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6. Nov. Wird Donald Trump wieder triumphieren - oder verlieren die Republikaner die Mehrheit im US-Kongress? Die Midterm-Wahlen in den USA. 7. Nov. Das waren die US-Wahlen im Ticker: Eklat bei Pressekonferenz: Trump beschimpft CNN-Reporter ++ Präsident entlässt Justizminister. Die Wahl zum Repräsentantenhaus der Vereinigten Staaten fand am 6. November statt. Gewählt wurden an diesem Tag alle Mandate des US- Repräsentantenhauses. Sie sind Teil der Halbzeitwahlen (englisch: midterm elections) in der Mitte der ersten Amtszeit des US-Präsidenten.

Nobody who knew her could have anticipated what they would find after her death. Almost immediately, her devastated older brother, Marty, started going through her things to look for signs.

He noticed an unusual pattern among drawings and journal entries, including a small sketch of a girl with a name beneath it in Russian. An internet search of the name turned up the story of Rina Palenkova, a year-old girl who posted a "goodbye" selfie moments before committing suicide in Russia in November The photo went viral on the Russian social media site VK.

He looked through her sketches and found pages of whale drawings and magazine cutouts with the words "I Am a Blue Whale" pasted over them, accompanied by drawings indicating self-harm, suicidal statements with words of goodbye and multiple entries written in Russian.

Marty said the discovery startled him. Nadia hid secrets in her paintings that her family discovered after her death. The Washington Post reported about another teen suicide in Texas that occurred in early July and is suspected to be linked to Blue Whale.

The "game" is said to be administered by an online curator and takes place over 50 days. The curator gives players daily tasks to accomplish and requires them to submit photographic evidence that they have completed each, keeping their communication private.

One man who may be connected to Blue Whale is a year-old psychology major named Philip Budeikin. Authorities from the St Petersburg District Court confirmed in a press statement that there is an open investigation into his charge of "incitement to suicide.

While authorities investigate whether there are curators who directly communicate with teens or whether the game is simply internet folklore, the challenges are said to begin at 4: Some reportedly start with simple things like drawing a blue whale on a piece of paper.

Demands may increase to watching horror movies all night or secretly cutting oneself. It is reported that the curator sends teens to scope out the location of their deaths in advance as one of the challenges.

In some cases, they go to the top of a tall building, in others a train station. Each task becomes riskier, and on the 50th day, players are reportedly instructed to commit suicide.

Dan Reidenberg, executive director of Suicide Awareness Voices of Education, a national nonprofit for suicide prevention, warns that parents need to be watching their children for any of those signs.

He encourages asking kids whether they are playing Blue Whale or have friends who are playing. However, he reiterated that "there is no need to panic, because this is not yet a crisis, rather a caution to alert people in advance.

The colonel of justice for the Investigation Committee Department of St. Petersburg, Anton Breydo, launched an investigation on Blue Whale in Russia and was working with a girl who had survived a suicide attempt, according to the news outlet Novaya Gazeta.

She informed him that players are told that once they start playing, there is "no way back. However, it later said that only 80 of those could be proved and was criticized as exaggerating numbers that could not be definitively linked to the game.

Gathering evidence of such a game is difficult, and catching warning signs can be even harder for those unaware. It took me less than 20 minutes to figure that out.

Nadia did an abstract painting of blue whale skeletons for a school project, and the school had it framed and displayed.

The painting took on a new meaning in the aftermath of her death. A photo of her legs dangling over the roof of her house, pictures of self-inflicted cuts on her body and a final post of train tracks with the words "good bye," made the morning she died, all bore resemblance to the other reported accounts of Blue Whale victims.

The family believes this photo was one of the "challenges" Nadia completed. Most of the time, she only wanted to draw.

I never thought she would go and try to find a site or a way to chat with people and believe them. Some appeared to be love letters, while others showed signs of correspondence with someone.

The family continues to ask questions that might never be answered. Suicide is the third-leading cause of death among Americans age 10 to 14 and the second among people 15 to 34, according to statistics from the US Centers for Disease Control and Prevention.

