The behavior animals engage in to keep clean. GroomingGrooming The behavior animals engage in to keep clean. Grooming removes dirt from fur and body openings. Absence of this behavior indicates reduced well-being. removes dirt from fur and body openings. Absence of this behavior indicates reduced well-beingWell-being A complex and dynamic internal state that includes: successful biologic functioning, positive experiences, and absence of negative conditions. The animal adapts effectively to internal needs and external stimuli and maintains a good mental state..