons as tigers: starvation, old age and illness, though as with tigers, some man-eaters were reportedly in perfect health.[4]

The lion's proclivity for man-eating has been systematically examined. American and Tanzanian scientists report that man-eating behavior in rural areas of Tanzania increased greatly from 1990 to 2005. At least 563 villagers were attacked and many eaten over this period—a number far exceeding the more famed "Tsavo" incidents of a century earlier. The incidents occurred near Selous National Park in Rufiji District and in Lindi Province near the Mozambican border. While the expansion of villagers into bush country is one concern, the authors argue that conservation policy must mitigate the danger because, in this case, conservation contributes directly to human deaths. Cases in Lindi have been documented where lions seize humans from the centre of substantial villages. It is estimated that over 250 people are killed by lions every year.[7]

Man-eating lions studies indicate that African lions eat humans as a supplement to other food, not as a last resort.[8][9]

Leopards

Main article: Leopard attack

Man-eating leopards are a small percentage of all leopards, but have undeniably been a menace in some areas;[10] one leopard in India killed over 200 people.[10] Jim Corbett was noted to have stated that unlike tigers, which usually became man-eaters because of infirmity, leopards more commonly did so after scavenging on human corpses. In the area that Corbett knew well, dead people are usually cremated completely, but when there is a bad disease epidemic, the death rate outruns the supply of cremation pyre wood and people burn the body a little and throw it over the edge of the burning ghat.[11] In Asia, man-eating leopards usually attack at night, and have been reported to break down doors and thatched roofs in order to reach human prey. Attacks in Africa are reported less often, though there have been occasions where attacks occurred in daylight. Both Corbett and Kenneth Anderson have written that hunting the man eating panther presented more challenges than any other animal.

Jaguars

See also: Jaguar § Man-eating

Jaguar attacks on humans are rare nowadays.[12] In the past, they were more frequent, at least after the arrival of Conquistadors in the Americas. The risk to humans would increase if there were fewer capybaras, which the jaguars mainly preyed on.[13]

Cougars

Main article: List of fatal cougar attacks in North America

Due to the expanding human population, cougar ranges increasingly overlap with areas inhabited by humans. Attacks on humans are very rare, as cougar prey recognition is a learned behavior and they do not generally recognize humans as prey.[14] Attacks on people, livestock, and pets may occur when a puma habituates to humans or is in a condition of severe starvation. Attacks are most frequent during late spring and summer, when juvenile cougars leave their mothers and search for new territory. Unlike other big cat man-eaters, cougars do not kill humans as a result of old age or food preference, but in defense of their territory. Such behavior has been documented in hunts by humans, where the cougar is flushed out by dogs which it either outruns or mauls some distance away. Then, the cougar circles around and mauls the hunter in ambush attack. Cougars living close to human habitat will view the humans as passing livestock, and commonly attack women and children on occasion.

Primates

The only documented man-eaters among the great apes are humans themselves and common chimpanzees, who prey on human infants.[15]

Canids

Wolves

Main article: Wolf attacks on humans
Two of the Wolves of Périgord, responsible for the deaths of 18 people in February 1766, on display at the chateau of Razac in Thiviers.

Contrasted to other carnivorous mammals known to attack humans for food, the frequency with which wolves have been recorded to kill people is rather low, indicating that, though potentially dangerous, wolves are among the least threatening for their size and predatory potential, except for the dog which poses lethal hazards for reasons other than predation. In the rare cases in which man-eating wolf attacks occur, the majority of victims are children.[16] Habituation is a known factor contributing to some man-eating wolf attacks which results from living close to human habitations, causing wolves to lose their fear of humans and consequently approach too closely, much like urban coyotes. Habituation can also happen when people intentionally encourage wolves to approach them, usually by offering them food, or unintentionally, when people do not sufficiently intimidate them.[16] This is corroborated by accounts demonstrating that wolves in protected areas are more likely to show boldness toward humans than ones in areas where they are actively hunted.[17]

Dingoes

Main article: Azaria Chamberlain disappearance

Attacks on humans by dingoes are rare, with only 3 recorded fatalities in Australia [citation needed]. Dingoes are normally shy of humans and avoid encounters with them. The most famous record of a dingo attack was the disappearance of nine-week-old Azaria Chamberlain. Her parents reported that they both saw a dingo taking Azaria out of their tent when she and her family were out on a camping trip to Ayers Rock.