Randle says people have been nervous to talk about suicide and very sensitive to the topic, leading the issue to be under-reported. According to Randle, Nadia was the 20th reported teen to commit suicide in Georgia this year, and since her death in May, there has been one more.

Marty warns that the signs might be hiding in plain sight. Right around her friends. Adult killer whales are very distinctive, seldom confused with any other sea creature.

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.

Killer whales are the largest extant members of the dolphin family. Killer whale pectoral fins , analogous to forelimbs, are large and rounded, resembling paddles, with those of males significantly larger than those of females.

Dorsal fin s also exhibit sexual dimorphism , with those of males about 1. An individual killer whale can often be identified from its dorsal fin and saddle patch.

Variations such as nicks, scratches, and tears on the dorsal fin and the pattern of white or grey in the saddle patch are unique.

Published directories contain identifying photographs and names for hundreds of North Pacific animals. Photographic identification has enabled the local population of killer whales to be counted each year rather than estimated, and has enabled great insight into lifecycles and social structures.

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.

Burdin and Erich Hoyt , filmed an adult male nicknamed Iceberg. Killer whales have good eyesight above and below the water, excellent hearing, and a good sense of touch.

They have exceptionally sophisticated echolocation abilities, detecting the location and characteristics of prey and other objects in the water by emitting clicks and listening for echoes, [68] as do other members of the dolphin family.

Killer whales are found in all oceans and most seas. Due to their enormous range , numbers, and density, relative distribution is difficult to estimate, [72] but they clearly prefer higher latitudes and coastal areas over pelagic environments.

Information for offshore regions and warmer waters is more scarce, but widespread sightings indicate the killer whale can survive in most water temperatures.

They have been sighted, though more infrequently, in the Mediterranean , the Arabian Sea , the Gulf of Mexico , and the Caribbean. Recorded sightings have been made from almost the entire shoreline.

However, a small year-round population is known to exist in the Strait of Gibraltar , mostly on the Atlantic side.

In the Antarctic, killer whales range up to the edge of the pack ice and are believed to venture into the denser pack ice, finding open leads much like beluga whales in the Arctic.

However, killer whales are merely seasonal visitors to Arctic waters, and do not approach the pack ice in the summer.

With the rapid Arctic sea ice decline in the Hudson Strait , their range now extends deep into the northwest Atlantic. Migration patterns are poorly understood.

Each summer, the same individuals appear off the coasts of British Columbia and Washington. Despite decades of research, where these animals go for the rest of the year remains unknown.

Transient pods have been sighted from southern Alaska to central California. Worldwide population estimates are uncertain, but recent consensus suggests a minimum of 50, Killer whales are apex predators , meaning that they themselves have no natural predators.

They are sometimes called the wolves of the sea, because they hunt in groups like wolf packs. Fish-eating killer whales prey on around 30 species of fish.

They then slap the ball with their tail flukes, stunning or killing up to 15 fish at a time, then eating them one by one.

Carousel feeding has only been documented in the Norwegian killer whale population, as well as some oceanic dolphin species.

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 mako sharks.

Killer whales are very sophisticated and effective predators of marine mammals. Groups even attack larger cetaceans such as minke whales , gray whales , [] and, rarely, sperm whales or blue whales.

Hunting a large whale usually takes several hours. Killer whales generally attack young or weak animals; however, a group of five or more may attack a healthy adult.

When hunting a young whale, a group chases it and its mother to exhaustion. Eventually, they separate the pair and surround the calf, drowning it by keeping it from surfacing.

Pods of female sperm whales sometimes protect themselves by forming a protective circle around their calves with their flukes facing outwards, using them to repel the attackers.

Adult bull sperm whales, which are large, powerful and aggressive when threatened, and fully grown adult blue whales, which are possibly too large to overwhelm, are not believed to be prey for killer whales.

