Question: What animal do both Cocky and cockfights have in common?

full_context: Document 1: Battle gaming: Battle gaming is a North American medieval combat sport where participants use mock foam-padded weapons (boffer) in live action battles. The sport began in 1977 with the creation of Dagorhir.
Document 2: Rhett the Boston Terrier: Rhett is the official costumed mascot of the Boston University (BU) and the Boston University Academy (BUA) Terriers. The Boston Terrier has been the BU mascot since 1922. The often snarling, bi-pedal black and white Boston Terrier was later named after the male lead in Margaret Mitchell's "Gone with the Wind", because "No one loves Scarlett more than Rhett" referencing Rhett Butler's affection for Scarlett O'Hara (scarlet is BU's primary color). In recent years Rhett has frequented Boston University games, events, and dining halls wearing his scarlet and white double-zero hockey jersey. Other outfits include a basketball jersey and a referee uniform (typically worn during the short youth hockey games that take place during ice hockey intermissions). However, he is also known to enjoy wearing his scarlet superhero cape when the occasion presents itself. Like all mascots, Rhett and the Terrier logo are ubiquitous at athletic events. The Terriers play varsity Division I intercollegiate sports in ten men's and twelve women's programs. Rhett's nemesis is Baldwin, the Boston College eagle.
Document 3: History of rowing sports: The history of rowing as a sport has prevailed it as one of the oldest traditions in the world. What began as a method of transport and warfare eventually became a sport with a wide following, and a part of the cultural identity of the English speaking world. Rowing in its modern form developed in England in the 1700s.
Document 4: Cockfight: A cockfight is a blood sport between two cocks, or gamecocks, held in a ring called a cockpit. The history of raising fowl for fighting goes back 6,000 years. The first documented use of the "word" gamecock, denoting use of the cock as to a "game", a sport, pastime or entertainment, was recorded in 1634, after the term "cock of the game" used by George Wilson, in the earliest known book on the sport of cockfighting in "The Commendation of Cocks and Cock Fighting" in 1607. But it was during Magellan's voyage of discovery of the Philippines in 1521 when modern cockfighting was first witnessed and documented by Antonio Pigafetta, Magellan's chronicler, in the kingdom of Taytay.
Document 5: Pistol Pete (Oklahoma State University): Pistol Pete is the athletics mascot of Oklahoma State University. In the past, New Mexico State University and the University of Wyoming have both used mascots based on the original Oklahoma State "Pistol Pete" caricature artwork; however both schools have subsequently revised their Pistol Pete mascots so that they no longer resemble Oklahoma State's Pistol Pete. The Pistol Pete mascot costume features traditional cowboy attire and a headpiece resembling Frank Eaton. Pistol Pete has been the mascot for the Oklahoma State Cowboys since 1923.
Document 6: Jianzi: Jianzi (), tī jianzi (踢毽子), tī jian (踢毽) or jianqiú (毽球), also known by other names, is a traditional Chinese national sport in which players aim to keep a heavily weighted shuttlecock in the air by using their bodies, apart from the hands, unlike in similar games peteca and indiaca. The primary source of jianzi sport is a Chinese ancient game called "cuju" of the Han dynasty 2000 years ago. Jianzi's competitive sport types are played on a badminton court using inner or outside lines in different types of jianzi's competitive sports, respectively. it can be played also artistically, among a circle of players in a street or park, with the objective to keep the shuttle 'up' and show off skills. In Vietnam, it is known as "đá cầu" and is the national sport. In the Philippines, it is known as "sipa" and was also the national sport until it was replaced by arnis in December 2009.
Document 7: The Fighting Cock: The Fighting Cock is a 1963 Australian TV play. It is an adaptation of a play by Jean Anouilh whose original French title was L'Hurluberlu. In English, it had a run on Broadway, starring Rex Harrison.
Document 8: The Cock and the Jewel: The Cock and the Jewel is a fable attributed to Aesop. It is one of a number that feature only a single animal. As a trope in literature, the fable is reminiscent of stories used in zen such as the kōan. It presents, in effect, a riddle on relative values and is capable of many interpretations, depending on the point of view from which it is regarded.
Document 9: Stanford Tree: The Stanford Tree is the Stanford Band's mascot and the unofficial mascot of Stanford University. Stanford's team name is "Cardinal", referring to the vivid red color (not the common songbird as at several other schools), and the university has never been able to come up with an official mascot. The Tree, in various versions, has been called one of America's most bizarre and controversial college mascots. The tree regularly appears at the top of Internet "worst mascot" lists but has also appeared on at least one list of top mascots.
Document 10: Jai alai: Jai alai ( ; Basque: ] ) is a sport involving a ball bounced off a walled space by accelerating it to high speeds with a hand-held device (cesta). It is a variation of Basque pelota. The term, coined by Serafin Baroja in 1875, is also often loosely applied to the fronton (the open-walled playing area) where the sport is played. The game is called "zesta-punta" (basket tip) in Basque.
Document 11: Chicken fight: Chicken fight, also known as shoulder wars, is an informal game, often played in a lake or swimming pool, characterized by one team member sitting on the shoulders of his or her teammate or riding piggy-back. The object of the game is to knock down or separate an opposing team through team effort. The person on top is considered to be the "attacker" while the person below is considered to be the "vehicle". The person below may not use arms or hands and must rely on momentum to attack by running into the other team. The person on his/her shoulders is the "attacker" and may use any means possible of separating the other team or knocking them to the ground. If a team is separated or knocked down in any way, they are required to resign from the game and the last team to remain together is considered the winner. It is not uncommon for this game to be banned in many swimming pools due to safety concerns.
Document 12: Touchdown (mascot): Touchdown, or the "Big Red Bear", is the unofficial mascot of Cornell University. The first mascot was a black bear introduced in 1915 by the Cornell University Athletic Association. Three more live bears over the course of approximately two decades also made appearances at Cornell until the live bear was replaced by costumed students some years later. Touchdown appears on the logo for Cornell Athletics.
Document 13: Colonel Reb: Colonel Reb was the mascot of Ole Miss Rebels, the collegiate athletic teams of the University of Mississippi ("Ole Miss") in Oxford, Mississippi. Designed in 1936, the Colonel served as the teams' official sideline mascot from 1979 until 2003. The university replaced him in 2010 with a new on-field mascot, the Black Bear.
Document 14: Cocky (mascot): Cocky is the costumed mascot of the University of South Carolina athletics teams. He represents a cartoon version of a gamecock (a fighting rooster).
Document 15: Hairy Dawg: Hairy Dawg is the costumed mascot of the University of Georgia Bulldogs. Hairy Dawg made his first appearance at the 1981 Sugar Bowl and has been an official mascot of UGA since. Hairy Dawg attends all Georgia Bulldogs football games and most home athletic events (including Georgia Bulldogs basketball, Georgia Lady Bulldogs basketball, Georgia Bulldogs baseball, Georgia Gym Dogs, tennis, volleyball, equestrian, and soccer). Forbes ranks Hairy Dawg No. 3 in their list of "America's Top 10 Sports Mascots".
ground_truth: rooster