Fragaszy D M, Feuerstein J M, Mitra D
Department of Psychology, University of Georgia, Athens 30602, USA.
J Comp Psychol. 1997 Jun;111(2):194-200. doi: 10.1037/0735-7036.111.2.194.
This study examined the behavioral mechanisms that support transfer of food from adults to infants in tufted capuchins (Cebus apella). Two captive groups of capuchins were presented with abundant quantities of unshelled pecans or commercial pellets. Five of 11 infant subjects could not open the nuts. A variety of tolerated interactions were initiated by infants toward adults, and food was frequently transferred. All such interactions were more frequent with nuts (a preferred food) than with pellets. Adult capuchins were equally tolerant of infant capuchins that could open nuts and those that could not. Tolerated interactions during feeding could result in acquisition of dietary information by young capuchins or to important, if intermittent, nutritional support.
本研究考察了支持簇绒卷尾猴（僧帽猴属）中成年个体向幼崽传递食物的行为机制。给两组圈养的卷尾猴提供了大量带壳山核桃或商业颗粒饲料。11只幼崽中有5只打不开坚果。幼崽对成年个体发起了各种可容忍的互动行为，食物也经常被传递。所有这些互动行为在面对坚果（一种偏好的食物）时比面对颗粒饲料时更为频繁。成年卷尾猴对能打开坚果的幼崽和不能打开坚果的幼崽同样宽容。进食过程中的可容忍互动可能会使幼年卷尾猴获取饮食信息，或者得到重要的（即使是间歇性的）营养支持。