Domestic dogs

Main article: Dog attack

Much like other large land carnivores, domestic dogs have the power, strength, speed, agility, voraciousness, intelligence, cunning, and bite force of mammalian species generally understood as man-eaters. Add to this the sort of organization that one associates with lions, hyenas, and wolves, and even a pack of small dogs is potentially as lethal as a single large predator. Predatory attacks by dogs (like wolves) on livestock and wildlife larger than humans demonstrate the potential of a dog as a man-eater. A large dog or a pack of dogs of adequate number depending on size of the dogs has the capacity to kill a human even without predatory intent, and most fatal dog attacks do not result from hunger. Self-extrication from a dog attack is extremely difficult. Of the larger predatory land animals, the dog is arguably the least likely to kill humans as prey. Pet dogs are ordinarily too well fed to contemplate humans as food, and even strays are likely to find food through scavenging or begging.

Predatory acts by dogs upon humans have occurred, and many such incidents were the result of human misconduct. Guards such as Irma Grese and Kurt Franz often set dogs upon live prisoners in Nazi concentration camps with the dog killing the victim and partially devouring the corpse.[18][19]

Coyotes

Although there have been a number of them, almost all known predatory coyote attacks on humans have failed. To date, other than the Kelly Keen coyote attack and the Taylor Mitchell coyote attack, all known victims have survived by fighting, fleeing, or being rescued, and only in the latter case was the victim partially eaten, although that case occurred in Nova Scotia where the local animals are eastern coyotes (coywolves).

Bears

Main article: Bear attacks

Polar bears, being almost completely unused to the presence of humans and therefore having no ingrained fear of them, will hunt people for food, though with the right precautions they are easily deterred. Although bears rarely attack humans, bear attacks often cause devastating injuries due to the size and immense strength of the giant land and shoreline carnivores. As with dogs, predatory intent is not necessary; territorial disputes and protection of cubs can result in death by bear attack. Truly man-eating bear attacks are uncommon, but are known to occur when the animals are diseased or natural prey is scarce, often leading them to attack and eat anything they are able to kill. In July 2008, dozens of starving bears killed two geologists working at a salmon hatchery in Kamchatka.[20] After the partially eaten remains of the two workers were discovered, authorities responded by dispatching hunters to cull or disperse the bears.[21]

Lone, predatory black bears are responsible for most human attacks in the United States and Canada, according to a study from 2011. Unlike female bears, motivated to attack humans to protect cubs, male black bears actually prey on humans, viewing them as a potential food source.[22][23]

Though usually shy and cautious animals, Asian black bears are more aggressive toward humans than the brown bears of Eurasia.[24] Brown bears seldom attack humans on sight, and usually avoid people. They are, however, unpredictable in temperament, and will attack if they are surprised or feel threatened.[25] In some areas of India and Burma, sloth bears are more feared than tigers, due to their unpredictable temperament.[26]

Hyenas

Although hyenas readily feed upon human corpses, they are generally very wary of humans and less dangerous than the big cats whose territory overlaps with theirs. Nonetheless, both the spotted hyena and the smaller striped hyena are powerful predators quite capable of killing an adult human, and are known to attack people when food is scarce. Like most predators, hyena attacks tend to target women, children, and infirm men, though both species can and do attack healthy adult males on occasion. The spotted hyena is the more dangerous of the two species, being larger, more predatory, and more aggressive than the striped hyena. The brown hyena and aardwolf are not known to prey on humans.[citation needed]

Suids

Pigs

Although not true carnivores, pigs are competent predators and can kill and eat helpless humans unable to escape them.[27][unreliable source?] Numerous animal trials in the Middle Ages involved pigs accused of eating children.[28]

Rodents

Rats

Despite small individual size (usually much smaller than dogs, possibly the smallest animals that can singly kill a person in a predatory attack), rats in large numbers can kill helpless people by eating humans alive.[29] Although the bite of one rat is unlikely to kill a person except through disease, the collective damage of dozens of rats can cause death by shock and damage to vital organs. Although not true carnivores, rats are unfussy eaters and social predators should the opportunity arise.

Rat torture has been used upon political prisoners,[citation needed] and not only in such fiction as Nineteen Eighty-Four.

Reptiles

A Nile crocodile is one of the species involved in the most unprovoked fatal attacks on humans.

