Cock-fighters have taken that simple fact to justify cock-fighting as a "natural" act: what the birds would do, what they "want" to do. read more
They will also fight if the pecking order/”rank” is unclear, for example when a new rooster is added or one dies. I say “fight,” but most of it is really just bluster and acting tough. One guy backs down, and that’s it —it rarely progresses to an actual fight. Then occasionally you just get a jerk that wants to fight. read more
Pheasants (a family that includes chickens and peafowl) and other gallinaceous (groundnesting) birds such as quail, grouse, turkeys, and guinea fowl are generally noted for elaborate breeding displays, which may include physical encounters between competing males. read more