Juvenile capuchin monkey digging with a stone tool. Serra da Capivara National Park, Brazil.
Adult male capuchin monkey digging with a stone tool. Serra da Capivara National Park, Brazil.
Juvenile capuchin monkey banging a stone on stone. Serra da Capivara National Park, Brazil.
Juvenile capuchin monkey banging a stone on stone. Serra da Capivara National Park, Brazil.
Adult male capuchin monkey banging a stone on stone. Serra da Capivara National Park, Brazil.
Juvenile male capuchin monkey using a stick probe. Serra da Capivara National Park, Brazil.
Capuchin monkey cracking a palm nut with a hammer stone. Tietê Ecological Park, Brazil
Capuchin monkey cracking a palm nut with a hammer stone. Tietê Ecological Park, Brazil
Adult female capuchin monkey cracking a palm nut with a hammer stone. Fazenda Boa Vista, Brazil