Crocodiles

Main article: Crocodile attack

Crocodile attacks on people are common in places where crocodiles are native. The saltwater and Nile crocodiles are responsible for more attacks and more deaths than any other wild predator that attacks humans for food. Each year, hundreds of deadly attacks are attributed to the Nile crocodile within sub-Saharan Africa. Because many relatively healthy populations of Nile crocodiles occur in East Africa, their proximity to people living in poverty and/or without infrastructure has made it likely that the Nile crocodile is responsible for more attacks on humans than all other species combined.[citation needed] In Australia crocodiles have also been responsible for several deaths in the tropical north of the country.[30]

Alligators

Main article: List of fatal alligator attacks in the United States by decade

Despite their manifest ability to kill prey similar to or larger than humans in size and their commonness in an area of dense human settlement (the southeastern United States, especially Florida), American alligators rarely prey upon humans. Even so, there have been several notable instances of alligators opportunistically attacking humans, especially the careless, small children, and elderly.[31] Unlike the far-more dangerous saltwater and Nile crocodiles, the majority of alligators avoid contact with humans if possible, especially if they have been hunted. Incidents have happened,[32] and they may not all have been predatory in nature.

Snakes

Only very few species of snakes are physically capable of swallowing an adult human. Although quite a few claims have been made about giant snakes swallowing adult humans, only a limited number have been confirmed. Large constricting snakes will sometimes constrict and kill prey that are too large to swallow. Also, multiple cases are documented of medium-sized (3 m (9.8 ft) to 4 m (13 ft)) captive Burmese pythons constricting and killing humans, including several nonintoxicated, healthy adult men, one of whom was a "student" zookeeper.[33][34][35][36] In the zookeeper case, the python was attempting to swallow the zookeeper's head when other keepers intervened.[36] In addition, at least one Burmese python as small as 2.7 m (8.9 ft) constricted and killed an intoxicated adult man.[37]

A large constricting snake may constrict or swallow an infant or a small child, a threat that is legitimate and empirically proven. Cases of python attacks on children have been recorded for the green anaconda, the African rock python,[38] the Burmese python,[39] and possibly the Australian scrub or amethystine python.[40]

In the Philippines, more than a quarter of Aeta men (a modern forest-dwelling hunter-gatherer group) have reported surviving reticulated python predation attempts.[41] Pythons are nonvenomous, ambush predators, and both the Aeta and pythons hunt deer, wild pigs, and monkeys, making them competitors and prey.[41]

The only group of snakes able to eat an adult human being are the largest constrictors (pythons and anacondas, all nonvenomous), which include the largest snakes in the world:

In 2017 in Indonesia, an adult was discovered inside of a 7 metre long python.[42]

Lizards

Large Komodo dragons are the only known lizard species to occasionally attack and consume humans. Because they live on remote islands, attacks are infrequent and may go unreported. Despite their large size, attacks on people are often unsuccessful and the victims manage to escape (although severe wounds are usually sustained).[43] In most instances, humans consumed by Komodos are corpses dug from shallow graves by the lizards.

Birds

Some evidence supports the contention that the African crowned eagle occasionally views human children as prey, with a witness account of one attack (in which the victim, a seven-year-old boy, survived and the eagle was killed),[44] and the discovery of part of a human child skull in a nest. This would make it the only living bird known to prey on humans.

Some fossil evidence indicates large birds of prey occasionally preyed on prehistoric hominids. The Taung Child, an early human found in Africa, is believed to have been killed by an eagle-like bird similar to the crowned eagle. The extinct Haast's eagle may have preyed on humans in New Zealand, and this conclusion would be consistent with Maori folklore.

Fish

Sharks

Sign warning bathers of the danger of shark attacks
Main article: Shark attack

Contrary to popular belief, only a limited number of shark species are known to pose a serious threat to humans. The species that are most dangerous can be indiscriminate and will take any potential meal they happen to come across (as an oceanic whitetip might eat a person floating in the water after a shipwreck), or may bite out of curiosity or mistaken identity (as with a great white shark attacking a human on a surfboard possibly because it resembles its favoured prey, a seal).

Of more than 568 shark species, only four have been involved in a significant number of fatal unprovoked attacks on humans: the great white shark, tiger shark, bull shark,[45] and the oceanic whitetip shark.[46] These sharks, being large, powerful predators, may sometimes attack and kill humans; it is worth noting that they have all been filmed in open water by unprotected divers.[47][48] Many other species of shark have caused relatively minor, or nonfatal injuries to humans on rare occasions.

Piranhas

Due to its small size, no individual piranha could ever kill a human even if it can take a painful bite of flesh. The ability of a shoal of piranhas to overwhelm and devour a capybara similar in size to human demonstrates the potential of piranhas as man-eaters.

Some controversy, however, exists over whether and to what degree piranha "attacks" represent true predation as opposed to a violent defense of spawning areas or refuges.