Prior to the advent of industrial whaling , great whales may have been the major food source for killer whales. The introduction of modern whaling techniques may have aided killer whales by the sound of exploding harpoons indicating availability of prey to scavenge, and compressed air inflation of whale carcasses causing them to float, thus exposing them to scavenging.

However, the devastation of great whale populations by unfettered whaling has possibly reduced their availability for killer whales, and caused them to expand their consumption of smaller marine mammals, thus contributing to the decline of these as well.

It has been hypothesised that predation by orcas on whale calves in high-productivity, high-latitude areas is the reason for great whale migrations during breeding season to low-productivity tropical waters where orcas are scarcer.

Other marine mammal prey species include nearly 20 species of seal , sea lion and fur seal. Walruses and sea otters are less frequently taken.

Often, to avoid injury, killer whales disable their prey before killing and eating it. This may involve throwing it in the air, slapping it with their tails, ramming it, or breaching and landing on it.

In the Aleutian Islands , a decline in sea otter populations in the s was controversially attributed by some scientists to killer whale predation, although with no direct evidence.

Beaching, usually fatal to cetaceans, is not an instinctive behaviour, and can require years of practice for the young. This washes the prey into the water, where other killer whales lie in wait.

Killer whales have also been observed preying on terrestrial mammals , such as deer swimming between islands off the northwest coast of North America.

Killer whales in many areas may prey on cormorants and gulls. Four others then learned to copy the behaviour. Day-to-day killer whale behaviour generally consists of foraging, travelling, resting and socializing.

Killer whales frequently engage in surface behaviour such as breaching jumping completely out of the water and tail-slapping.

These activities may have a variety of purposes, such as courtship, communication, dislodging parasites , or play. Spyhopping is a behaviour in which a whale holds its head above water to view its surroundings.

Resident killer whales swim alongside porpoises , other dolphins , seals , and sea lions , which are common prey for transient killer whales.

Killer whales are notable for their complex societies. Only elephants and higher primates live in comparably complex social structures.

Resident killer whales in the eastern North Pacific live in particularly complex and stable social groups.

Unlike any other known mammal social structure, resident whales live with their mothers for their entire lives. 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.

The average size of a matriline is 5. These matrilineal groups are highly stable. Individuals separate for only a few hours at a time, to mate or forage.

With one exception, a killer whale named Luna , no permanent separation of an individual from a resident matriline has been recorded.

Closely related matrilines form loose aggregations called pods, usually consisting of one to four matrilines. Unlike matrilines, pods may separate for weeks or months at a time.

Clan ranges overlap, mingling pods from different clans. Clans within a community do not share vocal patterns. Transient pods are smaller than resident pods, typically consisting of an adult female and one or two of her offspring.

Males typically maintain stronger relationships with their mothers than other females. These bonds can extend well into adulthood.

Unlike residents, extended or permanent separation of transient offspring from natal matrilines is common, with juveniles and adults of both sexes participating.

Some males become "rovers" and do not form long-term associations, occasionally joining groups that contain reproductive females. Like all cetaceans , killer whales depend heavily on underwater sound for orientation, feeding, and communication.

They produce three categories of sounds: 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.

Northeast Pacific resident groups tend to be much more vocal than transient groups in the same waters. In contrast, the marine mammal prey of transients hear well underwater at the frequencies used in killer whale calls.

As such, transients are typically silent, probably to avoid alerting their mammalian prey. Residents are only silent when resting. All members of a resident pod use similar calls, known collectively as a dialect.

Dialects are composed of specific numbers and types of discrete, repetitive calls. They are complex and stable over time.

Similarity in dialects likely reflects the degree of relatedness between pods, with variation building over time.

The use of both call types is called biphonation. The increased subset call types may be the distinguishing factor between pods and inter-pod relations.

Dialects of killer whales not only distinguish them between pods, but also between types. All members of the North American west coast transient community express the same basic dialect, although minor regional variation in call types is evident.

Preliminary research indicates offshore killer whales have group-specific dialects unlike those of residents and transients.

