Haka ( /ˈhɑːkə/ ;  singular haka, in both Māori and English) are a variety of ceremonial dances in Māori culture.  Haka are often performed by a group, with vigorous movements and stamping of the feet with rhythmically shouted accompaniment.  Haka have been traditionally performed—by both men and women—for a variety of social functions within Māori culture.    They are performed to welcome distinguished guests, or to acknowledge great achievements, occasions, or funerals.
Kapa haka groups are common in schools.  The main Māori performing arts competition, Te Matatini, takes place every two years. 
New Zealand sports teams' practice of performing a haka to challenge opponents before international matches has made the dance form more widely known around the world. This tradition began with the 1888–89 New Zealand Native football team tour and has been carried on by the New Zealand rugby union team (known as the All Blacks) since 1905.    Although popularly associated with the traditional battle preparations of male warriors, conceptions that haka are generally war dances, and the non-accurate performance of haka by non-Māori, are considered erroneous and sometimes offensive by Māori scholars.  
The group of people performing a haka is referred to as a kapa haka (kapa meaning group or team, and also rank or row).  The Māori word haka has cognates in other Polynesian languages, for example: Samoan saʻa (saʻasaʻa), Tokelauan haka, Rarotongan ʻaka, Hawaiian haʻa, Marquesan haka, meaning 'to be short-legged' or 'dance'; all from Proto-Polynesian saka, from Proto-Malayo-Polynesian sakaŋ, meaning 'bowlegged'. 
According to Māori scholar Tīmoti Kāretu, haka have been "erroneously defined by generations of uninformed as 'war dances'",  while Māori mythology places haka as a dance "about the celebration of life".  Following a creation story, the sun god, Tama-nui-te-rā, had two wives, the Summer Maid, Hine-raumati, and the Winter Maid, Hine-takurua. Haka originated in the coming of Hine-raumati, whose presence on still, hot days was revealed in a quivering appearance in the air. This was haka of Tāne-rore, the son of Hine-raumati and Tama-nui-te-rā.   Hyland comments that "[t]he haka is (and also represents) a natural phenomena [sic]; on hot summer days, the 'shimmering' atmospheric distortion of air emanating from the ground is personified as 'Te Haka a Tānerore'". 
Jackson and Hokowhitu state, "haka is the generic name for all types of dance or ceremonial performance that involve movement."  The various types of haka include whakatū waewae, tūtū ngārahu and peruperu.  The tūtū ngārahu involves jumping from side to side, while in the whakatū waewae no jumping occurs. Another kind of haka performed without weapons is the ngeri, the purpose of which was to motivate a warrior psychologically. The movements are very free, and each performer is expected to be expressive of their feelings. Manawa wera haka were generally associated with funerals ( tangihanga ) or other occasions involving death. Like the ngeri they were performed without weapons, and there was little or no choreographed movement. 
War haka (peruperu) were originally performed by warriors before a battle, proclaiming their strength and prowess in order to intimidate the opposition.   Various actions are employed in the course of a performance, including facial contortions such as showing the whites of the eyes (pūkana), and poking out the tongue (whetero, performed by men only  ), and a wide variety of vigorous body actions such as slapping the hands against the body and stomping of the feet. As well as chanted words, a variety of cries and grunts are used. Haka may be understood as a kind of symphony in which the different parts of the body represent many instruments.  The hands, arms, legs, feet, voice, eyes, tongue and the body as a whole combine to express courage, annoyance, joy or other feelings relevant to the purpose of the occasion. 
The earliest Europeans to witness haka described them as being "vigorous" and "ferocious".  Joseph Banks, who accompanied James Cook on his first voyage to New Zealand in 1769, later recorded:
From their arrival in the early 19th century, Christian missionaries tried unsuccessfully to eradicate haka, along with other forms of Māori culture that they saw as conflicting with Christian beliefs and practice. Henry Williams, the leader of the Church Missionary Society mission in New Zealand, aimed to replace haka and traditional Māori chants (waiata) with hymns. Missionaries also encouraged European harmonic singing as part of the process of conversion. 
The use of haka in welcoming ceremonies for members of British royal family helped to improve its standing among Europeans. Prince Alfred, the Duke of Edinburgh, was the first royal to visit New Zealand, in 1869.  Upon the Duke's arrival at the wharf in Wellington, he was greeted by a vigorous haka. The Wellington Independent reported, "The excitement of the Maoris becomes uncontrollable. They gesticulate, they dance, they throw their weapons wildly in the air, while they yell like fiends let loose. But all this fierce yelling is of the most friendly character. They are bidding the Duke welcome." 
