Wild redfronted lemurs (Eulemur rufifrons) use social information to learn new foraging techniques
Animal Cognition (2012) - Comment
pubmed: 22426747  doi: 10.1007/s10071-012-0477-y  issn: 1435-9456  issn: 1435-9448 

Anna Viktoria Schnoell, Claudia Fichtel