The vocalizations of killer whales in other parts of the world have also been studied. Norwegian and Icelandic herring-eating orcas appear to have different vocalizations for activities like hunting and traveling.

Killer whales have the second-heaviest brains among marine mammals [] after sperm whales , which have the largest brain of any animal.

They can be trained in captivity and are often described as intelligent, [] [] although defining and measuring "intelligence" is difficult in a species whose environment and behavioral strategies are very different from those of humans.

Killer whales imitate others, and seem to deliberately teach skills to their kin. Off the Crozet Islands , mothers push their calves onto the beach, waiting to pull the youngster back if needed.

Alaskan killer whales have not only learned how to steal fish from longlines , but have also overcome a variety of techniques designed to stop them, such as the use of unbaited lines as decoys.

A researcher described what happened next:. It worked really well for a while. Then the whales split into two groups. They were so thrilled when they figured out what was going on, that we were playing games.

They were breaching by the boats. In other anecdotes, researchers describe incidents in which wild killer whales playfully tease humans by repeatedly moving objects the humans are trying to reach, [] or suddenly start to toss around a chunk of ice after a human throws a snowball.

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.

Two species or populations are considered sympatric when they live in the same geographic area and thus regularly encounter one another.

Female killer whales begin to mature at around the age of 10 and reach peak fertility around 20, [] experiencing periods of polyestrous cycling separated by non-cycling periods of three to 16 months.

Females can often breed until age 40, followed by a rapid decrease in fertility. Some are claimed to have lived substantially longer: Granny J2 was estimated by some researchers to have been as old as years at the time of her death, though a biopsy sample indicated her age as 65 to 80 years.

To avoid inbreeding , males mate with females from other pods. Gestation varies from 15 to 18 months. In resident pods, births occur at any time of year, although winter is the most common.

According to observations in several regions, all male and female pod members participate in the care of the young. Males sexually mature at the age of 15, but do not typically reproduce until age Wild males live around 29 years on average, with a maximum of about 60 years.

This would have made him up to 90 years old. Examination of his teeth indicated he died around age 35, [] but this method of age determination is now believed to be inaccurate for older animals.

Infanticide , once thought to occur only in captive killer whales, was observed in wild populations by researchers off British Columbia on Dec.

In this incident, an adult male killed the calf of a female within the same pod, with his mother also joining in the assault.

Such behavior matches that of many smaller dolphin species such as the bottlenose dolphin. Like other animals at the highest trophic levels , the killer whale is particularly at risk of poisoning from bioaccumulation of toxins, including polychlorinated biphenyls PCBs.

When food is scarce, killer whales metabolize blubber for energy, which increases pollutant concentrations in their blood.

In the Pacific Northwest , wild salmon stocks, a main resident food source, have declined dramatically in recent years.

In , the United States government listed the southern resident community as an endangered population under the Endangered Species Act. They do not breed outside of their community, which was once estimated at around animals and later shrank to around These deaths can be attributed to declines in Chinook salmon.

Scientist Ken Balcomb has extensively studied killer whales since ; he is the research biologist responsible for discovering U.

Navy sonar may harm killer whales. The whales seemed "agitated and were moving haphazardly, attempting to lift their heads free of the water" to escape the sound of the sonars.

The sound originated from a U. Navy frigate 12 miles 19 kilometers distant, Balcomb said. These whales were beached on the day U.

Navy destroyers were activated into sonar exercise. These six dead whales were studied, and CAT scans of two of the whale heads showed hemorrhaging around the brain and the ears, which is consistent with decompression sickness.

Another conservation concern was made public in September when the Canadian government decided it was not necessary to enforce further protections including the Species at Risk Act in place to protect endangered animals along their habitats for killer whales aside from the laws already in place.

In response to this decision, six environmental groups sued the federal government, claiming killer whales were facing many threats on the British Columbia Coast and the federal government did nothing to protect them from these threats.

Underwater noise from shipping, drilling, and other human activities is a significant concern in some key killer whale habitats, including Johnstone Strait and Haro Strait.

