Abstract
The presence of an adult rat at a feeding site profoundly influenced a conspecific weanling''s probability of eating there. Presence of an adult rat at a drinking site did not have a comparable effect. The influence of adult presence at a feeding site on pup feeding site selection, reported in previous studies, may not be simply an epiphenomenon reflecting a general affiliative tendency of rat pups. Social affiliation appears to be a factor of special importance in the feeding site selection of young rats.

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