In modern times, various haka have been composed to be performed by women and even children. In some haka the men start the performance and women join in later.   Haka are performed for various reasons: for welcoming distinguished guests, or to acknowledge great achievements, occasions or funerals.
The 1888–89 New Zealand Native football team began a tradition by performing haka during an international tour.  The common use of haka by the national rugby union team before matches, beginning with The Original All Blacks in 1905,  has made one type of haka familiar. 
Some events have caused protests. The 1979 annual "haka party" parade at the University of Auckland – in which engineering students persisted in parodying haka by painting male genitals on their body and performing with sexually obscene gestures – was disrupted by a collection of Māori and Pacific Island students (He Taua, or The War Party) headed by Ngā Tamatoa, a prominent Māori activist group. For two decades people including Māori students at the university had asked the university and the engineering department to stop the tradition.   In 1979 the protesters included Hone Harawira, later a Member of Parliament.  Several of the engineering students were assaulted, and members of He Taua were arrested.  Their court case in Auckland sparked anti-racism protests outside the courthouse and was supported by a range of people including the president of the Auckland University Students Association. 
The choreographed dance and chant popularized around the world by the All Blacks derives from "Ka Mate",  a brief haka previously intended for extemporaneous, non-synchronized performance, whose composition is attributed to Te Rauparaha (1760s–1849), a war leader of the Ngāti Toa tribe.  The "Ka Mate" haka is classified as a haka taparahi – a ceremonial haka performed without weapons. "Ka Mate" is about the cunning ruse Te Rauparaha used to outwit his enemies, and may be interpreted as "a celebration of the triumph of life over death".  Concerns were expressed that the authorship and significance of this haka to the Ngāti Toa were being lost and that it had "become the most performed, the most maligned, the most abused of all haka",  and was now "the most globally recognised form of cultural appropriation".  Specific legal challenges regarding the rights of the Ngāti Toa to be acknowledged as the authors and owners of "Ka Mate" were eventually settled in a Deed of Settlement between Ngāti Toa and the New Zealand Government and New Zealand Rugby Union agreed in 2009 and signed in 2012.  
In the 21st century, kapa haka has been offered as a subject in universities, including the study of haka, and is practiced in schools and military institutions. 
In addition to the national Te Matatini ("many faces") festival,  local and regional competitions attract dozens of teams and thousands of spectators. 
The All Blacks' use of haka has become the most widely known, but several other New Zealand sports teams now perform haka before commencing a game. These include the national rugby league team ("the Kiwis"),  and the men's national basketball team ("Tall Blacks").  In the lead up to the Rugby World Cup in 2011, flashmob haka became a popular way of expressing support for the All Blacks. Some Māori leaders thought it was "inappropriate" and a "bastardisation" of haka.  Sizeable flashmob haka were performed in Wellington  and Auckland,  as well as London, which has a large New Zealander immigrant community. 
The music video for the song "Poi E" (1983) by the Pātea Māori Club, written by Dalvanius Prime and Ngoi Pēwhairangi, used a mixture of kapa haka and hip-hop choreography. This was then mixed with moves from Michael Jackson's Thriller music video as the outro song parody for Taika Waititi's movie Boy (2010) .  
In November 2012, a Māori kapa haka group from Rotorua performed a version of the "Gangnam Style" dance mixed with a traditional haka in Seoul, celebrating 50 years of diplomatic relations between South Korea and New Zealand. 
On 7 December 2014, at the 2014 Roller Derby World Cup in Dallas, Texas, Team New Zealand performed a haka on roller skates to the Australian Roller Derby team before their bout in the quarter-finals.  Team New Zealand performed a haka before their debut game against Team USA at the 2011 Roller Derby World Cup, on 1 December 2011; however, it was unexpected and the arena music was still playing. It has since become an expected tradition. 
In March 2019, following the Christchurch mosque shootings, school pupils and other groups performed haka to honour those killed in the attacks. 
The choreography in the "Miroh" music video by South Korean boy band Stray Kids featured haka elements. 
Three or four American football teams are known to perform haka as a pregame rite. This appears to have begun at Kahuku High School where both the student body and local community includes many Polynesian Hawaiians, Māori, Samoans, Tahitians, and Tongans. The University of Hawaii Rainbow Warriors football team also adopted haka as a pregame rite during the 2006 season,  and the practice has spread to a number of other teams overseas; there has, however, been some criticism of this as inappropriate and disrespectful.   Non-traditional or inaccurate haka performances have been criticised by Māori academics, such as Morgan Godfrey. 