Killer whales also avoided the surrounding waters. Eleven members about half of one resident pod disappeared in the following year.

The spill damaged salmon and other prey populations, which in turn damaged local killer whales. By , scientists estimated the AT1 transient population considered part of a larger population of transients , numbered only seven individuals and had not reproduced since the spill.

This population is expected to die out. A study published in Science found that global killer whale populations are poised to dramatically decline due to exposure to toxic chemical and PCB pollution.

The indigenous peoples of the Pacific Northwest Coast feature killer whales throughout their art , history, spirituality and religion.

The Haida regarded killer whales as the most powerful animals in the ocean, and their mythology tells of killer whales living in houses and towns under the sea.

According to these myths, they took on human form when submerged, and humans who drowned went to live with them.

The Maritime Archaic people of Newfoundland also had great respect for killer whales, as evidenced by stone carvings found in a 4,year-old burial at the Port au Choix Archaeological Site.

In the tales and beliefs of the Siberian Yupik people, killer whales are said to appear as wolves in winter, and wolves as killer whales in summer.

In Western cultures , killer whales were historically feared as dangerous, savage predators. Of the very few confirmed attacks on humans by wild killer whales, none have been fatal.

In the s, a surfer in California was bitten, and in , a boy in Alaska who was splashing in a region frequented by harbor seals was bumped by a killer whale that apparently misidentified him as prey.

Competition with fishermen also led to killer whales being regarded as pests. In the waters of the Pacific Northwest and Iceland , the shooting of killer whales was accepted and even encouraged by governments.

Navy claimed to have deliberately killed hundreds of killer whales in Icelandic waters in with machine-guns, rockets, and depth charges.

Western attitudes towards killer whales have changed dramatically in recent decades. In the mids and early s, killer whales came to much greater public and scientific awareness, starting with the first live-capture and display of a killer whale known as Moby Doll , a resident harpooned off Saturna Island in To the surprise of those who saw him, Moby Doll was a docile, nonaggressive whale that made no attempts to attack humans.

Between and , 50 killer whales from the Pacific Northwest were captured for display in aquaria , and public interest in the animals grew.

Through photo-identification techniques, individuals were named and tracked over decades. Only one whale has been taken in North American waters since However, his case was marked by controversy about whether and how to intervene, and in , Luna was killed by a boat propeller.

The earlier of known records of commercial hunting of killer whales date to the 18th century in Japan. During the 19th and early 20th centuries, the global whaling industry caught immense numbers of baleen and sperm whales, but largely ignored killer whales because of their limited amounts of recoverable oil , their smaller populations, and the difficulty of taking them.

Between and , Japan took 1, killer whales although the Ministry of the Environment claims that there had been domestic catches of about 1, whales between late s to s [] and Norway took Today, no country carries out a substantial hunt, although Indonesia and Greenland permit small subsistence hunts see Aboriginal whaling.

Other than commercial hunts, killer whales were hunted along Japanese coasts out of public concern for potential conflicts with fisheries.

Such cases include a semi-resident male-female pair in Akashi Strait and Harimanada being killed in the Seto Inland Sea in , [] [] the killing of five whales from a pod of 11 members that swam into Tokyo Bay in , [] and a catch record in southern Taiwan in the s.

Killer whales have helped humans hunting other whales. From to , 55 whales were taken from the wild in Iceland, 19 from Japan, and three from Argentina.

These figures exclude animals that died during capture. Organizations such as World Animal Protection and the Whale and Dolphin Conservation campaign against the practice of keeping them in captivity.

Captives have vastly reduced life expectancies, on average only living into their 20s. Wild males who survive infancy live 31 years on average, and up to 50—60 years.

Critics claim captive life is stressful due to these factors and the requirement to perform circus tricks that are not part of wild killer whale behavior, see above.

A study coauthored by staff at SeaWorld and the Minnesota Zoo indicates that there is no significant difference in survivorship between free-ranging and captive killer whales.

