Appetite and the Subjectivity of Nestling Hunger

摘要: Begging is important to behavioural ecologists as a signal between parents and offspring that may, or may not, have evolved carry honest information on nestling need. Defining measuring the need underlying begging both critical problematic. The literature regulation of foraging feeding provides insights into this problem. In particular, concept appetite, which combines physiological hunger with other cost-benefit weightings concerning an individual’s motivation feed, makes good sense regulator adaptive behaviour and, it argued, behaviour. Physiological, maturational experiential differences among nestlings can be compared characteristic in show variation appetite help explain patterns individuals, broods species. An appreciation mechanisms realistic basis for studies aspects assessment its honesty.