competition may cause animals to act aggressively towards members of their own species
people_think_competition is bad_thing. patroling is action_performed_by_animals. occupation is action_performed_by_animals. hunting is action_performed_by_animals. competition is conflict. lumberjacking_competition is competition. organization is action_performed_by_animals. upset is competition. hunting_animals is foraging. attracting_mate is action_performed_by_animals.