It is they way to show which challenger is most likely to be the ruler of a clan or group. It is an activity that animals and humans fight in to overcome their challengers. It helps them survive be feeding on prey with many more organisms. It helps by giving the animals different futures to being able to show leadership and keep them selfs protected.
They fight over a female to mate with.
Jaguars fighting over food.
They fight over a dead animal to see who gets to eat and who does'nt.
Wolfs are competing over a female group.
The wolfs fight for control over a group of females.
It's were animals defend their mating site or home. It rarely creates fights.There is normally a display by animals some how. Some places are peed on by animals to show thats their spot.