The authors speculate about the future utility of studying captive populations for the purposes of understanding orca biology and the implications of such research of captive animals in the overall health of both wild and marine park populations.

As of March , SeaWorld has announced that they will be ending their orca breeding program and their theatrical shows. They previously announced, in November , 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.

From Wikipedia, the free encyclopedia. For other uses, see Orca disambiguation. The largest living species of dolphin.

Linnaeus , [4]. Multimedia relating to the orca. Killer whale calls at a distance. Vocalizations of a killer whale.

Killer whale attacks on humans. Killer Whales in popular culture. Cetaceans portal Marine life portal. Mammal Species of the World: A Taxonomic and Geographic Reference 3rd ed.

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In , the United States government listed the southern resident community as an endangered population under the Endangered Species Act.

They do not breed outside of their community, which was once estimated at around animals and later shrank to around These deaths can be attributed to declines in Chinook salmon.

Scientist Ken Balcomb has extensively studied killer whales since ; he is the research biologist responsible for discovering U. Navy sonar may harm killer whales.

The whales seemed "agitated and were moving haphazardly, attempting to lift their heads free of the water" to escape the sound of the sonars.

The sound originated from a U. Navy frigate 12 miles 19 kilometers distant, Balcomb said. These whales were beached on the day U.

Navy destroyers were activated into sonar exercise. These six dead whales were studied, and CAT scans of two of the whale heads showed hemorrhaging around the brain and the ears, which is consistent with decompression sickness.

Another conservation concern was made public in September when the Canadian government decided it was not necessary to enforce further protections including the Species at Risk Act in place to protect endangered animals along their habitats for killer whales aside from the laws already in place.

In response to this decision, six environmental groups sued the federal government, claiming killer whales were facing many threats on the British Columbia Coast and the federal government did nothing to protect them from these threats.

Underwater noise from shipping, drilling, and other human activities is a significant concern in some key killer whale habitats, including Johnstone Strait and Haro Strait.

Killer whales also avoided the surrounding waters. Eleven members about half of one resident pod disappeared in the following year.

The spill damaged salmon and other prey populations, which in turn damaged local killer whales. By , scientists estimated the AT1 transient population considered part of a larger population of transients , numbered only seven individuals and had not reproduced since the spill.

This population is expected to die out. A study published in Science found that global killer whale populations are poised to dramatically decline due to exposure to toxic chemical and PCB pollution.

The indigenous peoples of the Pacific Northwest Coast feature killer whales throughout their art , history, spirituality and religion. The Haida regarded killer whales as the most powerful animals in the ocean, and their mythology tells of killer whales living in houses and towns under the sea.

According to these myths, they took on human form when submerged, and humans who drowned went to live with them. The Maritime Archaic people of Newfoundland also had great respect for killer whales, as evidenced by stone carvings found in a 4,year-old burial at the Port au Choix Archaeological Site.

In the tales and beliefs of the Siberian Yupik people, killer whales are said to appear as wolves in winter, and wolves as killer whales in summer.

In Western cultures , killer whales were historically feared as dangerous, savage predators. Of the very few confirmed attacks on humans by wild killer whales, none have been fatal.

In the s, a surfer in California was bitten, and in , a boy in Alaska who was splashing in a region frequented by harbor seals was bumped by a killer whale that apparently misidentified him as prey.

Competition with fishermen also led to killer whales being regarded as pests. In the waters of the Pacific Northwest and Iceland , the shooting of killer whales was accepted and even encouraged by governments.

Navy claimed to have deliberately killed hundreds of killer whales in Icelandic waters in with machine-guns, rockets, and depth charges.

Western attitudes towards killer whales have changed dramatically in recent decades. In the mids and early s, killer whales came to much greater public and scientific awareness, starting with the first live-capture and display of a killer whale known as Moby Doll , a resident harpooned off Saturna Island in To the surprise of those who saw him, Moby Doll was a docile, nonaggressive whale that made no attempts to attack humans.

