Confrontation, in ecology, refers to the relationship between two different kinds of organisms living together, one or both of which suffer damage. Confrontation is usually the result of different organisms occupying the same niche. It can be divided into invasion, resistance and competition. What one organism benefits and the other suffers damage belongs to invasion; One organism is damaged and another organism is not affected; It is competition that two organisms exert adverse effects on each other.
competition?
Some birds often look for parasites on crocodiles, and birds are safer because predators dare not attack these birds around crocodiles