 Because males disperse farther than females and compete more directly for mates and territory , they are most likely to be involved in conflict . Where a <unk> fails to leave his maternal range , for example , he may be killed by his father . When males encounter each other , they hiss , <unk> , and may engage in violent conflict if neither backs down . Hunting or relocation of the cougar may increase aggressive encounters by disrupting territories and bringing young , transient animals into conflict with established individuals . 