Between and , 50 killer whales from the Pacific Northwest were captured for display in aquaria , and public interest in the animals grew. Through photo-identification techniques, individuals were named and tracked over decades.

Only one whale has been taken in North American waters since However, his case was marked by controversy about whether and how to intervene, and in , Luna was killed by a boat propeller.

The earlier of known records of commercial hunting of killer whales date to the 18th century in Japan. During the 19th and early 20th centuries, the global whaling industry caught immense numbers of baleen and sperm whales, but largely ignored killer whales because of their limited amounts of recoverable oil , their smaller populations, and the difficulty of taking them.

Between and , Japan took 1, killer whales although the Ministry of the Environment claims that there had been domestic catches of about 1, whales between late s to s [] and Norway took Today, no country carries out a substantial hunt, although Indonesia and Greenland permit small subsistence hunts see Aboriginal whaling.

Other than commercial hunts, killer whales were hunted along Japanese coasts out of public concern for potential conflicts with fisheries. Such cases include a semi-resident male-female pair in Akashi Strait and Harimanada being killed in the Seto Inland Sea in , [] [] the killing of five whales from a pod of 11 members that swam into Tokyo Bay in , [] and a catch record in southern Taiwan in the s.

Killer whales have helped humans hunting other whales. From to , 55 whales were taken from the wild in Iceland, 19 from Japan, and three from Argentina.

These figures exclude animals that died during capture. Organizations such as World Animal Protection and the Whale and Dolphin Conservation campaign against the practice of keeping them in captivity.

Captives have vastly reduced life expectancies, on average only living into their 20s. Wild males who survive infancy live 31 years on average, and up to 50—60 years.

Critics claim captive life is stressful due to these factors and the requirement to perform circus tricks that are not part of wild killer whale behavior, see above.

A study coauthored by staff at SeaWorld and the Minnesota Zoo indicates that there is no significant difference in survivorship between free-ranging and captive killer whales.

The authors speculate about the future utility of studying captive populations for the purposes of understanding orca biology and the implications of such research of captive animals in the overall health of both wild and marine park populations.

As of March , SeaWorld has announced that they will be ending their orca breeding program and their theatrical shows.

They previously announced, in November , 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.

From Wikipedia, the free encyclopedia. For other uses, see Orca disambiguation. The largest living species of dolphin.

Linnaeus , [4]. Multimedia relating to the orca. Killer whale calls at a distance. Vocalizations of a killer whale.

Killer whale attacks on humans. Killer Whales in popular culture. Cetaceans portal Marine life portal.

Mammal Species of the World: A Taxonomic and Geographic Reference 3rd ed. Johns Hopkins University Press. Retrieved 28 April International Union for Conservation of Nature.

Integrated Taxonomic Information System. Retrieved March 9, Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis.

Tomus I in Latin 10th ed. Retrieved January 26, Whales, dolphins, and porpoises of the eastern North Pacific and adjacent Arctic waters: Status of Killer Whales in Canada.

Journal of Cetacean Research and Management. Is there a global model? Canadian Journal of Zoology. Communicating with costly calls".

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Respiratory and cardiac activity of killer whales. In Estes, James A. Whales, whaling and ocean ecosystems. University of California Press. Retrieved July 12, Whale and Dolphin Conservation.

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Encyclopedia of Marine Mammals. Cetacean Sightings Network, June 1, An ongoing legacy of industrial whaling? On March 12, , the parents of seven Tunisian children who claimed their children had killed themselves due to the game requested a ban on Blue Whale from the Tunisian courts.

A trial court in Sousse issued an interim judgment prohibiting Blue Whale and another supposed similar game named "Miriam". In the United States, one site, also called the "Blue Whale Challenge", does not identify as an effort to combat the game, but offers 50 days of challenges that promote mental health and well-being.

From Wikipedia, the free encyclopedia. Should you be worried about online pressure groups? Archived from the original on Retrieved 13 June Retrieved 25 September UK Safer Internet Centre.

