We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleWhy some capuchin monkeys (Cebus apella) use probing tools (and others do not).AuthorsWestergaard, Gregory Charles; Lundquist, Andrew L.; Haynie, Michael Katherine; Kuhn, Heather E.; Suomi, Stephen J.PublicationJournal of Comparative Psychology, 1998, Vol 112, Issue 2, p207ISSN0735-7036Publication typearticleDOI10.1037/0735-7036.112.2.207