Distribution of potential suitable hammers and transport of hammer tools and nuts by wild capuchin monkeys - Visalberghi, Elisabetta; Spagnoletti, Noemi; Silva, Eduardo Darvin Ramos da; Andrade, Fábio Ramos Dias de; Ottoni, Eduardo Benedicto; Izar, Patricia; Fragaszy, Dorothy (Primates, 2009)