Archived from the original on 24 November Retrieved 24 November Archived from the original on 25 November Retrieved 25 November Archived from the original on 10 November Retrieved 10 November Retrieved 13 January Archived from the original on 11 November Retrieved 11 November Archived from the original on 8 October Retrieved 8 October The five main questions to the Novaya Gazeta article about teenage suicides".

Archived from the original on 1 December Archived from the original on 18 May Новая газета - Novayagazeta. Retrieved 11 January Boy hospitalised for taking antidepressants".

HC orders 6-month halt on special internet night packages - bdnews Retrieved 21 September Archived from the original on 31 July Indore boy noted tasks in school diary before trying to kill self".

Archived from the original on 11 August Retrieved 11 August Class VI student hangs himself to death". Retrieved 28 August Retrieved September 5, Retrieved 5 August Petersburg, Anton Breydo, launched an investigation on Blue Whale in Russia and was working with a girl who had survived a suicide attempt, according to the news outlet Novaya Gazeta.

She informed him that players are told that once they start playing, there is "no way back. However, it later said that only 80 of those could be proved and was criticized as exaggerating numbers that could not be definitively linked to the game.

Gathering evidence of such a game is difficult, and catching warning signs can be even harder for those unaware. It took me less than 20 minutes to figure that out.

Nadia did an abstract painting of blue whale skeletons for a school project, and the school had it framed and displayed.

The painting took on a new meaning in the aftermath of her death. A photo of her legs dangling over the roof of her house, pictures of self-inflicted cuts on her body and a final post of train tracks with the words "good bye," made the morning she died, all bore resemblance to the other reported accounts of Blue Whale victims.

The family believes this photo was one of the "challenges" Nadia completed. Most of the time, she only wanted to draw. I never thought she would go and try to find a site or a way to chat with people and believe them.

Some appeared to be love letters, while others showed signs of correspondence with someone. The family continues to ask questions that might never be answered.

Suicide is the third-leading cause of death among Americans age 10 to 14 and the second among people 15 to 34, according to statistics from the US Centers for Disease Control and Prevention.

Randle says people have been nervous to talk about suicide and very sensitive to the topic, leading the issue to be under-reported.

According to Randle, Nadia was the 20th reported teen to commit suicide in Georgia this year, and since her death in May, there has been one more.

Marty warns that the signs might be hiding in plain sight. Right around her friends. This is a thing that is happening, so people should know, especially parents that have kids that could potentially be subjected to the same thing and also to ask for help.

Google data show that online searches for Blue Whale in the United States began in late February, with interest spiking across the country in mid-May.

They may be linked to media coverage in the UK around that time. One way to address the topic is head-on. Pearson says there is good information available for parents to help children and teenagers recognize dangers online.

Reidenberg echoed that sentiment: We want to encourage parents to talk to their kids about online safety. Reidenberg also warns that sensationalizing a topic can lead to more harm than help, but he hopes that telling the story of Nadia and her family can ensure awareness.

Pearson says social media can influence the mental health of teens, though she questions whether it causes suicidal behavior or serves as a vehicle to move it along.

Indian internet watchdog the Centre for Internet and Society accused the coverage of effectively spreading and advertising a "game" for which there is little evidence. Organizations such as World Animal Protection and the Whale and Dolphin Conservation campaign against the practice of keeping them in captivity. Iniidae Inia Amazon river dolphin I. In Junepostman Ilya Sidorov was arrested in Moscow, usa wahle accused of setting up a "Blue Whale" group to encourage children to self-harm and ultimately commit suicide. It relied on the collaboration of hundreds of lovetalk de. Archived from the original on 18 May Archived from the original on 12 July According to Randle, Nadia was the 20th reported teen to commit transfers hannover 96 in Georgia this year, and since her death in May, there has been one more. Occasionally a vegas casino non smoking whale is white; they have been spotted in the northern Bering Sea and around St. Northern right whale dolphin L. Eschrichtius Gray whale E.

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