Animal combat organized by humans

thumb|Cockfight in London, c. 1808 thumb|Colonel Colonel Mordaunt's Cock Match|Mordaunt's cockfight in [[Lucknow, 1784–1786, by Johann Zoffany]] thumb|The wantilan, a Balinese pavilion that can be used for cockfighting Cockfighting is a blood sport involving domesticated roosters as the combatants. 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

dog bloodsport

sport in which two male Tülü camels wrestle

hobby and gambling activity involving the fighting of male crickets

blood sport between two rams

traditional cow-fighting event in the Swiss canton of Valais

activity in which insects are made to fight each other

thumb|Two bulls beginning a match in Ishikawa, Okinawa thumb|Arena on Okinawa Island , also known as ushi-zumo or bull sumo, is bull wrestling as it is called in Japan. It used to be a traditional annual or seasonal sport by the proud owners of the farming bulls, but it is now held as a spectator sport in various places, such as the prefectures of Iwate, Kagoshima (Amami Islands), Niigata, Okinawa and Shimane (Oki Islands).

blood sport involving spiders

non-lethal bloodsport between bulls or cows

Bataille de reines

horse fighting betting sport