Māori culture is the customs, cultural practices, and beliefs of the indigenous Māori people of New Zealand. It originated from, and is still part of, Eastern Polynesian culture. Māori culture forms a distinctive part of New Zealand culture and, due to a large diaspora and the incorporation of Māori motifs into popular culture, it is found throughout the world. Within Māoridom, and to a lesser extent throughout New Zealand as a whole, the word Māoritanga is often used as an approximate synonym for Māori culture, the Māori-language suffix -tanga being roughly equivalent to the qualitative noun-ending -ness in English. Māoritanga has also been translated as "[a] Māori way of life." The term kaupapa, meaning the guiding beliefs and principles which act as a base or foundation for behaviour, is also widely used to refer to Māori cultural values.
Te Rauparaha was a Māori rangatira (chief) and war leader of the Ngāti Toa tribe who took a leading part in the Musket Wars, receiving the nickname "the Napoleon of the South". He was influential in the original sale of land to the New Zealand Company and was a participant in the Wairau Affray in Marlborough.
Ngāti Toa, Ngāti Toarangatira or Ngāti Toa Rangatira, is a Māori iwi (tribe) based in the southern North Island and in the northern South Island of New Zealand. Its rohe extends from Whanganui in the north, Palmerston North in the east, and Kaikoura and Hokitika in the south. Ngāti Toa remains a small iwi with a population of only about 4500. It has four marae: Takapūwāhia and Hongoeka in Porirua City, and Whakatū and Wairau in the north of the South Island. Ngāti Toa's governing body has the name Te Rūnanga o Toa Rangatira.
Traditional Māori music, or pūoro Māori, is composed or performed by Māori, the indigenous people of New Zealand, and includes a wide variety of folk music styles, often integrated with poetry and dance.
Kapa haka is the term for Māori action songs and the groups who perform them. The phrase translates to 'group' 'dance'. Kapa haka is an important avenue for Māori people to express and showcase their heritage and cultural Polynesian identity through song and dance.
"Ka Mate" is a Māori haka composed by Te Rauparaha, war leader of the Ngāti Toa tribe of the North Island of New Zealand.
Haka, traditional dances of the Māori people, have been used in sports in New Zealand and overseas. Haka are performed to challenge opponents before matches. The dance form has been adopted by the New Zealand national rugby union team, the "All Blacks", and a number of other New Zealand national teams perform before their international matches; some non-New Zealand sports teams have also adopted haka.
The haka is a traditional Māori dance form. The use of haka in popular culture is a growing phenomenon, originally from New Zealand. Traditionally, haka were used only in Māori cultural contexts, but today haka are used in a wide range of occasions.
Although haka is a traditional dance form of the Māori people of New Zealand, the use of a haka by the All Blacks rugby team before matches has made it familiar worldwide, and various haka have been adopted by sports teams outside New Zealand, particularly American football teams in the United States. Though some teams do contain Māori players, frequently haka have been performed by teams with players from other Polynesian groups, indicating that the performance art has become part of a pan-Polynesian sports culture.
Ngāti Rangiwewehi is an iwi of the Te Arawa confederation of tribes.
Te Kumeroa "Ngoingoi" Pēwhairangi was a prominent teacher of, and advocate for, Māori language and culture, and the composer of many songs, including Poi E. She spearheaded the Māori Renaissance in the late 1970s and early 1980s.
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Taini Hannah Merenia Morrison was a kapa haka performer in New Zealand.
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Te Matatini is a nationwide Māori performing arts festival and competition for kapa haka performers from all of New Zealand. The name was given by Professor Wharehuia Milroy, a composite of Te Mata meaning "the face" and tini denoting "many" — hence the meaning of Te Matatini is "many face".
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Sir Tīmoti Samuel Kāretu is a New Zealand academic of Māori language and performing arts. He served as the inaugural head of the Department of Māori at the University of Waikato, and rose to the rank of professor. He was the first Māori language commissioner, between 1987 and 1999, and then was executive director of Te Kohanga Reo National Trust from 1993 until 2003. In 2003, he was closely involved in the foundation of Te Panekiretanga o te Reo, the Institute of Excellence in Māori Language, and served as its executive director.
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...vigorous dances with actions and rhythmically shouted words. A general term for several types of such dances.