Ключевые слова: aggression, aggressive, animal, animals, asia, attack, avian, beak, bird, chicken, chickens, cock, cockerel, cockfight, competition, conflict, contest, crest, cruelty, domestic, dominant, farm, feather, fierce, fight, fighter, fighting, fowl, gambling, game, gamecock, gamecocks, gaze, illegal, jump, male, match, peck, pets, plumage, poultry, quarrel, red, rooster, rural, sport, threats, trained, two, vicious,