Attacks resulting in deaths have occurred in the Amazon basin. In 2011, a drunk 18-year-old man was attacked and killed in Rosario del Yata, Bolivia.[49] In 2012, a five-year-old Brazilian girl was attacked and killed by a shoal of P. nattereri.[50] Some Brazilian rivers have warning signs about lethal piranhas.[51]

Catfish

Reports have been made of goonch catfish eating humans in the Kali River in India.[52] As seen on River Monsters, the wels catfish, piraíba, and the candiru-açu have also been known to potentially attack, kill, and eat people.

Death tolls

Individual notable man-eating animals' death tolls:

See also

References

  1. ^ Corbett, Jim (1944). Man-eaters of Kumaon. Oxford University Press. pp. viii–xiii.
  2. ^ Time Magazine Canadian edition, Saving The Big Cats, issue August 23, 2004, p.38, pp.40-41.
  3. ^ a b c Nowak, Ronald M; and Paradiso, John L. Walker's Mammals of the World. 4th ed. Baltimore: Johns Hopkins University Press; 1983. p1088
  4. ^ a b c John Seidensticker and Susan Lumpkin (1991). Great Cats. p. 240. ISBN 0-87857-965-6.
  5. ^ a b c "Maneaters: The Sundarbans". lairweb. Retrieved 11 December 2013.
  6. ^ "Tiger attacks on rise in Indian Sundarbans". DNA India. Indo-Asian News Service. 30 July 2008. Retrieved 11 March 2014.
  7. ^ Top 10 deadliest animals on the planet, The Daily Telegraph, April 14, 2009
  8. ^ "Why Man-Eating Lions Prey on People—New Evidence". 19 April 2017. Retrieved 19 April 2017.
  9. ^ DeSantis, Larisa R. G.; Patterson, Bruce D. (19 April 2017). "Dietary behaviour of man-eating lions as revealed by dental microwear textures". Scientific Reports. 7 (1). doi:10.1038/s41598-017-00948-5. ISSN 2045-2322.
  10. ^ a b Nowak, Ronald M; and Paradiso, John L. Walker's Mammals of the World. 4th ed. Baltimore: Johns Hopkins University Press; 1983. p1090
  11. ^ books by Jim Corbett
  12. ^ "Latin American Herald Tribune - Jaguar Kills Fisherman on Colombia's Caribbean Coast". Laht.com. Retrieved 19 March 2016.
  13. ^ John Hampden Porter (1894). Wild beasts; a study of the characters and habits of the elephant, lion, leopard, panther, jaguar, tiger, puma, wolf, and grizzly bear. p. 239.
  14. ^ Time Magazine Canadian edition, Saving The Big Cats, issue August 23, 2004, p.43.
  15. ^ "Online Extra: Frodo @ National Geographic Magazine". Ngm.nationalgeographic.com. 15 May 2002. Retrieved 19 March 2016.
  16. ^ a b "The Fear of Wolves: A Review of Wolf Attacks on Humans" (PDF). Norsk Institutt for Naturforskning. Archived from the original (PDF) on 27 September 2007. Retrieved 26 June 2008. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  17. ^ L. David Mech & Luigi Boitani (2001). Wolves: Behaviour, Ecology and Conservation. p. 448. ISBN 0-226-51696-2.
  18. ^ "Irma Grese". Capitalpunishmentuk.org. Retrieved 19 March 2016.
  19. ^ Yitzhak Arad (1987). Belzec, Sobibor, Treblinka: The Operation Reinhard Death Camps, Bloomington: Indiana University Press, pp. 189-190.
  20. ^ Dovbysh, Alexei (22 July 2008). "Russian bears trap geology survey crew". Reuters. Retrieved 24 April 2010.
  21. ^ Harding, Luke (23 July 2008). "Bears eat two men in Russia's eastern wilderness". London: The Guardian. Retrieved 24 April 2010.
  22. ^ Herrero, S.; Higgins, A.; Cardoza, J. E.; Hajduk, L. I.; Smith, T. S. (2011). "Fatal attacks by American black bear on people: 1900–2009". The Journal of Wildlife Management. 75 (3): 596–603. doi:10.1002/jwmg.72.
  23. ^ "Lone, predatory black bears responsible for most human attacks".
  24. ^ Bear Anatomy and Physiology from Gary Brown's The Great Bear Almanac, Lyons & Burford, Publishers, 1993
  25. ^ Bear Attacks: Their Causes and Avoidance by Stephen Herrero, Hurtig Publishers Ltd./ Edmonton 1985
  26. ^ Perry, Richard (1965). The World of the Tiger. p. 260. ASIN: B0007DU2IU.
  27. ^ Squires, Nick (28 November 2013). "Mafia fed rival to pigs while he was still alive". The Telegraph. London. Retrieved 11 March 2014.
  28. ^ Evans, E. P. (Edward Payson) (1 January 1906). "The criminal prosecution and capital punishment of animals". London : W. Heinemann – via Internet Archive.
  29. ^ May 9, 2013 13:52 BST (9 May 2013). "Homeless Man Eaten Alive by Rats in Majorca". Ibtimes.co.uk. Retrieved 19 March 2016.{{cite web}}: CS1 maint: numeric names: authors list (link)
  30. ^ "Recent crocodile deaths in Australia". Sydney Morning Herald. Fairfax Media. 11 April 2009. Retrieved 24 January 2017.
  31. ^ "Body of boy snatched by gator found in Disney lagoon".
  32. ^ "'Aggressive' Gator Kills Burglary Suspect - AOL News". Web.archive.org. 16 November 2007. Archived from the original on 16 November 2007. Retrieved 19 March 2016. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  33. ^ Herszenhorn, David (10 October 1996). "13-Foot-Long Pet Python Kills Its Caretaker". New York City: NYTimes.com. Retrieved 19 March 2016.
  34. ^ "Pet Snake Eyed In Death Python Found With Body". NY Daily News. 10 October 1996. Retrieved 19 March 2016.
  35. ^ Animal Attack Files Archives. "Owner Killed by Snake had been Warned in '98". Igorilla.com. Retrieved 19 March 2016.
  36. ^ a b 2:07AM BST 26 Aug 2008 (26 August 2008). "Python kills careless student zookeeper in Caracas". Telegraph. Retrieved 19 March 2016.{{cite web}}: CS1 maint: numeric names: authors list (link)
  37. ^ "Brampton inquest called for python ban 20 years ago". Insidehalton.com. 6 August 2013. Retrieved 19 March 2016.
  38. ^ https://web.archive.org/web/20141006074142/http://au.ibtimes.com/articles/497370/20130807/canada-criminal-investigation-new-brunswick-python-african.htm. Archived from the original on 6 October 2014. Retrieved 1 October 2014. {{cite web}}: Missing or empty |title= (help); Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  39. ^ Join the discussion: Click to view comments, add yours. "Officials capture 9-foot Burmese python that strangled 2-year-old Sumter County girl | Tampa Bay Times". Tampabay.com. Retrieved 19 March 2016.
  40. ^ Shears, Richard (29 December 2011). "Boy, 2, narrowly cheats death after mother finds him in back garden being squeezed by large python | Daily Mail Online". Dailymail.co.uk. Retrieved 19 March 2016.
  41. ^ a b Headland, T. N.; Greene, H. W. (2011). "Hunter–gatherers and other primates as prey, predators, and competitors of snakes". Proceedings of the National Academy of Sciences. 108 (52): E1470–E1474. doi:10.1073/pnas.1115116108. PMC 3248510. PMID 22160702.
  42. ^ paulam@st (29 March 2017). "Missing man found dead in belly of 7m-long python in Indonesia: Report". The Straits Times. Retrieved 4 June 2017.
  43. ^ "Komodo dragon bites elderly woman on Rinca Island". The Jakarta Post. Niskala Media Tenggara. 13 October 2012. Retrieved 12 February 2014.
  44. ^ Steyn, P. 1982. Birds of prey of southern Africa: their identification and life histories. David Phillip, Cape Town, South Africa.
  45. ^ ISAF Statistics on Attacking Species of Shark
  46. ^ "9: Oceanic Whitetip Shark - The 10 Most Dangerous Sharks | HowStuffWorks". Animals.howstuffworks.com. 5 June 2008. Retrieved 19 March 2016.
  47. ^ 26, Posted on December; Am, 2015 1:30. "Article about Monsanto was 'right thing to do'". {{cite web}}: |last1= has numeric name (help)CS1 maint: numeric names: authors list (link)
  48. ^ The 1992 Cageless shark-diving expedition by Ron and Valerie Taylor.
  49. ^ "Homem bêbado morre após ser atacado por piranhas na Bolívia". terra.com.br. 7 December 2011.
  50. ^ "Menina é atacada por piranhas e morre no Amazonas". tvuol.uol.com.br. 25 October 2012.
  51. ^ Martins, Kelly (16 November 2011). "Praia no Rio Paraguai tem quase um ataque de piranhas por dia em MT". globo.com.
  52. ^ Cockcroft, By Lucy. "Mutant fish develops a taste for human flesh in India".
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